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Chapter 2 - Connecting the 7700 Flash Storage Platform Hardware

40

7700 Flash Storage Platform Installation Guide 7.6.3.x

530-0267-00 Rev 02

Connecting Northbound Fibre Channel Ports

This section describes how to make northbound Fibre Channel connections by cabling the 7700
FSP Controllers to the client storage network switches. Figure 2.11 shows the required Fibre
Channel cable connections for configuring a northbound Fibre Channel data path.

Note:

The northbound switches must support N_Port ID Virtualization (NPIV) to accommodate

multiple Fibre Channel initiators occupying a single physical port.

1.

Connect Fibre Channel cables from the 7700 FSP Controllers to client network switches. 7700
FSP Controller ports are listed using a slot number-port number format (shown in Figure 2.11).

For example, a slot number-port number of 2-1 reference means slot 2-port 1. After making the
connections, verify that the link state is UP (as indicated by green LEDs being solidly lit).

Note:

Any northbound port that has a status as Offline may cause HA setup to fail. After HA

is enabled, an HA takeover event can occur when

all

northbound target ports fail.

Figure 2.11 Northbound Fibre Channel Configuration: 7700 FSP Controllers-Client Network Switches

Connecting Northbound iSCSI Cables

This section describes how to make northbound iSCSI connections by cabling the 7700 FSP
Controllers to the client storage network switches. Figure 2.12 shows the required iSCSI cable
connections for configuring a northbound iSCSI data path.

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Summary of Contents for 7700

Page 1: ...Document Number 530 0267 00 Rev 02 7700 Flash Storage Platform Installation Guide for Concerto Release 7 6 3 x ...

Page 2: ...logo are registered trademarks of Violin Systems LLC A complete list of Violin s trademarks and registered trademarks is available at www violinsystems com company trademarks All other brands product names company names trademarks and service marks are the properties of their respective owners Violin Systems LLC 2560 N 1st Street Suite 300 San Jose CA 95131 USA ...

Page 3: ...9 Understanding Port Numbering 29 Connecting Management Cables to 7700 FSP Controllers 30 Connecting Cables to the Shelf 31 Support for Controller to Controller Replication 32 Connecting 7700 FSP Cluster Storage Devices 33 Connecting 7700 FSP Cluster Southbound Cables 34 Connecting Northbound Fibre Channel Ports 40 Connecting Northbound iSCSI Cables 40 Powering on the 7700 FSP Devices 42 Powering ...

Page 4: ...t Steps 78 CHAPTER 5 Configuring Northbound Switches for Fibre Channel and iSCSI Operations 79 Configuring Northbound Switches 79 Configuring iSCSI 80 Configuring 7700 FSP Controllers for iSCSI 81 Configuring iSCSI Clients Targets and LUNs 83 Configuring FC Ports in the FC Switches 90 Configuring the 7700 FSP Controller Target and Initiator Ports 90 APPENDIX A System Reference 93 Configuring the 7...

Page 5: ...6 Configuring a Stretched Cluster 148 Identifying Northbound and Southbound Ports on 7700 FSP Controllers 149 Disabling Target Mode on the Southbound Ports 149 Inspecting the Discovered Devices 149 Renaming LUNs and Minimum Stretched Cluster LUN Requirements 149 Creating Local and Remote Storage Pools on Site A 150 Creating a Configuration Repository Mirror on Site A 151 Creating Local and Remote ...

Page 6: ...181 Lithium Battery Caution 182 Cabinet Safety Precautions 183 Disposal of Waste Equipment by Users in Private Households in the European Union 184 Perchlorate Material Special Handling May Apply 185 European Union RFI Statement 186 USA Radio Frequency Interference FCC Notice 187 Japan Radio Frequency Interference VCCI 188 Korea RFI Statement 189 Canada RFI Statement 190 CISPR 22 191 Australia C T...

Page 7: ...ed for experienced systems administrators Violin Systems assumes that you are experienced in installing and servicing high performance storage systems Contact Violin Systems Customer Support for any assistance with installing and servicing this system See Contacting Violin Systems on page 5 for contact information About This Guide This guide describes the hardware installation and first time syste...

Page 8: ...rovides a description of the key components of the 7700 FSP Controller and provides procedures for using iDRAC to inspect monitor and modify management settings and e mail alerts Appendix B Overview 7700 FSP Controller Provides a brief overview of the 7700 FSP Controller and contains tables and figures that describe the 7700 FSP Controller chassis front and rear panel components and the status LED...

Page 9: ...dware installation and first time setup of the 7000 Series FSP in various configurations Violin 6000 Series All Flash Array User s Guide This guide provides instructions for managing monitoring and maintaining an FSP or array using the Violin Web interface and Command Line Interface CLI Violin 6000 Series All Flash Array Service Guide This guide describes how to safely replace the system component...

Page 10: ... Service Guide or the Violin 7000 Series Flash Storage Platform Service Guide Contact Violin Systems Customer Support if a component within a 7700 FSP Controller or a Fibre Channel switch requires replacement Document Conventions This section explains the meanings of the safety icons used in this guide as well as the typological conventions Safety Icons The table below summarizes warning caution a...

Page 11: ...tems Customer Support please have the following information available Model and serial number of the system for which you are requesting support Software version A brief description of the problem Command Line Interface or web interface access to the affected system The output of the show alarms and vdiag diagnostic commands Format Meaning Bold User Interface text Italic Provides emphasis and iden...

Page 12: ...Preface 6 7700 Flash Storage Platform Installation Guide 7 6 3 x 530 0267 00 Rev 02 ...

Page 13: ...e Platform Terminology The table below introduces and describes the terminology used in the 7700 Flash Storage Platform Term Description 7700 Flash Storage Platform FSP The 7700 FSP modular storage cluster consists of two 7700 FSP Controllers one or more 7000 Series FSPs or 6000 Series storage shelves and two Brocade 6510 Fibre Channel FC switches or four Brocade 6510 FC switches in a stretched cl...

Page 14: ...es units can be configured as storage shelves in the modular 7700 FSP you can add or remove capacity at the storage shelf level Each 6000 Series unit is a single integrated storage device that runs vMOS 5 x or vMOS 6 x When 6000 Series are single standalone units and not connected to a 7700 FSP Controller they are known as storage arrays Simple SetUpTM Configuration Tool Simple SetUpTM Editor is a...

Page 15: ... modular storage clusters that are configured in multiple locations which allow one 7700 FSP Controller to fail over to a partner 7700 FSP Controller located at a remote site that can be located on a different floor in the same building or in a remote building located across town For details see Appendix F Configuring Stretched Cluster and Tiebreaker on page 145 Switch Brocade 6510 Fibre Channel s...

Page 16: ...ns from the 7700 FSP Only Fibre Channel is used for 7700 FSP southbound cluster connections Note The term southbound refers to cable connections made between the 7700 FSP Controllers the Brocade 6510 FC switches and any shelf configured in the 7700 FSP system The term northbound refers to cable connections made between the 7700 FSP Controllers and the network switches in the client network Figure ...

Page 17: ... Controllers 7700 FSP Controller A and 7700 FSP Controller B Brocade 6510 Fibre Channel FC switches FC Switch A and FC Switch B 6000 Series or 7000 Series FSP shelves Shelf 1 and Shelf 2 Memory Gateways MG MG A and MG B Array Controller Modules ACM ACM A and ACM B This guide uses the following abbreviation conventions in cable labels to refer to the following 7700 FSP cluster components Shelves ar...

Page 18: ...he Customer Requirements Documents from Violin Systems Violin Systems recommends using the Customer Requirements Documents to capture the customer network deployment site environment as the first step in the installation process leading to a successful installation You must complete this effort prior to the start of the actual installation Customer Requirement Documents serve as a series of inform...

Page 19: ...mphony Installation Requirements Checklist on page 16 Physical Cabling Information on page 19 6000 Series Checklist Information Ensure that you have read and completed all of the checklists listed in the Customer Requirements Document for Violin 6000 Series storage arrays and then address the following tasks Ensure that each network manageable shelf and subcomponents have unique suffixes that conf...

Page 20: ...Ps The callhome vmem com may not be reachable via TCP port 25 due to corporate firewall security restrictions TCP port 25 is a default and you may need to use another customer approved TCP port When setting up callhome and e mail alerts use these parameters ss customer mail relay host name or IP address and mf customer e mail address For details see Enabling Callhome and E mail Alert Settings on p...

Page 21: ...ocal direct SFP 10GbE cable connection or via a 10Gb Ethernet client network switch and each side of this connection must know the IP address for the rep0 port on the corresponding 7700 FSP Controller To properly set up management access ensure to log in to a 7700 FSP Controller and provide the required login credentials user name and password For details see Setting Up Management Access on page 5...

Page 22: ...o all of the Violin Systems devices 7700 FSP Controllers 7000 Series FSP and 6000 Series shelves and the FC switches that are under its management Symphony itself is either assigned an IP address static or DHCP or a host name during installation by the on site network or storage administrator Note The Health gadget in Symphony provides an at a glance view of system health for devices and device gr...

Page 23: ...onment Deploy Symphony VM using VMware vCenter Server 5 0 or later which is the recommended version vCenter Server 4 0 or later is also supported Symphony VM must be deployed on an ESX ESXi host using vCenter Server and meet the following requirements ESX ESXi version 4 1 or later 3 GB of RAM Minimum available disk space 60 GB for thick LUN configuration or 4 GB for a thin LUN configuration Violin...

