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Chapter 11: Implementing a Data Replication Plan

Recovering Replicated Data

Quantum DXi4500 User’s Guide

185

Recovering Replicated Data

There are two ways to recover replicated data:

•

•

Data Recovery

In the event that a NAS share has been destroyed or corrupted on the
original source system, the data recovery option recreates the share on a
target system that contained the replicated data. Once recovered, the
share is available for use on the target system.
For a list of major steps for recovering a NAS share, see

.

Figure 79 Major Steps for
Recovering a NAS Share

To recover a NAS share:

1

Access the remote management pages on the target system.

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Содержание DXi4500

Страница 1: ...Quantum DXi4500 6 66904 01 Rev C Quantum DXi4500 DXi Series User s Guide User s Guide User s Guide User s Guide...

Страница 2: ...n authorization of Quantum Corporation is prohibited by law and constitutes a punishable violation of the law TRADEMARK STATEMENT Quantum the Quantum logo DLT DLTtape the DLTtape logo Scalar and StorN...

Страница 3: ...Overview 1 Features and Benefits 3 Data Reduction 3 Data Deduplication 3 Compression 4 Space Reclamation 4 Remote Replication 5 DXi4500 System 6 Hard Drive Storage 6 HDDs 7 Network Attached Storage NA...

Страница 4: ...T 24 Data Deduplication Policy 25 Adaptive In line Data Deduplication Backup Window Not De fined 25 Deferred Processing Data Deduplication Backup Window De fined 25 Data Replication 26 Data Replicatio...

Страница 5: ...n 54 OST Configuration 61 OST Optimized Replication 70 Windows Domain Configuration 72 Access Control Configuration 79 Advanced Setting 82 Network Configuration 83 General 84 IP 85 Segmentation and Bo...

Страница 6: ...eplication for the First Time 137 Replication Configuration Steps 137 Directory File Based Replication 138 Directory File Based Replication NAS Configuration Steps 138 Replication Requirements 139 Acc...

Страница 7: ...oting 168 Downloading the System Diagnostics File 169 Common Problems and Solutions 170 Start up Problems 171 Hardware Problems 171 Ethernet Network Problems 172 Replication Problems 174 Temperature P...

Страница 8: ...Contents viii Quantum DXi4500 User s Guide Physical Characteristics 189 Performance Characteristics 192 Environmental Specifications 193 Glossary 197 Index 201...

Страница 9: ...re 6 DXi4500 System Front View 14 Figure 7 System Rear View 17 Figure 8 Hard Drive Carrier LEDs 19 Figure 9 Ethernet Port LEDs 20 Figure 10 Power Supply LED 21 Figure 11 Power Buttons 22 Figure 12 Log...

Страница 10: ...work IP Page 85 Figure 31 Network Segmentation and Bonding Page 88 Figure 32 System Date and Time Settings Page 92 Figure 33 Passwords Page 94 Figure 34 SSL Page 96 Figure 35 Install New Certificate P...

Страница 11: ...59 Target Role NAS Page 150 Figure 60 Directory File Based Targets Page 152 Figure 61 Target Role Actions Page 154 Figure 62 Software Page 156 Figure 63 System Diagnostics Page 158 Figure 64 DSET Pag...

Страница 12: ...7 Source Role NAS Page 183 Figure 78 Source Role NAS Settings Page 184 Figure 79 Major Steps for Recovering a NAS Share 185 Figure 80 Target Role NAS Page 186 Figure 81 Major Steps for Failing Back a...

Страница 13: ...Table 6 Data Reduced By Section 47 Table 7 System Details Section 47 Table 8 NAS Data Services Section 48 Table 9 System Status Information 48 Table 10 DXi4500 Model Number 49 Table 11 NAS Shares Sum...

Страница 14: ...ice Tickets 129 Table 23 Start up Problems 171 Table 24 Hardware Problems 171 Table 25 Ethernet Network Problems 173 Table 26 Replication Problems 174 Table 27 Physical Characteristics 190 Table 28 St...

Страница 15: ...is written for DXi4500 system administrators and field service engineers Note It is useful for the audience to have a basic understanding of UNIX and backup recovery systems Document Organization Fol...

Страница 16: ...agnostic tools and rebooting the system Chapter 10 Troubleshooting discusses problems you may encounter during the setup and operation of the DXi4500 system Chapter 11 Implementing a Data Replication...

Страница 17: ...able for damage arising from unauthorized use of the product The user assumes all risk in this aspect This unit is engineered and manufactured to meet all safety and regulatory requirements Be aware t...

Страница 18: ...Preface xviii Quantum DXi4500 User s Guide...

Страница 19: ...DXi4500 6 66910 Symantec Veritas Backup Exec OST Configuration Guide Provides information for setting up the DXi4500 for OST operation 6 66770 DXi4500 Command Line Interface CLI Guide Provides informa...

Страница 20: ...and locate manuals FAQs software downloads product updates and more in one convenient location Benefit today at http www quantum com ServiceandSupport Index aspx eSupport Submit online service request...

Страница 21: ...port Center United States 800 284 5101 toll free 949 725 2100 EMEA 00800 4 782 6886 toll free 49 6131 3241 1164 APAC 800 7826 8887 toll free 603 7953 3010 For worldwide support http www quantum com Se...

