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5-2

Cisco UCS Invicta C3124SA Appliance Administration Guide

OL-25761-DRAFT

Chapter 5 Asynchronous Replication

–

Increase in size

–

Delete operation

Note

The first replication that is performed on a pairing is always a FULL replication. Subsequent replications

reflect the delta, except where an “Update Partner” operation is performed. In that case, the immediate
next replication would become a FULL replication.

Communicating with a Partner Host

To perform replication successfully, there must be a way for communicating between the local LUN and
the remote replication site to establish that the client (local Cisco Array) is allowed to invoke commands
on the server (remote replication site).

The Cisco Array uses the standard remote shell facility, ssh, leveraging on password-less access after
putting its public key to the proper location at the remote replication site.

For LUNs, Cisco supports open-target Async Replication. It can duplicate to the following platforms:

•

Cisco Array

•

Linux systems:

–

Linux-LVM

–

Linux-RAW

•

Windows 2008 R2 or later Server editions.

Table 5.1 lists the releases that are supported for LUNS. Instructions for each platform follow:

Cisco to Cisco

Cisco-to-Cisco Async Replication is preconfigured and is complete. To create a pairing, see

Create a

Pairing, page 5-6

.

”

Cisco to Linux-LVM

Step 1

Click

Public Key

to obtain the public key necessary for using password-less ssh access.

Table 5-1

Supported Releases

Platform

Supported Releases

Additional Information

Cisco

Cisco UCS Invicta OS >= 4.1.1

Destination LUN needs to be a LUN of the
same size as the source LUN.

Linux-LVM

Kernel version >= 2.6.3

LVM2 version >= 2.02

Destination target needs to be a logical
volume of the same size as the source LUN.

Linux-RAW

Kernel version >= 2.6.3

Destination block device needs to be the
same size as the source LUN.

Windows

Windows 2008 R2 or later Server
editions

Duplicates directly to a file.

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Содержание UCS Invicta C3124SA

Страница 1: ...st Tasman Drive San Jose CA 95134 1706 USA http www cisco com Tel 408 526 4000 800 553 NETS 6387 Fax 408 527 0883 Cisco UCS Invicta C3124SA Appliance Administration and Configuration Guide Version 5 0 0 January 24 2014 Text Part Number OL 31370 01 ...

Страница 2: ...ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED AS IS WITH ALL FAULTS CISCO AND THE ABOVE NAMED SUPPLIERS DISCLAIM ALL WARRANTIES EXPRESSED OR IMPLIED INCLUDING WITHOUT LIMITATION THOSE OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING USAGE OR TRADE PRACTICE IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIREC...

Страница 3: ...2 1 RAID Health 2 1 Node Status 2 2 Drive Wear Monitor 2 2 Drive Tasks 2 2 Removing a Drive 2 3 Performance MB s IOPS Latency and Utilization Monitors 2 4 Administration Guide 2 4 Installation Guide 2 4 C H A P T E R 3 Array Configuration 3 1 Network Settings 3 1 Creating a New Bond 3 1 Default Gateway 3 3 DNS Nameservers 3 3 Static Routes 3 4 Edit Bond 3 4 Delete Bond 3 5 Enable Disable Bond 3 5 ...

Страница 4: ...ion 4 1 The LUNs List 4 1 Create LUN 4 1 Increase LUN Size 4 2 Create Snapshots 4 2 Schedule Snapshot 4 4 Delete LUN 4 5 View LUN Performance Data 4 5 Initiator Groups 4 6 Add an Initiator to an Initiator Group 4 6 Create an Initiator Group 4 7 Map a LUN to an Initiator Group 4 7 Unmap LUN from Initiator 4 8 Delete Initiator Group 4 8 C H A P T E R 5 Asynchronous Replication 5 1 Communicating with...

Страница 5: ...dministration and Configuration Guide OL 31370 01 C H A P T E R 6 Users 6 1 Create a New User Account 6 1 Assign or Unassign User Role 6 1 Delete User Account 6 2 Edit User Account 6 2 Create or Modify a Role 6 3 Delete a Role 6 3 Change Password 6 4 ...

Страница 6: ...Contents vi Cisco UCS Invicta C3124SA Appliance Administration and Configuration Guide OL 31370 01 ...

Страница 7: ... applies to both types of arrays unless otherwise noted Unique content is identified within the content Prerequisite Tasks Before you configure the network connections ensure that you do the following Verify that the hardware cabling and installation is correct and complete Verify that a Web browser for accessing the Cisco UCS Invicta C3124SA Appliance Management GUI is available If you are unable...