Page 24: ...d air intake coming from the floor Serviceability use an additional 1RU rack unit separation that improves ease of access to FSPs during service and allows better access to system components from the top Accessibility maintain a minimum of three feet of clearance between the highest mounted FSP and the data center ceiling to promote a safer environment for accessing servicing or replacing FSPs Pow...

Page 25: ...n a 7700 FSP storage cluster depends upon the number of shelves that are deployed up to 10 and this table is per shelf Physical Cabling Information Minimum CAT5 CAT6 Cables with RJ 45 Connectors Note The required minimum number of CAT5 CAT6 cables with RJ 45 connectors for shelves in a 7700 FSP storage cluster depends upon the number of shelves that are deployed up to 10 and this table reflects a ...

Page 26: ...10GbE Table 1 8 lists the number of optical connections per 7700 FSP Controller and a total for a 7700 FSP storage cluster the listed optical cable values do not reflect a stretched cluster environment Note The WAN replication cables rep0 rep1 are optional and are only required if the replication feature is used Device Per 7700 FSP Controller Per Cluster 7700 FSP Controller 2 WAN replication rep0 ...

Page 27: ... 17 For more details see equipment racks in the latest version 7000 Series Flash Storage Platform Installation Guide Task 2 Install Symphony connect all storage network management network and power connections to the 7700 FSP components For details see Connecting Cables to the Fibre Channel Switches on page 28 Connecting Cables to the Fibre Channel Switches on page 28 Connecting 7700 FSP Cluster S...

Page 28: ...tretched Clusters on page 145 Configuring a Stretched Cluster on page 148 Installing and Configuring Tiebreaker on page 152 Modifying a Tiebreaker Configuration on page 160 Setting Up Tiebreaker Using the CLI on page 162 Note For more details see the latest version of Concerto 7700 FSP Stretch Cluster Implementation and Best Practices Guide Task 6 Configure the enabling and disabling of HA using C...

Page 29: ...onfiguring managing and monitoring all of the installed 7700 FSP storage cluster components Hardware installation and configuration involves completing the following tasks Rack mounting the Fibre Channel switches all of the storage shelves being deployed and the two 7700 FSP Controllers Connecting all network storage and power cables ensuring that all southbound cable connections have been complet...

Page 30: ...d site information that you will need for each of the devices For details about rack spacing required for the hardware see Minimum Rack Space on page 17 Device Type Document Provides this information Violin Symphony Symphony Violin Symphony Installation Guide Installing and getting started with using Symphony Note For an overview see APPENDIX E on page 143 in this guide Fibre Channel Switch Brocad...

Page 31: ...ribes where you connect the storage network interface cables from a supported shelf to a storage area network SAN using Fibre Channel cabling Connecting 7700 FSP Cluster Storage Devices on page 33 describes where you connect the northbound southbound and power cables between the 7700 Flash Storage Platform devices Fibre Channel switches 7000 Series FSPs 6000 Series storage shelves and 7700 FSP Con...

Page 32: ...or port ID 105 slot port 4 1 9 Slot 5 16Gb FC southbound Fibre Channel Initiator port ID 100 slot port 5 0 10 Slot 4 16Gb FC southbound Fibre Channel Initiator port ID 101 slot port 5 1 11 Storage Cluster Interlink SCI port 10 Gb Ethernet sci0 12 SCI 10 Gb Ethernet port sci1 13 Ethernet Management port 10Gb Ethernet eth0 14 Ethernet Management port 10Gb Ethernet eth1 15 Slot 6 empty 16 Slot 7 16Gb...

Page 33: ...05 slot port 4 1 9 Slot 5 16Gb FC southbound Fibre Channel Initiator port ID 100 slot port 5 0 10 Slot 4 16Gb FC southbound Fibre Channel Initiator port ID 101 slot port 5 1 11 Storage Cluster Interlink SCI port 10 Gb Ethernet sci0 12 SCI 10 Gb Ethernet port sci1 13 Ethernet Management port 10Gb Ethernet eth0 14 Ethernet Management port 10Gb Ethernet eth1 15 Slot 6 empty 16 Slot 7 10Gb northbound ...

Page 34: ...of a 7700 FSP storage cluster configured and cabled with two 7700 FSP Controllers two storage shelves and two Brocade 6510 switches Figure 2 10 provides an example of southbound port locations on the 7700 FSP Controllers Fibre Channel and iSCSI for the Brocade 6510 switches and southbound port locations on the Brocade 6510 switches for the 7700 FSP Controllers and the 7000 Series 6000 Series shelv...

Page 35: ...Gateway supports two network interface modules each of which support the four 16 Gbps Fibre Channel ports that auto negotiate down to 4 Gbps The dual 16 Gbps ports on the Fibre Channel HBA are SFP with LC style connectors Memory Gateways can use up to four ports of 16 Gbps FC to connect to other devices Understanding Port Numbering When connecting interface cables in a SAN attached configuration r...

Page 36: ...work management cables to the 7700 FSP Controller complete the following tasks 1 Connect one network management cable Ethernet RJ 45 to the IPMI iDRAC port 2 Connect one network management cable Ethernet RJ 45 to the Eth0 port this is port 3 in center of rear panel 3 Connect management cables 10GbE LC between the SCI ports port 1 and 2 on the two 7700 FSP Controllers in the 7700 FSP storage cluste...

Page 37: ... see Figure 2 4 for FC port numbers and locations The 7000 Series FSP and 6000 Series array both use the same OM3 optical cable type 1 Connect four cables from the upper row of ports on the interface cards MG A and MG B to one Brocade switch 2 Connect the four cables from the lower row of ports on the interface cards MG A and MG B to the second Brocade switch as shown in Figure 2 9 For more inform...

Page 38: ...using 10GbE SFP cables Note You must know the IP address for the respective replication port on both 7700 FSP Controllers to properly connect and configure replication operations Replication policies are configured and performed using Symphony Note If you are enabling HA across the controller to controller replication you must establish connections to both 7700 FSP Controllers in each HA pair Each...

Page 39: ... policies Symphony Help describes a variety of replication related procedures that include how to edit or delete a replication policy manually start or stop a replication process and export replication data For more details on managing replication operations see the topic on replication in the latest version Symphony Help Connecting 7700 FSP Cluster Storage Devices This section describes how to ma...

Page 40: ...orm system that is comprised of two 7700 FSP Controllers two FC switches and two shelves 1 Apply the supplied cable labels to the fibre optic cables 2 Connect each storage shelf to both FC switches using the labeled cables Refer to Table 2 5 and connect the ports on Shelf 1 to FC switch A and FC switch B Table 2 5 and Figure 2 4 provide all the FC port references for MG A and MG B for each shelf L...

Page 41: ...respective cable ends with a port for example in SW A 0 CT A 5 0 the cable connects port 0 on Fibre Channel switch A and port 5 0 on 7700 FSP Controller A FC Switch A B and Ports 7700 FSP Controller Shelf Ports Fibre Optic Cable Labels FC Switch A and B Ports 7700 FSP Controller A End to End Label SW A 0 CT A 5 0 SW A 0 CT A 5 0 SW A 1 CT A 4 0 SW A 1 CT A 4 0 SW B 0 CT A 5 1 SW B 0 CT A 5 1 SW B ...

Page 42: ... SW A 13 SH 3 A 102 SW A 14 SH 3 B 100 SW B 14 SH 3 B 100 SW A 15 SH 3 B 102 SW B 15 SH 3 B 102 FC Switch B Shelf 3 MG A and MG B End to End Label SW B 12 SH 3 A 101 SW B 12 SH 3 A 101 SW B 13 SH 3 A 103 SW B 13 SH 3 A 103 SW B 14 SH 3 B 101 SW B 14 SH 3 B 101 SW B 15 SH 3 B 103 SW B 15 SH 3 B 103 FC Switch A Shelf 4 MG A and MG B End to End Label SW A 16 SH 4 A 100 SW A 16 SH 4 A 100 SW A 17 SH 4...

Page 43: ... 25 SH 6 A 102 SW A 26 SH 6 B 100 SW B 26 SH 6 B 100 SW A 27 SH 6 B 102 SW B 27 SH 6 B 102 FC Switch B Shelf 6 MG A and MG B End to End Label SW B 24 SH 6 A 101 SW B 24 SH 6 A 101 SW B 25 SH 6 A 103 SW B 25 SH 6 A 103 SW B 26 SH 6 B 101 SW B 26 SH 6 B 101 SW B 27 SH 6 B 103 SW B 27 SH 6 B 103 FC Switch A Shelf 7 MG A and MG B End to End Label SW A 28 SH 7 A 100 SW A 28 SH 7 A 100 SW A 29 SH 7 A 10...

Page 44: ... 37 SH 9 A 102 SW A 38 SH 9 B 100 SW B 38 SH 9 B 100 SW A 39 SH 9 B 102 SW B 39 SH 9 B 102 FC Switch B Shelf 9 MG A and MG B End to End Label SW B 36 SH 9 A 101 SW B 36 SH 9 A 101 SW B 37 SH 9 A 103 SW B 37 SH 9 A 103 SW B 38 SH 9 B 101 SW B 38 SH 9 B 101 SW B 39 SH 9 B 103 SW B 39 SH 9 B 103 FC Switch A Shelf 10 MG A and MG B End to End Label SW A 40 SH 10 A 100 SW A 40 SH 10 A 100 SW A 41 SH 10 ...

