IBM Tivoli Storage Manager for UNIX and Linux Backup-Archive ...

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PasswordAccessDomaingenerate/wpars/wpar2/dataSErvername shimlaTCPPort 1500TCPServeraddress clinton.storage.sanjose.ibm.comnodenameshimlaPasswordAccess generateDomain/home /optBacking up Solaris Zettabyte (ZFS) file systemsOn Solaris SPARC and x86 systems, ZFS is a transactional file system, whichmeans that the file system state is always consistent on disk. ZFS also uses theconcept of storage pools to manage physical storage.You can create a ZFS snapshot using the following command:zfs snapshot tank/myZFS@mySnapshotIn this example, the ZFS pool name is tank and the ZFS file system name is myZFS.Files which belong to this ZFS snapshot can be found in the subdirectorytank/myZFS/.zfs/snapshot/mySnapshot/. This directory is read-only and for thisreason it is excluded by default backup or archive operationsThere are two possible ways to back up this ZFS snapshot:1. Back up each file of the snapshot by using the snapshotroot option, as in thefollowing example. This option allows the administrator to replace the currentsnapshot path with the ZFS file system path: dsmc inc -snapshotroot=/tank/myZFS/.zfs/snapshot/mySnapshot /tank/myZFS. Using the snapshotroot option,the files can be directly restored in the file system. If you have many changes inthe file system during a backup, a snapshot can be made first, and then theTivoli Storage Manager Backup-Archive Client can make a backup of the staticsnapshot.2. Another way is to back up the complete snapshot, using the followingcommand: zfs send tank/myZFS@mySnapshot > /tmpdir/mySnapshotFile. Usingthis command, the administrator can make a copy of the complete snapshotdata in a single file. This file can then be backed up by the Tivoli StorageManager Backup-Archive Client to the Tivoli Storage Manager Server, using thefollowing command: dsmc sel /tmpdir/mySnapshotfile. The advantage ofbacking up the complete snapshot is that the full file system can be restored ina disaster recovery case. The following command creates and restores thecomplete file system with the data of the snapshot: zfs receivetank/myZFS@mySnapshot < /tmpdir/mySnapshotFileRelated reference“Snapshotroot” on page 405Use the snapshotroot option with the incremental, selective, orarchive commandsin conjunction with a third-party application that provides a snapshot of a logicalvolume, to associate the data on the local snapshot with the real file space datathat is stored on the Tivoli Storage Manager server.Backing up AIX encrypted filesUse AIX JFS2 Encrypted File System (EFS) to back up files either in clear text orraw format. With clear text format, the file is decrypted by EFS as it is read. Withraw format, the data is not decrypted. The default is raw format, but when you setthe efsdecrypt option to yes, you get clear text backups.154 IBM Tivoli Storage Manager for UNIX and Linux Backup-Archive Clients Version 6.1: Installation and User’s Guide
Important: Whenever you run a backup that includes any files encrypted on anEFS, you must ensure that you use the correct specification of the efsdecryptoption. If the efsdecrypt option value changes between two incremental backups,all encrypted files on EFS file systems will be backed up again, even if they havenot changed since the last backup. For example, if you are running an incrementalbackup of encrypted files that were previously backed up as raw, then ensure thatefsdecrypt is specified as no. If you change efsdecrypt to yes, all the files will bebacked up again in clear text even if they are unchanged, so ensure that you usethis option carefully.If you attempt to restore an encrypted file to either a work station that does notsupport EFS, or a file system where EFS is not active, an error message is writtenand the file is skipped.Here are some reasons to back up EFS using clear text encryption:v This type of decryption is useful if you want to use the Tivoli Storage ManagerBackup-Archive Client encryption or another type of hardware encryption (fortape systems, for example).v You can use clear text for long term archival of data, because the data is storedindependent of the platform or encryption scheme.Here are some things to consider when backing up a file in clear text:v The user who invoked Tivoli Storage Manager must be able to decrypt itv The user can have read access to a file, but not have access to the keyIn the following scenarios an error message is issued:1. The user is running in root guard mode, and EFS has the concept of two typesof root. Root admin is the traditional mode. A root in guard mode will not haveaccess to the unencrypted data, unless the user is the owner or a member of thefile’s group.2. The user is running with a non-root user ID and attempting an archive of a fileto which they have read access, but the user is not the owner or member of thefile’s group. EFS will not allow the data to be decrypted.Here are some considerations when backing up EFS raw data:v Tivoli Storage Manager will not honor the client encryption setting, whichprevents double encryption, but only at the client. The server has no knowledgethat the data is encrypted so any encryption done by a tape drive, for example,still occurs.v Tivoli Storage Manager will not honor the compression setting, so the client willnot even try to compress the data.v Tivoli Storage Manager does not automatically back up or restore the keystorefiles. When you are restoring encrypted files, you might also have to restorekeystores in order to decrypt the data.Recommendations:1. To protect the keystore, make sure the contents of /var/efs are included inyour periodic backups.2. For the keystore data, use Tivoli Storage Manager storage policy with anunlimited number of versions.v Encrypted file system (EFS) files backed up in raw mode (default) cannot berestored by a Tivoli Storage Manager Client prior to Version 5.5, or by a clienton another UNIX platform.Chapter 4. Backing up your data 155
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Tivoli® Storage Manager for UNIX a
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NoteBefore using this information a
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Chapter 3. Getting started . . . .