Страница 8: ...board Displays health wear performance utilization and node status views View drive Information Fail or Remove a drive Enable or Disable the Blink On function View the Performance MB s IOPS and Latency monitors View array wear indicator View Node Status to check if the node has Data Reduction capability Administration Guide Links to a PDF Installation Guide Links to a PDF ...

Страница 9: ...n The right click menu provides a menu option to create a logical unit number LUN In addition a UCS Invicta C3124SA Appliance with Data Reduction can also display the Physical Space and Storage Trend from the right click menu View Cisco UCS Invicta C3124SA Appliance Storage Information Create a LUN View Physical Space Data Reduction View Storage Trend Data Reduction iSCSI Settings Lists IP address...

Страница 10: ...ng requests Proxy Port is the port number used when sending the outgoing requests Click Save to save changes to these fields Test Autosupport triggers the generation of an Autosupport message that is outside of the regular schedule and tests the Autosupport relay setting This test includes collected data but does not include performance graphs Post Service button triggers communication to the Auto...

Страница 11: ...stem update onto the Cisco UCS Invicta C3124SA Appliance After the file has been authenticated by the system the Administrator is prompted through the remaining update process Uninstall Update button displays immediately after an update is installed and is used to uninstall the last update Shutdown and Reboot commands are verified to prevent any unintentional action Permission based Table 1 1 GUI ...

Страница 12: ...lect an unlimited number of LUNs for deletion You can also use check boxes to select and view the performance of up to the first 5 selected LUNs Permission based Create LUNs Increase LUN Size Create Snapshot Schedule Snapshot Delete LUNs Check Performance Initiator Groups Maps LUNs The Initiator Groups list uses a tree structure that you can expand and collapse Right click menus allow you to add a...

Страница 13: ...d Scheduled Replication Restore either to a New LUN or to the Original LUN Replication and Restore Termination Download Cygwin Package needed for Windows Target Pairing Deletion View Logs Snippets of Replication and Restore logs for each partner Retrieve the device Public Key Users User Accounts Requires that each user must have a user account and must be assigned one or more roles Permission base...

Страница 14: ...nistrator Verify support settings NTP Time Zone SMTP Create roles Set up user accounts Configure LUNS and Initiator Groups If you are responsible for the overall network administration you must log into the Management Tool and set up the user account and role creation as follows Note If you experience a problem please contact Cisco technical support Roles Creates roles with specific permission set...

Страница 15: ...password abc123 may not be reused A unique Login ID is needed so that the audit trail reflects a unique user Admin if unchanged will not distinguish between those logged using that default name Step 4 Create a unique username see Chapter 6 Users Step 5 Click Log out at the top right of the window Step 6 Login using the new user account ID The Cisco Installation team will have configured the Cisco ...

Страница 16: ...e 1 1 Cisco UCS Invicta C3124SA Appliance Rear Panel Features PSU1 PSU2 PCIe 1 PCIe 2 PCIe 3 PCIe 4 PCIe 5 4 9 8 10 7 11 6 5 2 3 331826 1 1 Power supplies two 7 1 Gb Ethernet dedicated management port 2 PCIe slot on riser 2 PCIe 5 full height 3 4 length x16 lane 8 USB 2 0 port 3 PCIe slot on riser 2 PCIe 4 half height 3 4 length x8 lane 9 Quad 1 Gb Ethernet ports LAN1 LAN2 LAN3 and LAN4 4 VGA vide...

Страница 17: ...indow graphically depicts the RAID health and its unused drives The dashboard offers right click context menus that allows you to perform various drive operations and to view Performance MB s IOPS and Latency monitors and an array wear indicator RAID Health Table 2 1 on page 2 1 and Table 2 2 on page 2 2 provide legends for the colors of the RAID Status and Drive Status Table 2 1 Table 2 0 RAID Le...

Страница 18: ...RAID 5 if it is configured with one or more RAID sets has an Unused tab and has a spare drive A system is configured with RAID 6 if it has only one RAID set and has an Unused tab It does not include a spare drive Note A Data Reduction Node will always be configured with RAID 6 To perform drive tasks Step 1 Right click a drive in the Node Health Information window The drive tasks right click menu a...

Страница 19: ...able or disable the Blink On feature A confirmation messages indicates the Blink On Off status Removing a Drive The Remove right click menu option provides a means to safely remove a drive without causing data corruption Note While not encouraged a drive other than a spare from a RAID set may be removed using the Fail menu option and the procedure described in Drive Tasks To remove a drive do the ...