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Page 46: ...rollers to client network switches 7700 FSP Controller ports are listed using a slot number port number format shown in Figure 2 11 For example a slot number port number of 2 1 reference means slot 2 port 1 After making the connections verify that the link state is UP as indicated by green LEDs being solidly lit Note Any northbound port that has a status as Offline may cause HA setup to fail After...

Page 47: ...cables from the 7700 FSP Controllers to client network switches 7700 FSP Controller ports are listed using a slot number port number format shown in Figure 2 12 For example a slot number port number of 2 0 reference means slot 2 port 0 After making the connections verify that the link state is UP indicated by green LEDs being lit Note Any northbound port that has a status as Offline may cause HA s...

Page 48: ...ratings For complete system specifications see the system specifications in the latest version 7000 Series Flash Storage Platform Installation Guide or Violin 6000 Series All Flash Array User s Guide The 7700 FSP storage shelves have a pair of redundant AC power supplies installed prior to shipping Connect each of the AC power supplies to a separate Power Distribution Unit PDU when possible For sp...

Page 49: ...you must first connect a VGA monitor and a USB keyboard and mouse before you apply power to the 7700 FSP Controllers After the 7700 FSP Controllers boot up use this local console access to complete the Violin Quick Start and configure management and iDRAC IPMI network interfaces Two power cables are shipped with each 7700 FSP Controller one for each of the power supplies in the chassis Two additio...

Page 50: ...ember when powering down and powering up 7700 FSP system components is that the Brocade 6510 Fibre Channel switches should be the last of the devices powered down and the first to be powered on and that the 7700 FSP Controllers should be the first devices powered off and the last to be powered on Required 7700 FSP Power Down Sequence This section provides the required procedural sequence to perfor...

Page 51: ... down and then remove power from both Power Supply Units PSUs on the array Note When shut down all HBA and Ethernet port LEDs will be unlit on the 6000 Series array 9 Repeat this procedure for each installed 7000 Series FSP and 6000 Series array in the 7700 FSP storage cluster system Note You can perform a shutdown of all the installed 6000 Series arrays and 7000 Series FSPs in parallel 10 Remove ...

Page 52: ...mory Gateways return a normal HA status FailOverStatus 1 UP after issuing the following command Note If a Memory Gateway or 7700 FSP Controller does not return to FailOverStatus 1 UP after reboot issue the following command sms setFOState 1 5 Once all the installed 7000 Series FSPs and 6000 Series arrays have booted up log in to Symphony and confirm the status of each 7700 FSP shelf For details on...

Page 53: ...rmal HA status FailOverStatus 1 UP after issuing the following command 10 After the failover state on both 7700 FSP Controllers shows as FailOverStatus 1 UP the 7700 FSP storage cluster system is ready for use 11 Verify that the 7700 FSP Controllers can access each other by using the ping and sms v commands and the respective IP addresses for each controller Note Ensure that you enable HA on each ...

Page 54: ...Chapter 2 Connecting the 7700 Flash Storage Platform Hardware 48 7700 Flash Storage Platform Installation Guide 7 6 3 x 530 0267 00 Rev 02 ...

Page 55: ...on Checklists and Site Information on page 13 7700 FSP devices are properly rack installed secured and grounded Cable connections have been made between all 7700 FSP devices 7700 FSP devices have been powered on Port link state LEDs indicate that links are UP solid green on all devices Note If any LED is amber resolve the problem immediately before continuing with the configuration Any configurati...

Page 56: ...roller on page 56 Task 5 Configuring Brocade 6510 Fibre Channel Switches on page 67 Task 6 Enabling Dedup on page 110 Device Task Description 6000 Series shelf Configuring using a Configuration Wizard and CLI commands Array Controller Modules ACMs Memory Gateways MGs 7000 Series FSP shelf Configuring using one of two methods Simple SetUp configuration process Manual configuration manually running ...

Page 57: ...ump start CLI commands and initial_config exp script file and before completing any additional component or cluster configuration Concerto OS supports an RPM upgrade process for both the 7700 FSP Controllers and the 7000 Series FSP storage shelves After configuration completes perform ongoing updates without any I O disruption For specific details and upgrade instructions see the latest version 77...

Page 58: ...iguration tasks including creating the initial storage pools For specific details about each of these two methods see the latest version Violin 7000 Series Flash Storage Platform Installation Guide Note Before you set up or allocate space for any storage pool and specifically before setting up a dedup storage pool the recommendation is to plan for the most efficient use of your storage pools For d...

Page 59: ... FSPs in an Enterprise data center Symphony automatically lists any newly configured array with a Pending Activation Connection Status in the Devices window For details on checking for a newly configured array in Symphony and to activate this new array see the topic on enabling devices with a Pending Activation status in the latest version Symphony Help Adding Stretched Cluster Devices Symphony He...

Page 60: ...mory Gateways are as follows Note When deduplication dedup is enabled and configured on the 7000 Series FSP ensure that you observe and apply the important storage pool recommendations in this list A storage pool must be created prior to creating LUNs For a standard 7000 Series FSP deployment it is recommended that you create a single storage pool on MG A with MG B acting as the failover controlle...

Page 61: ...ication LUN could be grouped together into a separate storage pool to create a dedup storage pool at the 7700 FSP Controller level Dedup LUNs are not supported at the 7700 FSP Controller level and must be provisioned at the shelf level Thick A thick LUN could be grouped together into a separate storage pool to create a thick storage pool at the 7700 FSP Controller level Thin A thin LUN could be gr...

Page 62: ...7700 FSP shelves in a local network For details see the topic on SAN clients in the latest version Symphony Help SAN clients are devices that you attach to a 7700 FSP shelves and you must create logical resources to be used by these clients Symphony lets you add edit delete assign and unassign SAN clients For details see the following procedures in the latest version Symphony Help that describe ho...

Page 63: ...ent IP and IPMI IP addresses perform the following 1 Connect a VGA monitor and USB keyboard to the front or rear panel VGA and USB ports 2 Power on to boot the 7700 FSP Controller 3 Allow the POST and the Concerto OS system boot to complete 4 Using the Appliance Set Up Complete screen in the Quick Start configuration utility set all the necessary values for the 7700 FSP Controller time zone IPMI a...

Page 64: ... settings for the IPMI iDRAC 192 168 0 120 and reset this IP address to your desired IP address either as a static or as a DHCP client and record this new IP address Factory default values for IPMI iDRAC IP Address 192 168 0 120 Subnet Mask 255 255 255 0 and Gateway 192 168 0 2 6 Press Esc to exit the navigation 7 Accept the new settings and allow the 7700 FSP Controller to reboot The 7700 FSP Con...

Page 65: ...and approval requests 15 When the Using the Appliance Set Up Complete screen in the Quick Start configuration utility displays set all of the necessary values to complete Quick Start For details see Configuring 7700 FSP Controller Management Access on page 60 16 After the Quick Start utility completes and the 7700 FSP Controller reboots access the 7700 FSP Controller using SSH connections and Symp...

Page 66: ...the 7700 FSP Controller 7700 FSP Controller A do the following 1 Connect RJ 45 cables from Eth0 see Figure 2 5 and iPMI to the management network 2 On the Appliance Set Up Complete screen at the VGA or Virtual Console type yes and press Enter to begin the configuration process If you type no and press Enter the 7700 FSP Controller will shut down Modify the default initial configuration after the n...

Page 67: ... steps to configure it to match the 7700 FSP Controller A settings This completes the initial configuration of the 7700 FSP system Once you have configured both 7700 FSP Controller A and 7700 FSP Controller B perform the following Test and verify that you have connectivity using the iDRAC interfaces to both the 7700 FSP Controllers If you can successfully connect to both 7700 FSP Controllers then ...

Page 68: ...assword requires the 7700 FSP Controller to be rebooted 3 Select This iDRAC for the Domain and click Submit The iDRAC System Summary screen confirms you have a valid connection Using the CLI to Set Hostname DNS NTP and Domain Values Set up a terminal session using a SSH program to connect to each of the 7700 FSP Controllers in your 7700 FSP storage data cluster and set the following values on each...

Page 69: ...00 FSP Controllers to Symphony Testing SCI Setup on 7700 FSP Controllers Using CLI Com mands Set up a terminal session using PuTTY or a similar SSH program to connect to each of the 7700 FSP Controllers and set the Storage Cluster Interlink sci0 and sci1 Network Interface Card NIC values when prompted Note Ensure that you have physically connected 10GbE LC management cables between the SCI ports s...

Page 70: ...the 7700 FSP Controller 8 Issue the setnic sci0 CLI command to set the sci0 NIC values 9 Issue the setnic sci1 CLI command to set the sci1 NIC values 10 Issue the following finalize CLI command 11 Issue the following restart CLI command 12 Issue the following start update CLI command to update Concerto Set up for both 7700 FSP Controllers has now been completed controller networkconfig sh setnic s...

Page 71: ...sitory CR Create and Enable a CR for each 7700 FSP Controller Configure and Enable HA on each 7700 FSP Controller Creating SAN Clients and CRs Before creating SAN clients and Configuration Repositories verify you have completed the following prerequisites All storage shelves have been zoned and recognized by the 7700 FSP Controllers All storage shelves have been installed configured and managed by...

Page 72: ...dure described in the Rescanning Physical Devices topic in Symphony Help 5 In Symphony prepare one of the 11GB LUNs for each 7700 FSP Controller by editing the physical device to be Virtualized and update it in the Edit Physical Device window as described in the Editing a Device topic in Symphony Help Note Record the SCSI Address in A C S L format listed in the Edit Physical Device window for each...