Страница 22: ...Preface xxii Quantum DXi4500 User s Guide...

Страница 23: ...on Space Reclamation Remote Replication DXi4500 System Hard Drive Storage Supported RAID Configurations DXi Advanced Reporting Overview The DXi4500 is Quantum s entry level disk backup solution that i...

Страница 24: ...ing Disk Retention for Backup Data The DXi4500 leverages Quantum s patented data deduplication technology U S Pat No 5 990 810 to dramatically increase the role that disk can play in the protection of...

Страница 25: ...cm Note Quantum recommends installing the DXi4500 system in a controlled or restricted area to prevent access by untrained personnel In addition Quantum recommends that system installation be performe...

Страница 26: ...Only a single instance of each blocklet is stored and references tags are made for all of the duplicate variable length blocks of data These references or tags are stored in an index for use later to...

Страница 27: ...is As best practice it is recommended that this process commences at least two hours after your backup job has completed on a daily basis It is far more efficient to process a day s worth of new data...

Страница 28: ...0 System This configuration provides a base amount of connectivity and data storage It includes the following features 1 system with 24GB RAM 1 RAID controller card 4 x 1GbE ports 2 2 TB to 4 4 TB dep...

Страница 29: ...for backup restore functions and improves confidence in completing the backup in the time allowed HDDs To optimize performance the DXi4500 uses hard disk drives HDDs The DXi4500 supports eight hard di...

Страница 30: ...a standard for remote file access from many computers at a time This protocol allows users with different platforms to share files without installing additional software This protocol is used with Wi...

Страница 31: ...fully trusted environment NFS Protocol The NFS Network File System protocol was originally designed by Sun Microsystems and allows all network users to access shared files stored on computers of diff...

Страница 32: ...lock level striping with two parity blocks distributed across all member disks Dual parity provided by a RAID 6 configuration ensures that your data retains full integrity even in the event of two har...

Страница 33: ...rks with all DXi Series disk backup systems DXi Advanced Reporting combines comprehensive performance data logging with powerful visual reporting and analysis tools to help you identify potential prob...

Страница 34: ...Chapter 1 DXi4500 System Description DXi Advanced Reporting 12 Quantum DXi4500 User s Guide...

Страница 35: ...peration of the DXi4500 hardware including DXi4500 System Hard Drive Carrier Indicators Ethernet Port Indicators Power Supply Indicators Turning On and Shutting Down the System DXi4500 System The DXi4...

Страница 36: ...User s Guide System Front Panel Features and Indicators Figure 6 shows the controls indicators and connectors located behind the optional rack bezel on the front panel of the system Table 1 describes...

Страница 37: ...operly shutting down the system may result in loss of data see Turning On and Shutting Down the System on page 21 Caution To shut down the system in the event of an emergency press and hold the power...

Страница 38: ...can be used to locate a particular system within a rack When one of these buttons is pushed the LCD panel on the front and the blue system status indicator on the back blink until one of the buttons...

Страница 39: ...port numbering label on the back of the system to help you determine the correct port connections Figure 7 shows the connectors located on the rear panel of the system Table 2 describes each item Figu...

Страница 40: ...for removal Blinks green amber and off Drive predicted failure Blinks amber four times per second Drive failed Blinks green slowly Drive rebuilding Steady green Drive online Blinks green three seconds...

Страница 41: ...status indicator green and amber Ethernet Port Indicators Each Ethernet port on the back panel has two LED indicators see Figure 9 Link Indicator green Continuously lit Indicates the port is connected...

Страница 42: ...es power supply failure Alternating green and amber When hot adding a power supply this indicates that the power supply is mismatched with the other power supply Replace the power supply that has the...

Страница 43: ...utting Down the System Quantum DXi4500 User s Guide 21 Figure 10 Power Supply LED Power supply indicator Turning On and Shutting Down the System To turn on the system press the power button located on...

Страница 44: ...Node Management on page 164 Shutting down the system can take up to 15 minutes Locating Serial Numbers You will need the system serial number at various times System Serial Number You need this numbe...

Страница 45: ...lication Recovering Data Network Segmentation Data Storage Presentation The DXi4500 can present itself to your host computers in two ways Network Attached Storage NAS OpenStorage OST Network Attached...

Страница 46: ...penStorage OST For Symantec NetBackup users another replication option is available for DXi4500 models through the Symantec Open Storage OST API Specific versions of NetBackup are required For more de...

Страница 47: ...p begins To use adaptive in line data deduplication clear the Enable Backup Window check box on the Add NAS Share page Note The data deduplication setting for OST storage servers is not configurable I...

Страница 48: ...ch to specific jobs For most user share and e mail backup for example the adaptive approach makes the most sense but when backing up a large active database where the primary concern is the shortest p...

Страница 49: ...ication Processes New DXi4500 Installations Directory File Based Replication OpenStorage OST Data Replication Requirements For data replication to operate Only NAS shares or OST storage servers with d...

Страница 50: ...nt on the metadata stored in the namespace file This file is updated after each replication that is completed successfully You must schedule replication to occur regularly and often or manually run re...

Страница 51: ...rectory File Based Replication is configured on both the Source and Target Configuring the directory file based replication consists of enabling Directory File Based Replication on both the source and...