Страница 20: ...refreshes every 10 seconds Mouse over a performance grid to view detail To view performance information do any of the following To view daily performance click the icon in the top right hand corner of the performance graph To view weekly performance click the icon in the top right hand corner of the performance graph This information auto refreshes every 10 seconds and displays a point in time vie...

Страница 21: ...Ethernet Bond Status table This is a sortable list of all bonds currently available on this array It also displays a sortable list of Fibre Channel interfaces Right clicking an interface presents menu options for example enable disable and so on The top buttons on this window can be clicked to create a new network interface bond set a default gateway set the DNS servers and set static routes This ...

Страница 22: ...n Available Bonding Modes Step 4 Click Create Bond once all settings have been entered or click Cancel to return to the Network Settings window Available Bonding Modes Table 3 1 describes the bonding modes that are configurable from the web interface Table 3 1 Bonding Modes MODE NAME DESCRIPTION ADDITIONAL INFORMATION mode 0 balance rr Round robin policy Transmit packets in sequential order from t...

Страница 23: ...responding numeric Internet Protocol IP addresses To edit the Nameservers do the following Step 1 Choose Array Configuration Network Settings The Network Setting window appears mode 4 802 3ad Link Aggregation Control Protocol LACP IEEE 802 3ad Dynamic link aggregation creates aggregation groups that share the same speed and duplex settings This utilizes all slaves in the active aggregator accordin...

Страница 24: ...The Network Setting window appears Step 2 Click Static Routes The Static Routes window appears Add Static Route To create a new static route for an active bond do the following Step 1 Choose Array Configuration Network Settings The Network Setting window appears Step 2 Click Static Routes Add Static Route The Create New Static Route dialog box appears Step 3 Complete the fields Network Mask Gatewa...

Страница 25: ...tion Network Settings The Network Settings window appears Step 2 Highlight a Bond from the Ethernet Bond Status list by mousing over it and right click The right click menu appears Step 3 Choose Delete Bond The Delete Bond confirmation dialog box appears Step 4 Choose Delete Bond to delete or Cancel to return to the Network Settings window Enable Disable Bond An existing Network Interface Configur...

Страница 26: ...om the right click menu Step 1 Choose Array Configuration Network Settings The Network Settings window appears Step 2 Highlight a Bond from the Ethernet Bond Status list by mousing over it and right click The right click menu appears Step 3 Choose Create Virtual The Create New Virtual dialog box appears Step 4 Complete the fields IP Address If verified a check mark appears Subnet Mask MTU Note For...

Страница 27: ...d Onboot Yes No Informs the OS if this bond is to come online during the boot process Step 5 Click Create VLAN once all settings have been entered or click Cancel to return to the Network Settings window Configure Devices The Configure Device window displays the Slave and Unbonded interface status lists for the Bond and its virtual Bonds and VLANs selected from the Network Settings window Bond con...

Страница 28: ... 2 View the Host Name or Network Link or IQN currently configured for the device Step 3 You can use the Network link drop down list to select a different Network Link that has been configured on the device Storage Allocation Displays storage information Right click menu provides a menu option to create a LUN Cisco UCS Invicta C3124SA Appliances with Data Reduction can also display the physical sto...

Страница 29: ... appears to indicate this status Physical Space Alerts The status of physical space is monitored on an hourly basis Alerts are triggered at the capacities and frequencies listed in Table 3 2 Capacity Alerts on page 9 These messages can be viewed from the Array Configuration menu under Alert Admin Alerts are also sent to Autosupport and to the additional addresses provided in the Autosupport CC fie...

Страница 30: ...ed Off as it has an impact on reading performance of up to 15 To access the Error Correction switch choose Node Configuration Error Correction Support Settings The Cisco Installation Team will have configured UCS Invicta Scaling Array so that there is SRR communication and SSR to SSN communication The SSRs are connected to the network and are now controlling the network data sent to the SSNs Netwo...

Страница 31: ... allow access to Port 443 outbound Send from Domain Applies only when emails are being sent directly from the Cisco Array if there is no connection to the Autosupport server over the Internet Proxy URL IP The proxy server that the customer uses to direct outgoing requests Proxy Port The port number used when sending outgoing requests Network Time Protocol NTP Server Enter the NTP address Used to s...

Страница 32: ...can be potentially uninstalled Alert Admin The Alert Admin menu lists active alerts sent during periodic system checks The alert entries include a short identification last sent time and date and status information To access the Alert Admin window do one of the followoing Click the alerts on the Home window Choose Array Configuration Alert Admin The Alert Admin window appears System Update System ...