Page 73: ...r a 7700 FSP storage cluster Note The secondary 7700 FSP Controller is the partner node in a failover configuration that takes over if a failure occurs By default mutual failover is configured between the primary and secondary 7700 FSP Controllers Enter the Primary Monitor IP Address and Secondary Monitor IP Address also known as heartbeat in the appropriate fields for the respective 7700 FSP Cont...

Page 74: ...ther locally or somewhere else in the storage cluster This capability helps prevent damage from failures or disasters in one array in which you provide the ability to recover without a loss of data For more details about replication see the latest version 7000 Series Flash Storage Platform User s Guide and see Support for Controller to Controller Replication on page 32 and Configuring Network Inte...

Page 75: ...rocade Fibre Channel switches and the 7000 Series FSPs or 6000 Series arrays have been properly installed in your storage network All 7700 FSP devices are powered up and all cable connections have been properly made to the corresponding ports using the supplied cabling and cable labels When you have met these prerequisites the shelf and the 7700 FSP Controllers are able to communicate through the ...

Page 76: ...nnected to two southbound Fibre Channel switches Two Fibre Channel switches connected to a single shelf Note In Figure 4 1 rear panel slots 2 and 7 are used for northbound data connections The ports associated with these slots 2 0 2 1 7 0 and 7 1 are either 16Gb Fibre Channel or 10Gb Ethernet ports WWPN zones on the Fibre Channel switches will allow all 7700 FSP Controller Initiator ports to acces...

Page 77: ... for zone alias and configuration names they cannot begin with bfa_ red_ lsan_red_ or d__efault__ In addition zone configuration names cannot begin with r_e_d_i_r_c__fg because these are reserved prefixes Zoning Naming Conventions A zone is a way to assign a name that identifies a partitioning of a Fibre Channel fabric into smaller subsets to add security and simplify management Zoning most common...

Page 78: ... HBA ports are properly configured on your 7700 FSP Controllers for more details see the topic on setting downstream HBAs in the latest version Symphony Help To confirm southbound HBA and port information for a 7700 FSP Controller do the following 1 Select Manage Devices 2 In the left navigation panel under Manage Devices click the 7700 FSP Controller you want to view click the HBAs tab in the mai...

Page 79: ...et or initiator for the cluster for 7700 FSP Controller A and B and for every 7000 Series FSP or 6000 Series MG A and MG B zonecreate command creates a one to many zone for each initiator for every target cfgcreate command creates the zone configuration cfgadd command adds the Fibre Channel zones to the configuration 3 Optional Type a unique name for the Fibre Channel zone configuration in the Zon...

Page 80: ...by issuing the following commands FC7700 switch a root cfgenable sample_zoning_cfg You are about to enable a new zoning configuration This action will replace the old zoning configuration with the current configuration selected If the update includes changes to one or more traffic isolation zones the update may result in localized disruption to traffic on ports associated with the traffic isolatio...

Page 81: ...eplacement FC switch to support your 7700 FSP system This copy process will not move or copy port or Inter Link Switch ISL licensing from one switch to another Prerequisites This section is intended as reference information and is not intended to serve or replace a service guide Anyone attempting to perform an FRU procedure on a FC switch and copy an existing zone configuration into the replacemen...

Page 82: ...tp sftp Server Name or IP Address host 10 18 18 24 User Name user jdoe File Name home dir config txt Section all chassis switch all Password configUpload complete All config parameters are uploaded FC7700 switch a root switchdisable FC7700 switch a root cfgdisable You are about to disable zoning configuration This action will disable any previous zoning configuration Do you want to disable zoning ...

Page 83: ...e configuration information FC7700 switch b root configdownload cfgtranshow and cfgtransabort FC7700 switch b root reboot Warning This command would cause the switch to reboot and result in traffic disruption Are you sure you want to reboot the switch y n y The system is going down for a reboot NOW FC7700 switch b root cfgenable sample_zoning_cfg You are about to enable a new zoning configuration ...

Page 84: ...free storage space on each shelf and make it available to the 7700 FSP Controllers This may involve moving all physical devices from southbound shelves to storage pools on the 7700 FSP Controllers and preparing them for discovery and use by the northbound hosts Note In general a single storage pool is created on MG A with all of the physical device on each of the storage shelves in the 7700 FSP st...

Page 85: ...s LEDs and port links should be solid green If otherwise or if any LED is amber solve the problem before continuing Configuring Northbound Switches This section covers the process for configuring the Fibre Channel switches on the client network Violin recommends that you use best practices to eliminate vulnerability to single points of failure and to distribute Fibre Channel and iSCSI connections ...

Page 86: ...rget ports must be configured manually For details see Configuring iSCSI on page 80 and the latest version Symphony Help You can verify ports using Symphony see Confirming Southbound HBA Information on page 72 3 Confirm that all northbound cable connections have been properly patched and that the link state is UP 4 Create zones in client FC switches or VLANs in client iSCSI network to allow every ...

Page 87: ... Set up a terminal session using PuTTY or a similar SSH program to connect to each of the 7700 FSP Controllers in your 7700 FSP storage data cluster 1 Log in to 7700 FSP Controller A using its IP address and issue the following CLI command to initialize 7700 FSP Controller A 2 Issue the setnic isc0 CLI command to set the iSCSI VLAN A isc0 interface values on 7700 FSP Controller A This command sets...

Page 88: ...VLAN IP addresses for VLAN B VLAN C and VLAN D incrementing accordingly 11 Issue the setnic isc1 CLI command to set the iSCSI VLAN B isc1 interface values on 7700 FSP Controller B 12 Issue the setnic isc2 CLI command to set the iSCSI VLAN C isc2 interface values on 7700 FSP Controller B 13 Issue the setnic isc3 CLI command to set the iSCSI VLAN D isc3 interface values on 7700 FSP Controller B cont...

Page 89: ...iSCSI Clients Targets and LUNs This section provides examples and references to Violin Systems documentation for CLI commands and Symphony procedures that are needed to enable iSCSI support configure iSCSI clients create an iSCSI target and assign LUNs to an iSCSI target iSCSI services are enabled in Confirming iSCSI Support on page 83 Confirming iSCSI Support Confirm that iSCSI support is enabled...

Page 90: ...and sequentially by each Memory Gateway and client IDs for deleted clients are not re used The iSCSI client command options include the following parameters showing the respective settings from the previous CLI example s Memory Gateway name or ID san array3003 mgb c Unique iSCSI client name 7700 FSP Controller cont ib1 cn6 t iSCSI target ISCSI d Client management IP address not an iSCSI data IP ad...

Page 91: ...l commands for inspecting and collecting client iSCSI user and Mutual CHAP user information getclientlist collects a list of client names getclientproper c clientname shows the properties and attributes for a specific user getclientvdevlist c clientname t iscsi T l a collects a list of targets and LUNs assigned to a specific user getisciusers collects a list of iSCSI users getmutualchapusers colle...

Page 92: ...ient Names and Commands on page 84 Enabling CHAP Authentication on an Existing Client To enable CHAP authentication on an existing iSCSI client that was added without authentication issue the isscli addclient CLI command as shown If CHAP authentication is enabled on the 7700 FSP Controller when you add the iSCSI client you need to make sure that the CHAP Settings in the iscsid conf file in etc isc...

Page 93: ...y the initiator uncomment the following lines node session auth username_in username node session auth password_in password To enable CHAP authentication for a discovery session to the target set discovery sendtargets auth authmethod to CHAP The default is None discovery sendtargets auth authmethod CHAP To set a discovery session CHAP username and password for the initiator authentication by the t...

Page 94: ...issue the following command Note If for any reason the name of the target displayed on the client side is not the same you need to issue the iscsiadm command to delete the old target node and re discover the latest target node created on the 7700 FSP Controller root san array3003 mgb san array3003 mgb isscli createiscsitarget c lab ib1 cn6 I 192 168 10 106 192 168 20 106 a N New ISCSI Target ID 15...

Page 95: ...lab ib1 cn6 0 p 192 168 20 106 root lab ib1 cn6 iscsiadm m node iscsiadm No records found root lab ib1 cn6 iscsiadm m discovery t st p 192 168 10 106 192 168 10 106 3260 0 iqn 2004 02 com vmem concerto san array3003 mgb lab ib1 cn6 15 192 168 20 106 3260 0 iqn 2004 02 com vmem concerto san array3003 mgb lab ib1 cn6 15 root lab ib1 cn6 iscsiadm m node l Logging in to iface default target iqn 2004 0...

Page 96: ...re Channel ports are set to Dual mode Note Each interface in an HA pair must be assigned a unique IP address for failover to work correctly and these IP addresses are not in use for connectivity Configuring the 7700 FSP Controller Target and Initiator Ports For Fibre Channel failover select the initiator on the secondary 7700 FSP Controller that will function as a standby for every target port on ...

Page 97: ...sc2 isc3 Port isc2 connects to Port 4 on client FC A switch Port isc3 connects to Port 4 on client FC B switch 7700 FSP Controller A HBA Slot 7 Ports isc1 isc0 Port isc1 connects to Port 2 on client FC A switch Port isc0 connects to Port 2 on client FC B switch 7700 FSP Controller B HBA Slot 2 Ports isc2 isc3 Port isc2 connects to Port 8 on client FC A switch Port isc3 connects to Port 8 on client...