Страница 52: ...e detailed information on data recovery see Recovering Replicated Data on page 185 This section is divided into the following sections Recovery Processes Recovery Requirements Recovery Features Recove...

Страница 53: ...FS NAS shares can only be recovered to identical NFS shares Recovery Features Up to 24 replicated versions of a NAS share can exist on the target system The 24 versions represent the 24 most recent re...

Страница 54: ...Data All ports ETH2 ETH3 ETH4 and ETH5 are bonded together for all traffic types Each segment Data Management and Replication requires a set of network settings on the IP page ETH2 Replication BOND A...

Страница 55: ...ple the user has a dedicated low bandwidth wide area network WAN that is used to manage network resources This network does not have the capacity for data and replication traffic Replication is betwee...

Страница 56: ...Chapter 3 DXi4500 Concepts Network Segmentation 34 Quantum DXi4500 User s Guide...

Страница 57: ...us of all system components Chapter 5 DXi4500 Configuration allows you to set up information about the DXi4500 system such as NAS shares network configuration date and time settings and passwords Chap...

Страница 58: ...lowing Internet browsers Note For correct operation of the software disable any pop up blockers and enable JavaScript in your Web browser Windows IE 6 x or later Firefox 2 x or later Linux Firefox 2 x...

Страница 59: ...ulative Replication Statistics Total Data Sent Total Bytes Sent Average Send Rate Total Bytes Received Average Receive Rate Quick Status Hostname IP Address Capacity Available Used Data reduced by NAS...

Страница 60: ...ummary Add Edit Delete LSU Summary Add Edit Delete OST Client Plug In Windows Domain Domain Type Active Directory Workgroup Domain Workgroup Name Primary Domain Controller Organizational Unit Administ...

Страница 61: ...Address Primary DNS IP Address Secondary DNS IP Address Tertiary DNS IP Address Segmentation and Bonding Segmentation Bonding Date Time Manual Use NTP Timezone Time Format Security Passwords Monitor...

Страница 62: ...Send Email Home Schedule On Demand SNMP Destinations Summary Add Edit Delete Community Summary Add Edit Delete Test Send Contacts Company Company Information Primary Primary Contact Information Secon...

Страница 63: ...RAID Ethernet Data Deduplication Ingest Disk Usage Alerts Menu Alerts Admin Alerts Service Tickets Data Services Menu Space Management General Start Stop Refresh Schedule No Schedule Daily at Weekly o...

Страница 64: ...Name or IP Address Replicated Snapshots NAS Replicated Shares Recovery Jobs Failback Jobs Directory File Based Targets Actions Replication Performance Reports Replication Report Utilities Menu Softwa...

Страница 65: ...ore than 30 minutes default setting the system logs off the user 1 On the host computer open the Internet browser software 2 In the Address field type http IPaddress where IPaddress is the IP address...

Страница 66: ...monitor user is allowed to view the DXi4500 system management pages but cannot change them Administrator password The administrator user can both view and change the management pages Multiple adminis...

Страница 67: ...tus System status buttons Quick status Using the DXi4500 Web Pages The first page that displays after you login to the DXi4500 web pages is the system Home page see Figure 13 Note Disk statistics are...

Страница 68: ...tion Contents Section The contents frame displays the DXi4500 main menu Click a menu item to display the corresponding management pages Table 5 Quick Status Section Quick Status Section The quick stat...

Страница 69: ...ls section displays general system information such as the software version serial number and model number see Model Number on page 49 The Data Reduction Statistics area displays the amount of data in...

Страница 70: ...displays the NAS Replication page Table 9 System Status Information System Status Buttons The system status buttons display at the top of the Home page Disk Usage The quick status section displays the...

Страница 71: ...it may appear that your system is using more space than expected Space is only reclaimed as necessary to allow for optimal performance in the event you need to restore your data Model Number The Model...

Страница 72: ...d compressed they will not be completely up to date until all data that is eligible for deduplication is processed by the data deduplication and compression engines Cumulative Replication Statistics T...

Страница 73: ...sent or received in MB second divided by the amount of time required to complete replication or failback Note The Cumulative Replication Statistics can be cleared on the Source Role Actions and the T...

Страница 74: ...Chapter 4 DXi4500 Remote Management Cumulative Replication Statistics 52 Quantum DXi4500 User s Guide...

Страница 75: ...on Security Configuration Email Configuration SNMP Configuration Contacts Configuration To access the Configuration pages from the contents frame click the Configuration menu NAS OST Configuration The...

Страница 76: ...te If this is a Windows NAS share you must configure the Windows domain see Windows Domain Configuration on page 72 prior to creating your NAS share Caution Filenames on NAS shares are limited to a le...

Страница 77: ...e Name Protocol Export Path Data deduplication Backup Window Permissions Access and Description column headings to sort the rows in the media by the data in the respective column Click the column head...

Страница 78: ...data deduplication setting Enabled or Disabled for the NAS share Backup Window This column displays if enabled the time window where data deduplication will not be used Permissions This column displa...

Страница 79: ...e as the default permissions for a Windows 2003 share with the addition of an ACE Access Control Entry that permits full access to the share for all authenticated users Administrators can choose to re...

Страница 80: ...res only Export using CIFS Select CIFS protocol for use on a Windows network Export using NFS Select NFS protocol for use on a Linux network Enable Data Deduplication Enable data deduplication to opti...