Страница 33: ...the mouse A right click menu appears with Suppress and Resolved options see Table 3 5 Step 3 Choose Suppress or Resolved Table 3 5 Alert Admin Actions Action Description Supress Changes alert status from Active to Suppressed Alerts are not resent during subsequent periodic System checks Resolved Removes selected alerts from the active list However should the same alerts recur during subsequent Sys...

Страница 34: ...3 14 Cisco UCS Invicta C3124SA Appliance Administration and Configuration Guide OL 31370 01 Chapter 3 Array Configuration ...

Страница 35: ...created and configured from the LUN Configuration window using buttons and right click menus The Administrator must determine the best LUN configuration The following section describes LUN Configuration tasks Note Only those who were assigned roles with the associated permissions can view and or access these tasks The LUNs List The list of LUNs has check boxes adjacent to them These check boxes ca...

Страница 36: ...e Size dialog box appears Step 4 Enter the new size into the Increase GB field Note LUN size can only be increased not decreased Step 5 Click Update LUN or click Cancel and return to the LUNs list Create Snapshots The Snapshot feature provides the ability to create virtual images of a LUN at a particular instant and does so without causing a service interruption Snapshot characteristics LUN Snapsh...

Страница 37: ...e may be forcibly unmounted To create a snapshot do the following Step 1 Choose LUN Configuration LUNs The LUNs window appears Step 2 Highlight a LUN from the LUNs list by mousing over it and right click The right click menu appears Step 3 Choose Create Snapshot The Create LUN Snapshot dialog box appears Step 4 Enter the snapshot name and size noting the available space Step 5 Click Create Snapsho...

Страница 38: ...e over a LUN snapshot to highlight it and right click The right click menu appears Step 3 From the right click menu choose Merge Snapshot The Merge Snapshot confirmation dialog box appears Step 4 Choose Merge to complete the Snapshot merge or choose Cancel to return to the LUNs window Delete Snapshot When the maximum number of Snapshots 10 has been created either manually or automatically via sche...

Страница 39: ...view details of a particular time frame click your mouse and drag it over a lower time line interval e g 17 25 to 17 50 Delete LUN Note If a LUN is part of an asynchronous replication pairing it cannot be deleted until the pairing is removed To remove the pairing go to the Async Replication Pairings menu see Chapter 5 Asynchronous Replication Note You must delete all associated snapshots before a ...

Страница 40: ...k menu appears Step 3 Choose Check Performance The LUN Performance Information Monitor appears Step 4 Mouse over a performance grid to view detailed information Step 5 Do any of the following To view daily performance click the icon in the top right hand corner of the performance graph To view weekly performance click the calendar icon in the top right hand corner of the performance graph To view ...

Страница 41: ...or click Cancel to return to the Initiators list Note Ensure that the WWN for the HBA to which the storage is attached is zoned using the standards used in your data center Map a LUN to an Initiator Group Caution Avoid mapping a LUN until an Initiator has been added to the Initiator Group Step 1 Choose LUN Configuration Initiator Groups The Initiators window appears Step 2 Click an Initiator Group...

Страница 42: ... Create or click Cancel to return to the Initiator s Available LUN list The LUN appears in the Initiator s LUN list Step 6 Repeat Steps 4 and 5 for each preferred available LUN Note To unmap a LUN drag and drop it from the Initiator Group LUN list back to the Available LUNS list or follow the UnMap procedure in Chapter 4 2 4 Step 7 Click Back to Initiators to return to the Initiator Groups window ...

Страница 43: ...iator Group before attempting to delete it to avoid data loss Step 1 Choose LUN Configuration Initiator Groups The Initiators window appears Step 2 Click an Initiator Group to highlight it and right click The right click menu appears Step 3 Choose Delete Group A delete verification dialog box appears Step 4 Click Delete Group or click Cancel to return to the Initiators list ...

Страница 44: ...4 10 Cisco UCS Invicta C3124SA Appliance Administration and Configuration Guide OL 31370 01 Chapter 4 LUN Configuration ...

Страница 45: ...TB or less to use Async Replication During Async Replication pairing creation if the source device is a LUN then the target device must also be a LUN Using target entities in Read Write mode is not recommended as this poses a risk to the accuracy of the data replication and may corrupt data recovery Before using the Asynchronous Replication feature make sure that no LUN names use Snapdiff1_xyz to ...

Страница 46: ...mote replication site For LUNs Cisco supports open target Async Replication It can duplicate to the following platforms Cisco Array Linux systems Linux LVM Linux RAW Windows 2008 R2 or later Server editions Table 5 1 lists the releases that are supported for LUNS Instructions for each platform follow Cisco to Cisco Cisco to Cisco Async Replication is preconfigured and is complete To create a pairi...