Page 98: ...Chapter 5 Configuring Northbound Switches for Fibre Channel and iSCSI Operations 92 7700 Flash Storage Platform Installation Guide 7 6 3 x 530 0267 00 Rev 02 ...

Page 99: ...s FSP shelf Note Manual configuration is not required if you configured the Memory Gateways using either the Simple SetUp configuration tool or the Configuration Wizard method which includes using the initial_config exp script file Troubleshooting procedures and tips for resolving issues with Configuring or accessing Memory Gateways for example determining the IP addresses of internal Memory Gatew...

Page 100: ...onfiguration process 1 Log in to the Master ACM 2 Issue the following commands from the Master ACM to reboot both Memory Gateways Configuring the Network on the Memory Gateways IMPORTANT After the Memory Gateways are powered on issue the following commands to eliminate IP conflicts between the Memory Gateways on eth1 The eth1 IP address on Memory Gateway A and on Memory Gateway B are set to the sa...

Page 101: ...at you log in to a 7700 FSP Controller and specify its host name or IP address controller_hostname_or_IP_address instead of logging in to a Memory Gateway and specifying a host name or IP address mg_hostname_or_IP_address Issue the isscli enablecallhome command on both Memory Gateways or 7700 FSP Controllers to enable callhome and e mail alerts and the following example illustrates this command fo...

Page 102: ...me option Enable E mail Alerts option To set up e mail alerts specify the configuration of the SMTP server as well as alert e mail configurations isscli enablecallhome smtp server smtp server smtp port smtp port smtp username smtp username smtp password smtp password email from email from email to email to email subject email subject alert interval alert interval alert level alert level rpc timeou...

Page 103: ...gging on the Memory Gateways This feature is disabled by default mf email from mt email to and ms email subject which represent from to and subject fields of the alert email respectively ai alert interval is an required parameter which specifies the interval for alert email to be received It has following format DD HH MM meaning the interval unit of Day Hour Minute al alert level is an option to f...

Page 104: ...he ACM 3 Issue the following command to show the current total allocated and total available space on the 7000 Series FSP The total space shown will be different after creating the storage pools done later in this process 4 Issue the media_init sh command to begin initialization and to set up the partitions on the 7000 Series FSP 5 Before initializing the partitions you are prompted to respond wit...

Page 105: ...ize 22177GB per mg ndisks 40 pds 2147483648 dataSize 86629070848 left 729724928 Data partition 0GB 1099GB sbin parted s dev vtmsa mkpart DATA_0 2048s 2147485695s a opt Data partition DATA_0 successfully created Data partition 1099GB 2199GB sbin parted s dev vtmsa mkpart DATA_0 2048s 2147485695s a opt Data partition DATA_1 successfully created Data partition 2199GB 3298GB sbin parted s dev vtmsa mk...

Page 106: ...e already exists usr local concerto etc hostname mg x ipstor conf Overwrite y n Y root hostname MG B concerto stop all Violin Concerto Server version 7 6 3 1 Build 9271 Copyright c 2017 2018 Violin Systems LLC All Rights Reserved All virtual devices are going to be detached We recommend stopping all Concerto client services prior to shutdown Otherwise data loss may occur Are you sure you want to c...

Page 107: ...o be created on a Memory Gateway 1 Using its IP address connect directly to Memory Gateway A 2 Log in to Memory Gateway A User name root Password password 3 Once logged in type the concerto status command to verify that the Memory Gateway is up and running and that all modules show a status of RUNNING 4 Type the following command to display all of the storage devices created on the 7000 Series FSP...

Page 108: ...eway B 98 0 5 2 They will be configured later to store gateway configuration Note that the storage assigned to Memory Gateway A will be available for use as dedup LUNs If you need more dedup capability then assign more storage to Memory Gateway A If you are not using dedup you may want to assign a balance of storage between the two Memory Gateways You do not need to assign all the storage at this ...

Page 109: ... Log in to Memory Gateway B User name root Password password 9 Repeat steps 3 6 to allocate the devices on Memory Gateway B Make sure that you use the available ACSL values for Memory Gateway B those not already assigned to Memory Gateway A and not the two smaller devices that will be used for gateway configuration 10 Issue the getpdevinfo command once again to review the status of the physical de...

Page 110: ...llowing command to find the two smallest unassigned physical devices 2 Use the following command to prepare one of these devices for Memory Gateway A Where 98 0 4 2 is the ACSL value for one of the two smaller configuration devices 3 Repeat step 2 using the second device for Memory Gateway B and mgb server name for the server name Use the other device reserved for the configuration repositories 4 ...

Page 111: ...owing command on both Memory Gateways to inspect the storage pools as shown root hostname MG A isscli enableconfigurationrepository scsiaddress 98 0 4 2 New Virtual Device ID 2 Device Name ACSL First Sector Last Sector Size MB Header BKSC OTHDISK MFCN2A 98 0 4 2 14336 20479 3 Yes BKSC OTHDISK MFCN2A 98 0 4 2 20480 20991999 10240 No Command enableconfigurationrepository executed successfully root h...

Page 112: ...ry Gateway and it is important that no devices should be unassigned IMPORTANT Complete the following steps on both Memory Gateways 1 Issue the following command to inspect the devices and view each device s Category Device Name BKSC OTHDISK MFCN06 001 ACSL 98 0 3 1 red Total Sectors 2147469312 Sector Size 512 Size 1048568MB Category Virtual Device Owner hostname mg a Guid 5c90e836 7b24 7ee7 2afe 0...

Page 113: ... Reserved by Virtual Device BKSC OTHDISK MFCN1A 001 98 0 2 1 2147469312 Reserved by Virtual Device BKSC OTHDISK MFCN28 002 98 0 2 2 2147469312 Reserved by Virtual Device BKSC OTHDISK MFCN0C 000 98 0 3 0 2147469312 Reserved by Virtual Device BKSC OTHDISK MFCN1B 001 98 0 3 1 2147469312 Reserved by Virtual Device BKSC OTHDISK MFCN29 002 98 0 3 2 729708544 Reserved by Virtual Device BKSC OTHDISK MFCN0...

Page 114: ...lowing command to open the HA Preconfiguration Editor Completing the HA Configuration File Edit the file as shown in the following output steps You will be configuring HA between both Memory Gateways starting with Memory Gateway A Bold text indicates that a response must be submitted The Courier italic format identifies information for which you must supply a value Press Enter to choose a default ...

Page 115: ...to eth0 and to verify this use the ipconfig command 10 Enter another Virtual and Heartbeat IP address pair y n n 11 Enter the primary server s quorum drive selection any A C S L any mg a configuration device for example 98 0 4 2 This is the ACSL value used for the configuration device for Memory Gateway A 12 Enter the primary server s quorum mirror drive selection any A C S L none none 13 Enter th...

Page 116: ...n of configuration conflicts X precedes the remote procedure call timeout value in seconds 3 Ignore any messages stating Can t open lock file and wait for the command to be executed successfully Enabling Dedup At least one 7000 Series FSP shelf is required in your 7700 FSP cluster to support the deduplication and compression dedup feature The 7000 Series FSP must have one storage pool with dedup e...

Page 117: ...and Best Practices Guide Note Dedup LUNs are limited to being created only in Storage Pool A Use Storage Pool B or other storage pools you create for creating thick and thin LUNs To set up the storage pool to be allocated for dedup use 1 While logged in to Memory Gateway A issue the getstoragepools command to list the storage pools that you created 2 From this list choose the storage pool to be us...

Page 118: ...Addresses of Internal Memory Gateways Both Unknown on page 114 Error Messages When Logging in to Memory Gateways on page 115 root hostname MG A isscli enablededuplication sp 1 Max memory provisioned for RDE 163840MB Total storage pool size 4194276MB Available storage pool size 4194276MB Using Default Arguments Number of Data Disks 2 Data Disk Size 16384GB Index Disk Size 560GB Folder Disk Size 1GB...

Page 119: ...wly discovered IP address using the following commands Note Pressing the Tab key after the first command auto completes the command with any existing IP address assigned to that host If none is present the first command is unnecessary 5 Verify the host definition by pinging the Memory Gateway directly using its hostname 6 If the Memory Gateway responds properly save the host settings using the wri...

Page 120: ...o that host If none is present the first command is unnecessary 6 Verify the host definition by pinging mg a directly using its hostname 7 Power on mg b as follows 8 Wait 5 minutes for mg b to boot up completely Once booted repeat steps 2 5 above to determine the IP address of mg b In this case when looking at the output of the ping command mg b s address will be the address that is not 169 254 1 ...

Page 121: ...ON HAS CHANGED The following steps allow you to log in to the Memory Gateways from either ACM 1 Log in to the ACM Master 2 Type the following at the command prompt to access the CLI s configuration mode 3 Type the following commands violin acma violin master enable violin acma violin master configure terminal config ssh client user admin known host mg a remove config ssh client user admin known ho...

Page 122: ...Appendix A System Reference 116 7700 Series Flash Storage Platform Installation Guide 7 6 3 x 530 0267 00 Rev 02 ...

Page 123: ...7700 FSP Controller Components on page 118 Table B 1 on page 118 which describes the 7700 FSP Controller front panel components Table B 2 on page 119 which describes the 7700 rear panel components Table B 3 on page 120 which describes the 7700 FSP Controller status LEDs CLI based procedures that describe how to use iDRAC with the 7700 FSP Controller For details see Monitoring 7700 FSP Controllers ...