Страница 81: ...ss to this share Hide this share from network browsing CIFS shares only Enable Backup Window and Allow all hosts to access this share options can be edited 4 Click Apply Note If you modify a NAS share...

Страница 82: ...from network browsing CIFS shares only Enable Backup Window Select Enable Backup Window to enable data deduplication for a particular time period By default Enable Backup Window is not enabled Allow...

Страница 83: ...NAS share The NAS share is deleted OST Configuration Use the OST Open Storage Technology page to configure storage servers and also LSUs Logical Storage Units To access the OST page 1 From the NAS OS...

Страница 84: ...read in parallel For example a policy that is backing up A B C and D drives of a Windows system can generate four data streams in parallel To access the Storage Servers page 1 From the OST page click...

Страница 85: ...domain see Windows Domain Configuration on page 72 prior to creating your storage server 1 From the Storage Servers page click the Add tab The Add Storage Server page displays see Figure 19 Note To ed...

Страница 86: ...ill close all active connections to the storage server Most Windows workstations will automatically reconnect but some applications may be affected Note When using OST with network segmentation I O mu...

Страница 87: ...rs page displays see Figure 20 Export using CIFS Select CIFS protocol for use on a Windows network Export using NFS Select NFS protocol for use on a Linux network Allow all users to access this share...

Страница 88: ...rvers containing active connections non zero current connections and storage servers containing LSUs cannot be deleted 3 Click Apply to delete the selected storage server The storage server is deleted...

Страница 89: ...Xi4500 User s Guide 67 Figure 21 LSU Summary Page Adding or Editing a LSU To add or edit an LSU 1 From the LSU page click the Add tab The Create LSU page displays see Figure 22 Note To edit an LSU cli...

Страница 90: ...ns can be edited Physical Capacity cannot be edited when the storage server in which this LSU is created has active connections 3 Click Apply Note When using OST with network segmentation I O must be...

Страница 91: ...s before deleting the LSU from the DXi4500 To delete an LSU 1 From the LSU page click the Delete tab The Delete LSU page displays see Figure 23 Figure 23 Delete LSU Page 2 Select the Storage Server 3...

Страница 92: ...Client Plug In Page OST Optimized Replication The Quantum DXi4500 has the capability to copy data from one appliance to another appliance NetBackup uses this capability to initiate optimized data mov...

Страница 93: ...file before optimized duplication is attempted The target system must be configured to enable replication using NetBackup OST optimized copy see Chapter 8 DXi4500 Data Services Initiating Optimized C...

Страница 94: ...ation console NetBackup Management Right click the image and start a duplicate operation This will open a duplication window showing the default target storage units and other options Change the targe...

Страница 95: ...lete a domain For detailed information see the following sections Joining a Windows Workgroup Joining a Windows Domain Joining a Domain Using a Domain User Credential Troubleshooting ADS Join Issues J...

Страница 96: ...ws Domain information as desired see below Domain Type Select Active Directory Domain Workgroup Name Enter the domain name Primary Domain Controller Enter the fully qualified name of the Primary Domai...

Страница 97: ...o delegate a normal domain user account with special rights to join the domain The purpose of this section is to provide an example of delegating a normal domain user account with special rights to jo...

Страница 98: ...box Create selected objects in this folder Next Check box Property specific Scroll down the list and check the boxes for Read dNSHostName Write dNSHostName Read servicePrincipalName Write servicePrinc...

Страница 99: ...nal There is usually a default organizational unit such as Computers If you want to join to an organizational unit that is different from the default then enter the name of that organizational unit as...

Страница 100: ...Time on the local server date Make sure the time difference is less than 300 seconds 5 Make sure the username exists in the ADS Test by logging in the Kerberos server kinit user1 ABC DEF XYZ COM Note...

Страница 101: ...mand The CLI command is not officially supported You can run nastool without options to show the syntax Note that certain subcommands require a password If you do not type the password option you will...

Страница 102: ...i4500 User s Guide Figure 26 Access Control Page 2 Click Add to add a workgroup user Note To edit a workgroup user click the user name link on the Summary page or click the Edit tab The Add Workgroup...

Страница 103: ...r Confirm Password Enter the password again to confirm it Description optional Enter a description for the workgroup user optional Grant Administrator Privileges Select this check box to add the workg...

Страница 104: ...from the source system do not exist on the target system Often users and groups are unique to a particular scope such as a Windows system or an ADS domain As a result some assigned permissions might...

Страница 105: ...heck box 3 Click Apply Network Configuration The network configuration information was entered during the initial setup of the DXi4500 Consult your network administrator prior to changing any of the i...

Страница 106: ...and wait 15 minutes before logging in again If the IP address that you use to log in to the system is changed you will temporarily lose your connection to the remote management pages Because of this...

Страница 107: ...irst domain name listed is used as the local domain Domain names must contain only letters A Z or a z numbers 0 9 dots and hyphens 4 Click Apply IP Use the IP tab to set the network IP addresses for t...

Страница 108: ...is improved because the data traffic is contained on this segment and not visible to the outside network Note If your system is configured using network segmentation you must use the data segment IP...