Страница 47: ... service sshd start If you need Multipath support for future use configure etc multipath conf file on your storage device from the other storage vendor as your target LUN 5a Make sure public key is there in the ssh folder cd chmod 755 ssh chmod 600 ssh authorized_keys Do a cat authorized_keys and make sure the public key is copied there exec usr bin ssh agent SHELL ssh add 5b As the Linux root use...

Страница 48: ...h directory Step 4 Enter vi authorized_keys Step 5 Paste the Cisco Public Key copied in Step 2 into the authorized_keys list and click Enter See the following sample procedure to configure a Linux Host to be used as a Linux Open Target partner for Async Replication Sample Procedure Note This example uses CentOS 6 2 You need the following Install Openssh server and clients yum y install openssh ser...

Страница 49: ...trator and open a browser to go to Cisco page Step 2 Choose Async Replication Pairings The Async Replication window appears Step 3 Click Windows Installer Note This step is to be used if Cygwin packages and services sshd and cyg_server are not already installed on the Windows Partner Host If the Cygwin packages and services are already installed skip to Step 4 The software package is downloaded an...

Страница 50: ... a table of LUNs and their host pairings Information about and the date and time of the last replication and the last restore is also displayed From this window create new pairings using the top left hand window button On mouse hover over each pairing the replication schedule and the source and target device info for that pairing appears in a pop up box On right click an options menu appears for t...

Страница 51: ... Step 2 Mouse over an Async Replication pairing to highlight it and right click The right click menu appears Step 3 Choose Delete The Delete Async Replication Pair confirmation dialog box appears Table 5 2 Pairing Definition Fields Pairing Definition Field Description LUN Choose LUN for pairing Partner Host The IP address of the target server used for the replication Remote IDF Directory The direc...

Страница 52: ...n displays a checking indicator If the verification fails the associated Partner Host field turns red If the Target Device does not exist that field will turn red Update Partner Host To update an existing Partner Host do the following Step 1 Choose Async Replication Pairings The Pairings window appears Step 2 Mouse over an Async Replication pairing to highlight it and right click The right click m...

Страница 53: ...s window appears Step 2 Mouse over an Async Replication pairing to highlight it and right click The right click menu appears Step 3 Choose Schedule The Replication Schedule Setup dialog box appears Step 4 Complete the fields as described in Table 6 4 Threads Init Block Size MB Step 5 Do one or both of the following Note Entries with occurs every interval set to off on the drop down list are ignore...

Страница 54: ...fields appropriate to the restore the selection see Table 5 4 using the drop down lists or typing Name field Click Restore or click Cancel to return to the Async Replication window View Log File To view replication and restoration log files do the following Table 5 3 Schedule Replication Fields Field Description Threads Multiprocessing capability The higher the thread numbers the higher the throug...

Страница 55: ...Step 2 Mouse over an Async Replication pairing to highlight it and right click The right click menu appears Step 3 Choose View Log File The Replication Restoration Activity dialog box appears Step 4 Do one of the following Click Clear to clean the log for that specific pairing A confirmation dialog box appears Click OK to close the dialog box or click Cancel to return to the log ...

Страница 56: ...5 12 Cisco UCS Invicta C3124SA Appliance Administration Guide OL 25761 DRAFT Chapter 5 Asynchronous Replication ...

Страница 57: ...sign Roles Create a New User Account Step 1 Click Users User Accounts The User Accounts window appears Step 2 Click Create New User The Create New User dialog box appears Step 3 Complete the fields of the Create New User dialog box and click Create User The User Account Name that was input appears on the User Accounts list Assign or Unassign User Role Roles are created with specific permission set...

Страница 58: ...ctionality from the Unassigned Roles column to the Assigned Roles column or vice versa to Unassign user role Delete User Account To delete a user account do the following Step 1 Click Users User Accounts The User Accounts window appears Step 2 Choose a User Account and right click The right click menu appears Step 3 Choose Delete The Delete User confirmation box appears Step 4 Click Yes to delete ...

Страница 59: ...Assigned Unassigned Permission window appears Click Create Role to create a new role The Create New Role dialog box appears Input name for new role Click Create or click Cancel to return to the Roles window Step 3 Assign Unassign or modify permissions for a role using the drag and drop functionality to or from the Unassigned Permissions and the Assigned Permissions columns Note Assign and or unass...

Страница 60: ...x appears Step 4 Click Yes to delete the role or Cancel to return to the Roles window Change Password Tip The Administrator User should only use the default password for the initial configuration or initial log in A unique Login ID is needed so that the audit trail reflects a unique user Admin if unchanged will not distinguish between those logged using that default nameTo change passwords Step 1 ...

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