Page 124: ...fy it in a heavily populated equipment rack the LCD panel keeps flashing until the System ID button is pressed again 3 VGA Video Connector Front panel VGA port lets you connect a VGA monitor to the 7700 FSP Controller for use as a local console 4 LCD Menu Buttons Controls the cursor on the LCD panel The button moves the cursor left The button selects the highlighted menu item The button or console...

Page 125: ...are connected to another 7700 FSP Controller to allow for mirroring of snapshot metadata between failover pairs 6 10 100 1000 Ethernet Ports Two 10 100 1000 Mb Ethernet ports ETH0 and ETH1 The ETH0 port is used for device management 7 Power Supplies Two redundant hot swappable power supplies 750 W 8 Replication Ports Two 10GbE ports rep0 and rep1 for 7700 FSP replication 9 Storage Interface Ports ...

Page 126: ...C add each 7700 FSP Controller s iDRAC to your management infrastructure Note Do not upgrade iDRAC the System BIOS or system firmware used on the 7700 FSP Controllers without first consulting Violin Support Log in to the iDRAC Virtual Console on each 7700 FSP Controller to inspect current status and or modify management or monitoring settings by using the default login credentials set by Violin Sy...

Page 127: ...important panes that display current status are Server Health Server Information and Recent Logged Events The left navigation pane provides an Overview menu with Server iDRAC Settings Hardware and Storage options The Server Health pane displays the current status of key system categories A normal running state is indicated by green check boxes Click the link associated with each health category fo...

Page 128: ...isplay individual pages that provide current status on Batteries Fans CPU Memory Front Panel Network Devices Power Supplies Removable Flash Media and Fibre Channel Devices 5 In the navigation pane click Overview Storage to display Storage Summary that lists the internal boot media and under Summary of Disks lists links to Physical Disks Virtual Disks Controllers and Enclosures Concerto OS boots fr...

Page 129: ...atches that information used by other 7700 FSP storage cluster devices Set up time zone and NTP information in iDRAC by completing the following 1 Open an HTTPS session using the IP address assigned to the iDRAC interface 2 Log in to iDRAC using its login credentials default login credentials are admin and violin101 3 In the navigation pane click Overview iDRAC Settings and in the iDRAC Informatio...

Page 130: ...sage 7 In the Alerts page click Alert Recurrence and in the Customize Alert Recurrence pane set interval values in days for repeating alerts in Recurrence for Severity Warning and Critical events and click Apply Note It is recommended that you enter a 1 in the Days field under the Recurrence column for Severity Critical events 8 In the Alerts page click Alerts tab and in the Alerts Filter pane mak...

Page 131: ... feature it is performed over TCP using the two 10Gpbs ports in HBA slot 1 of the rear chassis in the 7700 FSP Controllers The replication interface port is named rep0 at HBA slot 1 0 and port rep1 at HBA slot 1 1 Currently replication configurations only support using rep0 Replication Overview Replication is configured on a per LUN basis and this is unidirectional from the primary LUN to the repl...

Page 132: ...a device management interface to complete the replication set up 7700 FSP Controller Preparation The replication interface rep0 is not configured by the current configuration jump start or initial_config exp scripts Replication interfaces and inter controller routing must be configured using Concerto based CLI commands at each 7700 FSP Controller Prerequisites Tools and Skills This section lists t...

Page 133: ...ent Performance Table C 1 lists and describes the TCP ports that are used for replication operations The replication process uses the TCP ports listed in this table to handle one way incoming requests The reply to each of these requests is sent back using a dynamic port number Network firewalls must be configured to allow access through these TCP ports for successful communications Note Other ICMP...

Page 134: ...ver servers this is not required for a standalone Concerto OS based controller 11582 Concerto device CLI from SDAN client MemRecover HyperTrac Snapshot Director VMware CLI Proxy Communication port used to send CLI commands to the 7700 FSP Controller 11583 Concerto device Concerto Management Console RPT_STAT Communication port used to send report requests to the configuration management module on t...

Page 135: ...ls 2 Disable HA by issuing the following command 3 Configure rep0 by issuing the following commands For example 4 Add a replication route from rep0 to Site2 by setting a static replication route for each replication interface as shown For example ip route add 192 168 2 8 via 192 168 1 9 dev rep0 5 Inspect the static replication route as shown controller a isscli disableha s site1 cont a virtual ip...

Page 136: ...l C to make no changes to the current ha_precfg ini file as shown Note You may wish to add the rep0 port to the HA configuration for details see Replication in an HA Environment on page 135 7700 FSP Controller A requires both the heartbeat and monitor IP addresses to be in the same subnet as rep0 7700 FSP Controller B also requires two IP addresses in the same subnet Complete all rep0 port configu...

Page 137: ...te quit and then confirm the file access rights as shown controller a isscli enableha s site1 cont a ipaddress u root p password S site1 cont b ipaddress U root P password pcu admin pcp admin ar X 60 controller a sms controller a isscli getfailoverstatus controller a isscli disableha s site2 cont a ipaddress u root p password S site2 cont b ipaddress U root P password controller a networkconfig sh...

Page 138: ... details see Replication in an HA Environment on page 135 7700 FSP Controller A requires both the heartbeat and monitor IP addresses to be in the same subnet as rep0 7700 FSP Controller B also requires two IP addresses in the same subnet Complete all rep0 port configuration prior to issuing the enableha command 11 Re enable HA by issuing the following commands 12 Inspect HA by issuing the followin...

Page 139: ...of the tasks that are involved in adding a snapshot resource for specific details and steps see the latest version Symphony Help 1 Select Manage Devices Snapshot Resources 2 Select a 7700 FSP Controller in the Manage Devices panel in the left navigation pane A list of available LUNs on the device appears in a table in the main window 3 Click to select a LUN from the list which highlights the selec...

Page 140: ...ary Controller names appears in the dialog about the Primary LUN name 6 Complete the procedural steps in the Creating a Replication Policy for a LUN topic in Symphony Help to configure and create a replication policy for the selected LUN Make sure to designate the Replica Controller rep0 IP address The Primary Controller will communicate with the Replica Controller to apply these settings Task 4 V...

Page 141: ...er B to 7700 FSP Controller A by using the following commands Confirm that rep0 for 7700 FSP Controller A indicates its MAC address 3 Add a replication route from 7700 FSP Controller B rep0 to Site2 For details see step 4 and step 6 in Configuring Site 1 7700 FSP Controller A on page 129 4 Return to 7700 FSP Controller A to complete HA configuration and enable HA Table C 3 provides host virtual IP...

Page 142: ...B Site 2 7700 FSP Controller A site2 rep0 ipaddress site2 rep0 monitoripaddress Site 2 7700 FSP Controller B site2 controllerb rep0 ipaddress site2 controllerb rep0 monitoripaddress HA enabled true mutual true powercontrol ipmi isStretchCluster false primary hostname site1 controller a sci_ip 169 254 2 101 interface eth0 rep0 heartbeat_ip 10 0 XXX XX2 192 168 1 12 virtual_ip 10 0 XXX XX1 192 168 1...

Page 143: ...luster false primary hostname site2 controller a sci_ip 169 254 2 101 interface eth0 rep0 heartbeat_ip 10 0 XXX XX2 192 168 2 12 virtual_ip 10 0 XXX XX1 192 168 2 11 ipmi_ip 169 254 1 101 quorum_drive any quorum_mirror_drive secondary hostname site2 controller b sci_ip 169 254 2 102 interface eth0 rep0 heartbeat_ip 10 0 XXX XX4 192 168 2 14 virtual_ip 10 0 XXX XX3 192 168 2 13 ipmi_ip 192 168 1 10...

Page 144: ...Appendix C Configuring Replication 138 7700 Flash Storage Platform Installation Guide 7 6 3 x 530 0267 00 Rev 02 ...

Page 145: ...ve completed all of the preconfiguration steps prior to configuring the switches Performing Brocade 6510 FC Switch Preconfiguration To perform preconfiguration complete the following 1 Connect a laptop PC or Mac to the RJ 45 serial port on the Brocade 6510 FC switch 2 Start a terminal emulation program and use the following settings Bits per second 9600 Data bits 8 Parity None Stop bits 1 Flow con...

Page 146: ...iquely identify them on the network 6 Connect the FC switch Management network RJ 45 port to the management network 7 Confirm that this connection is valid and functional by using the ping command with the gateway IP address 8 Type exit and logout 9 Continue FC switch management using SSH and the Management IP address you just assigned 10 Repeat these steps on the second Brocade 6510 FC switch in ...

Page 147: ...ime server examples To set for a single NTP time server FC7700 switch a root fabricshow Switch ID Worldwide Name Enet IP Addr FC IP Addr Name 1 fffc01 10 00 50 eb 1a 6d 1b f0 10 5 76 81 0 0 0 0 FC7700 switch a FC7700 switch a root dnsconfig 1 Display Domain Name Service DNS configuration 2 Set DNS configuration 3 Remove DNS configuration 4 Quit Select an item 1 4 4 2 Enter Domain Name eng vmem int...

Page 148: ...see Contacting Violin Systems on page 5 Inspect FC switch access accounts 10 Inspect the FC switch ports and confirm that NPIV is enabled on all ports by issuing the portcfgshow command as shown Note It is recommended that you record the output of this current deployed configuration and save this as a configuration backup for reference 11 Repeat this process on the second Brocade 6510 FC switch in...