Страница 109: ...te Print out Table 17 on page 91 to gather the network configuration information for your configuration Using Round Robin Mode 0 With a Dell or CISCO Switch If you are using the Round Robin Mode 0 opt...

Страница 110: ...l port That is multiple ports that are bonded together behave like a single port and require one set of network settings Ports that are bonded together in the currently selected segmentation option ar...

Страница 111: ...nagement All Data traffic takes place on ports ETH3 ETH4 and ETH5 Management and Replication traffic take place on port ETH2 Each traffic type Data Management and Replication requires a set of network...

Страница 112: ...tch that is connected to your system to use the same bonding mode The best time for you to change the bonding mode on your switch will be during the next reboot of your system after you have saved the...

Страница 113: ...Data IP Address Netmask Gateway IP Address Netmask Gateway IP Address Netmask Gateway ETH2 Replication ETH3 ETH4 ETH5 Management Data ETH 2 IP Address Netmask Gateway ETH3 ETH4 ETH5 IP Address Netmas...

Страница 114: ...1 From the Configuration menu click the Date Time tab The System Date and Time Settings page displays see Figure 32 Figure 32 System Date and Time Settings Page 2 There are two options for setting th...

Страница 115: ...ect the Timezone 4 Select the desired time format 24 hours or 12 hours 5 Click Apply Security Configuration To access the Security page from the Configuration menu click the Security tab The Security...

Страница 116: ...the desired password in the New Password field and again in the Confirm New Password field Note The passwords are limited to 15 characters 3 Click Apply 4 Under Administrator Password enter the desire...

Страница 117: ...and pass phrase Once you install these components you can establish a secure connection using the SSL protocol The DXi4500 comes with a SSL certificate In addition you can purchase other certificates...

Страница 118: ...og box displays click the link at the bottom of the dialog box and follow the instructions to add an exception for your DXi4500 Configuring SSL To access the SSL page 1 From the Security page click th...

Страница 119: ...ll the SSL certificate file 6 Type your private key and press Enter 7 Type your pass phrase and press Enter A Successful Upload page displays indicating that the SSL certificate file has been installe...

Страница 120: ...Timeout 1 to 60 minutes and click Apply The inactivity timeout value is set Email Configuration Use the Email page to specify e mail server settings as well as recipients who should be contacted when...

Страница 121: ...o enable the DXi4500 to send notifications to recipients you must configure the e mail server settings see Server on page 101 To access the Recipients page 1 From the Email page click the Recipients t...

Страница 122: ...n and performance of the DXi4500 is degraded and there is a risk of impending system failure or data loss High and Medium Send e mail notifications for High and Medium service tickets Medium service t...

Страница 123: ...page to edit the outgoing e mail server information 1 From the Email page click the Server tab 2 Enter the Host Name or IP Address for the outgoing e mail server for example the DNS name 3 Enter the r...

Страница 124: ...mation System serial number Date and time A message with the e mail origin that informs the user it is an automated e mail and that they should not respond to it To access the Email Home page from the...

Страница 125: ...type of report to send Status Data or Configuration Data 3 In the Send To box specify the e mail address where you want to send the report 4 Click Send SNMP Configuration SNMP is short for Simple Net...

Страница 126: ...Figure 38 Trap Destination Configuration Page To add an SNMP destination 1 From the Destinations page click the Add tab 2 Enter the IP Address that will receive the traps generated by the DXi4500 for...

Страница 127: ...the Community tab The SNMP Community Configuration page displays see Figure 39 Figure 39 SNMP Community Configuration Page To add a community 1 From the Community page click the Add tab Available If s...

Страница 128: ...only from 10 40 166 87 10 40 166 87 10 40 166 87 Allows access only from 10 40 166 87 10 40 166 87 10 40 166 0 Invalid because the logical bitwise operation address AND mask is not equal to the addres...

Страница 129: ...t page to send a test SNMP trap To send a test SNMP trap 1 From the SNMP page click the Test tab 2 Select an SNMP destination 3 Click Send to send a test SNMP trap The test trap is sent Verify the des...

Страница 130: ...to enter company specific information 1 From the Contacts page click the Company tab 2 Edit the company information as desired see Table 19 for a description of the fields 3 Click Apply Table 19 Compa...

Страница 131: ...e state where the company is located Postal Code View or edit the postal code Country View or edit the country where the company is located DXi4500 Location View or edit the physical location of the D...

Страница 132: ...ary secondary contact street address City View or edit the primary secondary contact city location State View or edit the primary secondary contact state location Postal Code View or edit the primary...

Страница 133: ...are as well as performance information The status information is polled by the system every two minutes To access the Status pages from the contents frame click the Status menu Use the Status pages to...

Страница 134: ...and temperature of the system To access the Hardware page from the Status menu click the Hardware tab The Hardware Status page contains the following tabs Summary Details Firmware Version Summary The...

Страница 135: ...ge from the Hardware page click the Details tab The Details page contains the following tabs System 1 View hardware details for the following components System Board Network Ports Common View hardware...

Страница 136: ...been removed Down The system is not connected Network Ports Each system contains four Ethernet ports Each Ethernet port is shown in the Name column The speed of the port is shown in the Value column...

Страница 137: ...re page click the Firmware Version tab The table displays the following columns Name Displays a hardware component or a property of the component for example Manufacturer Version or Release Date Note...