Page 149: ... of accessing all of your 7700 Flash Storage Platform components For the latest Symphony installation instructions system requirements supported platforms supported Web browsers and post installation procedures for installing and getting started with Symphony see the latest version Violin Symphony Installation Guide The following section assumes you have successfully installed Symphony and any nec...

Page 150: ... Symphony 144 7700 Flash Storage Platform Installation Guide 7 6 3 x 530 0267 00 Rev 02 Note The default login credentials to use for login name and password are admin admin See the Violin Symphony Help for instructions on using Violin Symphony ...

Page 151: ... A stretched cluster 7700 FSP Controller can fail over to the remote site 7700 FSP Controller which then takes over responsibility for the storage and workload of the remote site during a failure In a stretched cluster configuration the two 7700 FSP Controllers could be located on different floors in the same building or in different buildings in the same city A stretched cluster provides synchron...

Page 152: ...ration 1 Each site where a 7700 FSP Controller is deployed requires access to a northbound storage fabric a southbound storage fabric and at least one storage shelf Each 7700 FSP Controller mirrors application data on each LUN from the shelf at its local site to the corresponding shelf at the remote site In general local applications will run at both sites while either site is prepared to take ove...

Page 153: ...tion or via a Fiber Optic WAN transport connection with 1Gbps guaranteed minimum bandwidth between the two remote sites The SCI 1 ports do not need to be connected for stretched cluster operations If there is existing network connectivity between the two sites in a stretched cluster link the SCI 0 ports over that connection provided that this connection meets the 1Gbps guaranteed minimum bandwidth...

Page 154: ...a Configuration Repository and Mirror on Site B on page 151 Enabling HA on page 151 Checking Failover Status on page 152 Note If you intend to create a stretch cluster it is recommended that you first read Overview Stretched Clusters on page 145 and Enabling a Stretched Cluster on page 152 prior to using the HA CLI commands For specific details about CLI commands refer to the Concerto Command Line...

Page 155: ...ers At each of the 7700 FSP Controllers rescan for new physical devices by using the rescandevices CLI command as shown Inspecting the Discovered Devices Gather new and current physical device information in your system by using the following getpdevinfo CLI commands as shown Renaming LUNs and Minimum Stretched Cluster LUN Requirements The minimum requirement for a stretched cluster is to have two...

Page 156: ... isscli renamephysicaldevice I 104 0 2 4 n Quorum A Remote isscli renamephysicaldevice I 106 0 4 3 n Data A Remote isscli renamephysicaldevice I 107 0 0 3 n Data A isscli renamephysicaldevice I 106 0 3 1 n Quorum B Remote isscli renamephysicaldevice I 105 0 1 4 n Data B isscli renamephysicaldevice I 105 0 1 2 n Quorum B isscli renamephysicaldevice I 104 0 2 2 n Data B Remote Site A Site B 7700 FSP...

Page 157: ...te B Create a configuration repository and mirror on Site B by using the following CLI commands enableconfigurationrepository and createconfigurationrepositorymirror as shown Enabling HA If you have successfully created a preconfiguration file use the enableha CLI command to enable HA for two Memory Gateways using the information in this file Note For details about using cfgprecfg sh or the ha_pre...

Page 158: ...ns Tiebreaker acts to prevent split brain scenarios that can happen if failover servers ever lose communication with each other and if this happens each one assumes that the other has failed In a split brain scenario both 7700 Controllers may attempt to write to the same storage which results in data inconsistency Note Tiebreaker is only recommended for use in stretched cluster configurations The ...

Page 159: ...server See the vCenter documentation for more information 1 Launch a vSphere Client connected to a vCenter Server then select the ESX server datacenter from the navigation pane on the left on which to deploy tiebreaker 2 Choose File Deploy OVF Template Then in the dialog that appears click Browse navigate to the download location of the ova file select the file and then click Open 3 Click Next The...

Page 160: ...splash screen appears followed by a list of available boot devices in the BIOS Boot Manager Wait while the server boots from the USB drive and loads the installation utility 4 On the Image Installation Summary screen verify that the installation type operating system product and package to be installed are correct 5 On the RAID controller screen click OK 6 On the Change Host Name screen enter the ...

Page 161: ...ir m M odify a failover pair r R emove a failover pair q Q uit Failover Type 0 1 0 Mutual Failover 1 Non Mutual Failover default 1 0 Heartbeat IP address of the first active server ex 10 0 0 1 10 6 3 112 Hostname of the first active server IPS 26857 111 Administration account of the first active server root Administration account password of the first active server Heartbeat IP address of the seco...

Page 162: ...Save y n Choose y to save Failover Type Non Mutual Failover Heartbeat IP address of the first active server 172 22 12 123 Host name of the first active server H12 122 Administration account of the first active server root IP address of the second server 172 22 12 132 Host name of the second server H12 132 Administration account of the second server root IP address of the SNMP managers to receive t...

Page 163: ...kerd start Sample output Starting Tiebreaker Monitor Module OK Starting Tiebreaker SNMP Module OK tiebreakerd stop Stops the Tiebreaker daemon root tiebreaker tiebreakerd stop Sample output Stopping Tiebreaker SNMP Module OK Stopping Tiebreaker MonitorModule OK tiebreakerd restart Stops and starts the Tiebreaker daemon root tiebreaker tiebreakerd restart Sample output Stopping Tiebreaker SNMP Modu...

Page 164: ...er the secondary s status is healthy or not If it displays Error the secondary 7700 Controller is not healthy enough to take over the primary 7700 Controller Power Control Type State Displays the power type and status for each server in the failover configuration with status values of On Off or Unknown Storage Cluster ng Latency Indicates if the SCI latency time between the primary and secondary s...

Page 165: ...28309f9a 502 46367c31 0888 709a a224 000051edea17 503 The last number in the string is the latency value View mirror latency by performing an SNMP query in your MIB browser SNMP Heartbeat Checking Tiebreaker sends an SNMP heartbeat trap to monitor if the Tiebreaker SNMP daemon is alive SNMP Heartbeat Checking Interval sec The interval for SNMP heartbeat traps to be sent Tiebreaker Monitoring Failo...

Page 166: ... the changed value a Failover Type Mutual Failover b Heartbeat IP address of the first active server 10 6 13 151 c Host name of the first active server IPS 26950 150 d Administration account of the first active server root e Administration account password of the first active server f Heartbeat IP address of the second server 10 6 13 153 g Host name of the second server IPS 26949 152 h Administrat...

Page 167: ...Y to start monitoring failover pair 6 Type S to save the configuration Sample Traps Sent by Tiebreaker The following are examples of traps sent by the Tiebreaker server You may receive two SNMP traps listed below during the failover configuration removal process depending upon how long the removal process takes to complete you can ignore the first trap Tiebreaker stopped monitoring because its con...

Page 168: ...on account password of the second server IP address of the SNMP managers to receive traps max 5 comma separated ex 10 0 0 101 10 0 0 102 10 0 0 103 10 0 0 104 10 0 0 105 192 168 48 169 SCI Latency Threshold ms default 200 Mirror Latency Threshold ms default 200 Send an SNMP heartbeat trap to monitor the Tiebreaker SNMP daemon y n default n Start monitoring the failover pair y n default y y In a sp...

Page 169: ... failover pair yes In a split brain scenario activate the policy to force a node to take over its partner when all communications from Tiebreaker to that partner node have failed yes Can t open lock file usr local tiebreaker etc vt2500 3 ipstor conf lock 2 Can t open lock file usr local tiebreaker etc vt2500 33 ipstor conf lock 2 Saving Tiebreaker configuration The configuration was saved root Tie...

Page 170: ...talled To upgrade an existing Tiebreaker configuration do the following Note This procedure applies to Concerto version 7 6 3 1 and later When you run the stated commands ensure that you replace the version number in the sample with the one your 7700 FSP is running 1 Log in as root on the system where Tiebreaker is installed and enter the following command 2 Enter the following command to stop the...

Page 171: ... Health OK OK Power Control Type State IPMI On Storage Cluster Interlink Latency OK Mirror Sync Status Mirror in sync Primary Failover Status Up Primary Management Connection OK Secondary Management Connection OK card srv3056_card srv3053 Status Tiebreaker Monitor Status OK Primary Health Secondary Health OK OK Power Control Type State IPMI On Storage Cluster Interlink Latency OK Mirror Sync Statu...

Page 172: ...07 SCI Latency Threshold 200 MirrorLatencyThreshold 200 SNMP Heartbeat Checking yes SNMP Heartbeat Checking Interval sec 300 Tiebreaker Monitoring Failover yes Tiebreaker Policy yes card srv3056_card srv3053 Config Failover Type A A Primary Heartbeat IP 10 5 77 174 Primary Host Name card srv3056 Primary User Name root Primary Password Secondary Heartbeat IP 10 5 77 175 Secondary Host Name card srv...

Page 173: ...e CLI commands to enable and disable high availability HA in the 7700 Flash Storage Platform only after you have completed the prerequisites that ensure that all necessary files and components are properly configured and created You may need to disable HA if there is a change to the network configuration information such as a host name or IP address having changed or if there is a change related t...

Page 174: ...and interface attributes The ha_precfg ini file format provides a single line for each attribute Apply attributes in the same sequence as the interface is listed Note Typically 7700 FSP Controller A is the primary and 7700 FSP Controller B is the secondary a sci_ip This is the Storage Cluster Interface SCI IP address there is an sci0 IP address on each 7700 FSP Controller b ipmi_ip This is the IPM...