Страница 138: ...CPU performance in a dynamic graph Horizontal axis Seconds 100 0 seconds Vertical axis Data in Percentage 0 100 Vertical bars represent approximately 1 second intervals Moving your mouse over a bar w...

Страница 139: ...s 100 0 seconds Vertical axis Amount of Read Write 0 100 OPS sec Values exceeding the vertical axis max are shown in brighter green Vertical bars represent approximately 1 second intervals Moving your...

Страница 140: ...l axis max are shown in brighter green Vertical bars represent approximately 1 second intervals Moving your mouse over a bar will display its value You can monitor a specific port or an average of all...

Страница 141: ...dynamic graph Horizontal axis Minutes 60 0 minutes Vertical axis Data in MB Vertical bars represent 1 minute intervals Moving your mouse over a bar will display its value You can select the time peri...

Страница 142: ...Seconds 100 0 seconds Vertical axis Data in MB 0 1000 MB sec Values exceeding the vertical axis max are shown in brighter green Vertical bars represent approximately 1 second intervals Moving your mou...

Страница 143: ...a percentage of the total capacity in the system Available space is divided into the following categories Note The value for each category is displayed as an amount and as a percentage of the total ca...

Страница 144: ...uplicated Data not intended for data deduplication The amount of data that will NOT be deduplicated System metadata The area on the system that is occupied by the system metadata Data Reduction The da...

Страница 145: ...plication and compression engines Total Reduction Ratio The total reduction ratio of all existing data that has been processed by the data deduplication and compression engines calculated by dividing...

Страница 146: ...Chapter 6 DXi4500 Status System 124 Quantum DXi4500 User s Guide...

Страница 147: ...e Alerts page from the contents frame click the Alerts menu The Alerts page contains the following tabs Admin Alerts Service Tickets Admin Alerts Admin alerts are generated by the system when the cond...

Страница 148: ...t Last Update and Summary column headings to sort the rows in the report by the data in the respective column Click the column heading again to invert the sorting sequence from ascending order to desc...

Страница 149: ...ies the DXi4500 Web pages Note Tickets that are not resolved are generated again after 24 hours Note You must complete e mail configuration see Email Configuration on page 98 before service tickets ca...

Страница 150: ...any time a user may contact Quantum customer support for assistance or if the user is concerned about what specific actions to take Viewing Service Tickets Viewing service tickets can be performed by...

Страница 151: ...nding order Table 22 Service Tickets Column Description Ticket Service ticket numbers Request ID Request ID for the ticket State Current status of the service ticket Open or Closed Priority Severity l...

Страница 152: ...formation about the problem Note The time indicated in the service ticket may not match the DXi4500 system time Most service tickets also include a View Recommended Actions link Click the link opens a...

Страница 153: ...o view the current status of a problem reported by the DXi4500 All modified entries are kept with the ticket number and ticket summary when the service ticket is closed 1 View a service ticket and sho...

Страница 154: ...ter an e mail address where the service ticket should be sent b Optional In the Comment box enter a comment to send with the service ticket c Click Send Closing Service Tickets Closing service tickets...

Страница 155: ...gement Data Replication Space Management When data deduplication is enabled on the DXi4500 it is not possible to accurately predict the amount of storage space required because the data deduplication...

Страница 156: ...tion activity and the source systems that were replicating to this system resume To access the Space Management page from the Data Services menu click the Space Management tab The Space Management pag...

Страница 157: ...clamation Completed Space reclamation has completed without errors Reclamation Started by User Space reclamation has been started manually by a user Reclamation Interrupted Space reclamation has been...

Страница 158: ...em the tags need to be removed from the block pool so the space can be used for additional reference tags To schedule space reclamation 1 From the Space Management page click the Schedule tab The Sche...

Страница 159: ...tely after a new share has been created be sure to replicate the namespace using the on demand Replicate Now function for each share as soon as it is created and before any data is written to it This...

Страница 160: ...e replicated instead of the entire NAS share After Directory File Based Replication NAS share files are automatically recovered on the Target system You may also initiate a synchronization from the So...

Страница 161: ...representing files with a high probability of being replicated for example NAS shares marked for replication are queued for replication after data deduplication is complete without regard to the repli...

Страница 162: ...e You must configure the target system prior to configuring the source If the target system is not configured first you will not be able to designate the replication target Note You MUST have at least...

Страница 163: ...Role Performance information displays the following statistics Total Data Sent This field indicates the original native size of the data transferred during replication or failback This does not indic...

Страница 164: ...NAS page to select and configure NAS shares for replication To replicate NAS shares 1 From the Source Role page click the NAS tab The Source Role NAS page displays see Figure 55 Figure 55 Source Role...

Страница 165: ...queued and waiting for another job to complete before beginning Success The replication job was completed successfully Failure The replication job was not completed The synchronization status can disp...

Страница 166: ...e Abort Caution If a system fails during a replication job the replication job must be restarted The NAS share replication process begins The status of the current replication displays in the Status a...

Страница 167: ...assign the NAS share on the Source system a Sync ID so it can be replicated automatically to the Target system To assign the NAS share a Sync ID 1 Select the NAS share from the Source Role NAS page a...

Страница 168: ...ons page to pause or resume the replication service and enable or disable the replication state If you need to add delete or change a replication Target you must first pause replication service from t...

Страница 169: ...can be as large as 250 MB the process of completing the current block replication can take up to 15 minutes to complete Once that block has completed replication the system will pause and wait to res...

Страница 170: ...xes then click Apply For more information see Source Role NAS Configuration on page 142 Source role performance data includes statistics gathered while replicating or failing back shares to target sys...

Страница 171: ...Source Average Receive Rate The average rate at which actual bytes are being received over the network from the corresponding Allowed Replication Source 2 Enter the Host Names or IP Address for the re...

Страница 172: ...m the drop down box 3 Click Apply Target Role NAS Configuration Use the Target Role NAS page to select and perform actions on replicated NAS shares such as Recover Failback or Delete replicated NAS sh...

Страница 173: ...recovered NAS share from the replicated share list and click Recover The NAS share is recreated on the source system You can view details about previously completed failback jobs or abort a failback j...

Страница 174: ...in the Directory File Based Targets page To configure the Directory File Based Target 1 From the Target Role NAS page click the Directory File Based Targets tab The Directory File Based Targets page...

Страница 175: ...s only Your specific post backup script may differ from the examples below Note You will be prompted for a password on the remote host Alternately you can copy the authorized_keys generated from the r...

Страница 176: ...the Reports page to generate and download a zip file containing csv comma separated value files suitable for importing into a spreadsheet The replication report contains a namespace replication summar...

Страница 177: ...as well as generating and downloading diagnostic files The Utilities pages also allow you to reboot or shut down the DXi4500 To access the Utilities pages in the contents frame click the Utilities men...

Страница 178: ...Software page displays see Figure 62 Figure 62 Software Page 2 Type the location and filename of the new software image or click the Browse button and locate the new software image 3 Click Upload to p...

Страница 179: ...l when troubleshooting problems on the system Have the diagnostic files available prior to contacting Quantum customer support To access the Diagnostics page 1 From the Utilities menu click the Diagno...

Страница 180: ...newly generated diagnostics file click Download Current A dialog box displays asking if you want to open or save the file 5 Click Save or OK to download the file DSET DSET is a hardware diagnostic uti...

Страница 181: ...ke several minutes 3 To download the newly generated DSET report file click Download Report A dialog box displays asking if you want to open or save the file 4 Click Save or OK to download the file Th...

Страница 182: ...ecks page contains the following tabs General Healthchecks Status Healthchecks Schedule General The General page displays the overall status of all the healthchecks as they are being run Use this page...

Страница 183: ...dule Use the Healthchecks Schedule page to configure the DXi4500 to automatically run a healthcheck This allows users to control the frequency at which the healthchecks are run The schedule applies to...

Страница 184: ...rk page to measure network performance with another system To access the Network page from the Analyzer page click the Network tab The Network page contains the following tabs Performance Settings Per...

Страница 185: ...a local host to use this feature Note Network performance clients such as NetPerf for Windows and Linux are available from the Internet To enable or disable NetServer 1 From the Network page click the...

Страница 186: ...ys see Figure 67 Figure 67 Node Management Page 2 Under Select Node Action select an action Reboot This action restarts the DXi4500 Rebooting the system closes the Web browser connection You must log...

Страница 187: ...Turning On and Shutting Down the System on page 21 License Keys Use the License Keys page to display the license keys installed on the system 1 From the Utilities menu click the License Keys tab The L...

Страница 188: ...nstalled on all DXi4500 models Replication Enables replication capability License key is pre installed on all DXi4500 models OST Enables the Open Storage Technology OST connection License key is pre i...

Страница 189: ...ists of the following sections DXi4500 Problem Reporting Using DXi4500 Status Page for Troubleshooting Common Problems and Solutions Service Tickets DXi4500 Problem Reporting The DXi4500 reports statu...

Страница 190: ...ticket the DXi4500 opens a service ticket for the component and reports the problem in a service ticket If the problem reoccurs the DXi4500 logs the number of times that it detects the problem in the...

Страница 191: ...a link to see detailed information on specific component status Downloading the System Diagnostics File The DXi4500 system allows you to download a system diagnostics file to your local host This file...

Страница 192: ...file This can take several minutes 3 To download the newly generated diagnostics file click Download Current A dialog box displays asking if you want to open or save the file 4 Click Save or OK to do...

Страница 193: ...xx Hardware Problems Table 24 describes corrective actions for problems occurring with the system hardware Table 24 Hardware Problems Problem Corrective Action The system does not power on Make sure t...

Страница 194: ...led by reading the service ticket generated by the system Contact your Quantum Customer Support representative to arrange for service see Getting More Information or Help on page xx Multiple fans are...

Страница 195: ...k light on the switch or hub is not lit when a cable is connected to DXi4500 system Check to make sure the Ethernet cable is not a cross over cable Use only straight CAT 6 Ethernet cables Port on the...

Страница 196: ...the associated Ethernet port A Service ticket will be issued The possibility of errors exist data corruption will not occur Reconnect the cable as soon as possible It is not necessary to power the sy...

Страница 197: ...normal When a replication is paused an alert is generated on the Replication Events page They system will continue the replication when you click Resume Replication was disabled while a replication wa...