Page 175: ... isc0 isc1 isc2 isc3 heartbeat_ip 10 5 4 21 172 16 1 11 192 168 0 2 192 168 0 4 192 168 0 6 192 168 0 8 virtual_ip 10 5 4 20 172 16 1 10 192 168 0 1 192 168 0 3 192 168 0 5 192 168 0 7 quorum any quorum_mirror_drive secondary hostname controller b sci_ip 169 254 0 2 ipmi_ip 10 5 4 19 interface eth0 rep0 isc0 isc1 isc2 isc3 heartbeat_ip 10 5 4 23 172 16 1 13 192 168 0 10 192 168 0 12 192 168 0 14 1...

Page 176: ...ue powerControl ipmi isStretchCluster false primary hostname controller a hostname sci_ip controller a sci_ip ipmi_ip controller a ipmi_ip interface eth0 heartbeat_ip controller a heartbeat_ip virtual_ip controller a virtual_ip quorum controller a A C S L configuration repository quorum_mirror_drive secondary hostname controller b hostname sci_ip controller b sci_ip ipmi_ip controller b ipmi_ip in...

Page 177: ... for MG A and MG B are unique so as to avoid any possible IP address conflicts IP address conflicts may cause the enableha CLI command to fail Swap 8197MB Network Interface eth0 mtu 1500 inet 10 5 5 237 mac b8 ca 3a 68 c4 4c Network Interface eth1 mtu 1500 inet 1 0 0 3 mac b8 ca 3a 68 c4 4d Network Interface eth2 mtu 1500 inet 1 0 0 6 mac 0 1b 21 71 ae e4 Network Interface eth3 mtu 1500 inet 1 0 0...

Page 178: ...em int vmem int violintech net nameserver 10 5 0 12 nameserver 10 5 0 13 isscli rescandevices t I a adapter i scsi range l lun range r L A k X rpc timeout isscli rescandevices X 60 Error Description Workaround Resolution Failed to resolve Concerto server to a valid IP address 0x9022004 Error condition after issuing enableha CLI command due to the DNS server not properly resolving the server name o...

Page 179: ...bled To verify the latest system status use the getserverconfiginfo CLI command which displays the status of your failover servers configuration type failover state failover suspended and stretched cluster enabled settings QoS is enabled on mg a but disabled on mg b Must be consistent to set up failover 0x0902490c Error condition after issuing enableha CLI command due to a QoS error that resulted ...

Page 180: ...Appendix G Managing HA Using CLI Commands 174 7700 Flash Storage Platform Installation Guide 7 6 3 x 530 0267 00 Rev 02 ...

Page 181: ... page 182 Cabinet Safety Precautions on page 183 Disposal of Waste Equipment by Users in Private Households in the European Union on page 184 Perchlorate Material Special Handling May Apply on page 185 European Union RFI Statement on page 186 USA Radio Frequency Interference FCC Notice on page 187 Japan Radio Frequency Interference VCCI on page 188 Korea RFI Statement on page 189 Canada RFI Statem...

Page 182: ...een tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual...

Page 183: ...7 Regulatory Information For your protection this product has been tested for conformance to various national and international regulations and standards The scope of this regulatory testing includes electrical and mechanical safety electromagnetic emissions immunity acoustics and hazardous materials ...

Page 184: ...ifications and identification this product is assigned a Violin Systems regulatory model number This number is found on the product label along with the required approval markings and information When requesting certification information for this product always refer to this regulatory model number Note Do not confuse the regulatory model number with the marketing or model number ...

Page 185: ...ash Storage Platform Installation Guide 7 6 3 x 179 Installation Conditions See installation instructions before connecting this equipment to the input supply WARNING The equipment must be provided with a proper AC protective earth PE ground connection ...

Page 186: ...Compliance Information 180 7700 Flash Storage Platform Installation Guide 7 6 3 x 530 0267 00 Rev 02 Network Connected Equipment WARNING The installation must provide a ground connection for the network equipment ...

Page 187: ...lable or supplied with memory additions This kit contains one wrist strap one conductive sheet and one antistatic foam pad Always disconnect power from the server and wear a grounded wrist strap when working around the server Always wear a grounded wrist strap when handling printed circuit boards Treat all assemblies components and interface connections as static sensitive Avoid working in carpete...

Page 188: ...rrect polarity when changing the lithium battery There is a danger of explosion if battery is installed incorrectly Replace only with the same or equivalent type recommended by the manufacturer Dispose of used batteries according to the manufacturer s instructions and local disposal requirements Note Switzerland Annex 4 10 of SR 814 013 applies to batteries ...

Page 189: ...oading cabinets from the pallet and movement of cabinets should be performed by at least two people Slidable products are not to be extended from the cabinet while the equipment is on the shipping pallet The cabinet must be unloaded from the pallet and all anti tip devices properly installed prior to extending any slidable product Once installed all anti tip devices must remain in place to maintai...

Page 190: ...spose of your waste equipment by handing it over to a designated collection point for the recycling of waste electrical and electronic equipment The separate collection and recycling of your waste equipment at the time of disposal will help to conserve natural resources and ensure that it is recycled in a manner that protects human health and the environment For more information about where you ca...

Page 191: ...y Apply See http www dtsc ca gov hazardouswaste perchlorate This product may include a real time clock battery or coin cell battery that may contain perchlorate and may require special handling when recycled or disposed of in California Refer to the product user documentation to determine if this product contains batteries and if so the battery type s that are used ...

Page 192: ...Storage Platform Installation Guide 7 6 3 x 530 0267 00 Rev 02 European Union RFI Statement This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures ...

Page 193: ... commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense The...

Page 194: ...Appendix H Compliance Information 188 7700 Flash Storage Platform Installation Guide 7 6 3 x 530 0267 00 Rev 02 Japan Radio Frequency Interference VCCI ...

Page 195: ...Korea RFI Statement 530 0267 00 Rev 02 7700 Flash Storage Platform Installation Guide 7 6 3 x 189 Korea RFI Statement ...

Page 196: ... 7700 Flash Storage Platform Installation Guide 7 6 3 x 530 0267 00 Rev 02 Canada RFI Statement This Class A digital apparatus complies with Canadian ICES 003 Cet appareil numérique de la classe A est conforme à la norme NMB 003 du Canada ...

Page 197: ...ash Storage Platform Installation Guide 7 6 3 x 191 CISPR 22 WARNING This is a class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate remedial measures ...

Page 198: ...Appendix H Compliance Information 192 7700 Flash Storage Platform Installation Guide 7 6 3 x 530 0267 00 Rev 02 Australia C Tick Label ...

Page 199: ...Taiwan BSMI Statement 530 0267 00 Rev 02 7700 Flash Storage Platform Installation Guide 7 6 3 x 193 Taiwan BSMI Statement ...

Page 200: ...Appendix H Compliance Information 194 7700 Flash Storage Platform Installation Guide 7 6 3 x 530 0267 00 Rev 02 Four in One Recycling Symbol ...

Page 201: ...Product Information for People s Republic of China 530 0267 00 Rev 02 7700 Flash Storage Platform Installation Guide 7 6 3 x 195 Product Information for People s Republic of China ...

Page 202: ...Appendix H Compliance Information 196 7700 Flash Storage Platform Installation Guide 7 6 3 x 530 0267 00 Rev 02 ...

Page 203: ...and domain name 62 using Symphony to configure and enable HA 67 using Symphony to create a SAN client and a LUN as a configuration repository 65 using Symphony to create and enable a configuration repository 66 using Symphony to set up SAN clients and LUNs 65 A ACM configuration commands to complete 97 ACSL values Memory Gateways 103 allocating storage space Memory Gateways 101 arrays 6000 Series ...

Page 204: ...s 94 creating storage pools on Memory Gateways 103 D dedup storage pool planning best practice guides 52 deduplication enabling 110 E e mail alert settings enabling for Memory Gateways manual 95 enabling callhome and e mail alert setting for Memory Gateways 95 Configuration Repositories on both Memory Gateways 104 enabling callhome for 7700 FSP Controllers 95 for Memory Gateways 95 F failover sett...

Page 205: ...ries arrays 31 northbound configuring northbound path from 7700 FSP Control lers to client network 80 configuring northbound switches 79 confirm FC ports on 7700 FSP Controller as targets for northbound connectivity 80 confirm iSCSI ports on 7700 FSP Controller as targets for northbound connectivity 80 northbound connections cable connections between 7700 FSP Controller client network switch 10 co...

Page 206: ...I connections in SAN environ ment 10 stretched cluster configuration 10 storage pools best practices 54 creating on Memory Gateways 103 guidelines for Memory Gateways on a 7000 Series FSP shelf 54 setting up for deduplication 111 verifying 105 107 verifying before enabling HA 105 storage space allocation creating storage pools on Memory Gateways 101 stretched cluster checking failover status 152 c...

Page 207: ...r 161 sample traps sent by Tiebreaker 161 setting up Tiebreaker using the CLI 162 status field definitions 158 using Tiebreaker commands 157 troubleshooting determine IP addresses of internal Memory Gateways 1 known 1 unknown 113 determine IP addresses of internal Memory Gateways both unknown 114 Memory gateway error messages 115 U upgrading 7700 FSP Controllers and 7000 Series FSP storage shelves...

Page 208: ...202 7700 Flash Storage Platform Installation Guide 7 6 3 x 530 0267 00 Rev 02 ...

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