Страница 198: ...e xx Service Tickets The DXi4500 system can generate service tickets which can be used to resolve a problem To access the Service Tickets page 1 Access the DXi4500 remote management pages see Accessin...

Страница 199: ...The Ticket Details display at the bottom of the screen see Figure 72 Figure 72 Ticket Details Ticket details 4 To see information about the actions you can to take to resolve the ticket click the View...

Страница 200: ...Chapter 10 Troubleshooting Service Tickets 178 Quantum DXi4500 User s Guide Figure 73 Recommended Actions Window 5 Follow the instructions on the Recommended Actions window to resolve the problem...

Страница 201: ...an be quickly recovered from the remote system allowing your business to resume normal operations The following sections provide information on setting up data replication and also recovering replicat...

Страница 202: ...can be replicated from a source system to a target system the target must be authorized to receive data from a specific source To authorize a target system to receive data from a source you must add t...

Страница 203: ...of the replication source systems on the target system allows the target to receive replicated data from these sources Setting Up the Source DXi System Once you have added the source system hostname...

Страница 204: ...neral Page 3 Enter the Host Name or IP Address for the replication target and click Apply The source system can now replicate data to a target system Enabling and Running Replication Now that both the...

Страница 205: ...s see Chapter 3 DXi4500 Concepts 2 From the Source Role page click the NAS tab The Source Role NAS page displays see Figure 77 Figure 77 Source Role NAS Page The Source Role NAS page displays the avai...

Страница 206: ...o run after backups are complete If you do not enable scheduled replication replication will only occur if you manually run it or if you configure Directory File Based Replication see Source Role NAS...

Страница 207: ...t a NAS share has been destroyed or corrupted on the original source system the data recovery option recreates the share on a target system that contained the replicated data Once recovered the share...

Страница 208: ...e The Target Role NAS page displays the available NAS shares that have been replicated The page also displays information on failback jobs 4 To recover a NAS share select the NAS share and click Recov...

Страница 209: ...d to the source system it can be recovered on the source system and returned to normal operation For a list of major steps for failing back a NAS share see Figure 81 Figure 81 Major Steps for Failing...

Страница 210: ...hostname is allowed ONLY if DNS is configured with valid system names If DNS is not configured with valid system names use the IP address of the source system 5 Enter the hostname or IP address for th...

Страница 211: ...s Performance Characteristics Environmental Specifications Note For hard drive specifications see the appropriate hard drive product manual Physical Characteristics The following tables provide dimens...

Страница 212: ...Required 2u Air clearance Open 4 in 10 2 cm behind unit for proper air flow Table 28 Storage Capacity DXi4500 Storage Capacity Usable capacity 2 2 TB to 4 4 TB Table 29 Cable Drops DXi4500 Cable Drop...

Страница 213: ...licated on ingest Deferred Processing Data Deduplication Data is ingested to disk first then deduplicated in a separate process at a time set by the user Replication DXi4500 models offer support for r...

Страница 214: ...4500 to a UPS uninterruptable power supply Performance Characteristics Table 33 lists the performance characteristics of the DXi4500 system DXi4510 Inrush 2 2A 100V 0 92A 240V 220W Typical 2 0A 100V 0...

Страница 215: ...ications Climatic Environment Temperature and Altitude Operating 10 to 35 C 50 to 95 F 35 C Max Altitude 900 m or 2952 75 ft 28 C Max Altitude 3048 m or 10 000 ft Shipping and storage 40 to 65 C 40 to...

Страница 216: ...Class A Immunity EN55024 KN24 EN 61000 3 2 Harmonic current emissions test EN 61000 3 3 Voltage fluctuations and flicker in low voltage supply systems test EN 55024 1998 Information technology equipm...

Страница 217: ...er s Guide 195 Caution The DXi4500 system is designed to be installed in a rack enclosure Ensure that the operating temperature inside the rack enclosure does not exceed the maximum rated ambient temp...

Страница 218: ...Appendix A DXi4500 System Specifications 196 Quantum DXi6500 User s Guide...

Страница 219: ...Block Pool A pool of all unique data blocks that were captured during the data deduplication cycle When backup jobs occur the data deduplication engine searches for new data entering the DXi4500 and...

Страница 220: ...closed and data deduplication is re enabled the data that was moved during the backup windows is now deduplicated on the DXi4500 The advantage of deferred processing data deduplication is that backup...

Страница 221: ...R RAID Redundant Array of Independent Disks is a technology through which several physical storage disks are grouped into an array that appears to an operating system as one or more physical devices S...

Страница 222: ...Glossary 200 Quantum DXi4500 User s Guide...

Страница 223: ...n adaptive in line 25 deferred processing 25 data reduced by section 47 data replication 137 data services data replication 137 space reclamation 133 date and time configuring 92 deferred processing d...

Страница 224: ...ocking 82 P performance specifications 192 problem reporting 167 problems Ethernet 172 hardware 171 replication 174 start up 170 171 temperature 175 protocol CIFS 8 NFS 9 Q quick status section 46 R R...

Страница 225: ...wsers 36 system CPU 116 data deduplication 118 disk usage 120 Ethernet 117 RAID 116 status 115 system details section 47 system status buttons 48 system status page 128 T target role 148 153 NAS 150 T...

Страница 226: ...Index 204 Quantum DXi4500 User s Guide...

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