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Snapshotroot . . . . . . . . . . .
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Figures1. Sample classic query sche
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86. Query Image command: Related op
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PublicationsTivoli Storage Manager
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Table 4. Tivoli Storage Manager Dat
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v- Online: Go to the Passport Advan
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xxIBM Tivoli Storage Manager for UN
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In the graphical user interface, me
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Refer to “Cluster environment con
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- Web client: 32 MB- Non-English la
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Communications methodsThis topic li
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Hardware requirementsThis section l
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equired or it is not available, ima
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Software requirementsThis topic lis
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IBM Tivoli Storage Manager Solaris
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If you are upgrading from a previou
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Table 7. AIX client: Language codes
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TIVsm.CLIENTContains the backup-arc
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Related conceptsChapter 2, “Confi
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Table 9. Linux on POWER client: Lan
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To install this languageNLS Polish
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4. To install the 64 Bit API and Ba
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Installing from the command line is
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Table 15. Mac OS X installation pac
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Table 15. Mac OS X installation pac
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Table 16. Installation package name
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Table 16. Installation package name
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Related conceptsChapter 2, “Confi
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Table 17. Root user, Authorized Use
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Creating and modifying the client s
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vor place it in a different directo
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v Enter one or more blank spaces be
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HP-UX, all Linux clients, and Solar
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Configuring the Web clientThere are
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Important: Running the client sched
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dsmc scheduleIf the Tivoli Storage
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Related tasks“Configuring the cli
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key is set, you can use server-init
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The Tivoli Storage Manager Server c
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Syntax for JournalSettings stanza:[
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NotifyBufferSize=0x00200000Preserve
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Cluster environment configuration a
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vvvvvThe tcpclientaddress option mu
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v Associate the schedule with the a
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Note: Ensure that you define the do
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Enabling Tivoli Storage Manager Web
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v Remove the clusternode option.v S
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If necessary, your Tivoli Storage M
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excludes system files, a list of su
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Table 20. Options for controlling p
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Table 21. Wildcard and other specia
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Table 23. Options for controlling s
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emaining include-exclude list from
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The current file being processed is
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Starting a GUI sessionClient access
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Related concepts“Options handling
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2. In the Preferences dialog under
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For Mac OS X clients, enter this co
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vEnding a sessionFrom the dsmc comm
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Page 130 and 131: Table 26. Planning your backups (co
Page 132 and 133: lanfreeshmportSpecifies the unique
Page 134 and 135: Related reference“Exclude options
Page 136 and 137: Related reference“Encryptiontype
Page 138 and 139: up from a VxFS file system will be
Page 140 and 141: In each of these cases, when you ne
Page 142 and 143: Tivoli Storage Manager can restore
Page 144 and 145: To perform a full or partial increm
Page 146 and 147: If you install the journal daemon a
Page 148 and 149: For NAS and N-Series filers running
Page 150 and 151: Related reference“Virtualmountpoi
Page 152 and 153: Table 29. Command line backup examp
Page 154 and 155: Important: When you delete backup f
Page 156 and 157: Related concepts“Restoring data f
Page 158 and 159: Setting up encryptionThere are some
Page 160 and 161: 4. The administrator defines a dsm.
Page 162 and 163: You must be a root user to perform
Page 164 and 165: mounted name. For example, if /dev/
Page 166 and 167: Method 1: Using image backup with f
Page 168 and 169: Table 31. Comparing incremental ima
Page 170 and 171: If you want to specify snapshot-bas
Page 172 and 173: Related concepts“NDMP support req
Page 174 and 175: Table 33. NAS options and commands
Page 176 and 177: Related reference“Snapdiff” on
Page 180 and 181: Backing up AIX JFS2 extended attrib
Page 182 and 183: Stored filesWhen you back up and ar
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Page 186 and 187: vvThe symbolic link is defined as a
Page 188 and 189: Manager client detects sparse files
Page 190 and 191: Related concepts“Displaying infor
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Page 194 and 195: vvvvvvRestoring the image of a volu
Page 196 and 197: Related reference“Imagetofile”
Page 198 and 199: Table 38. Backup set command-line r
Page 200 and 201: Restoring an entire or partial back
Page 202 and 203: Restoring an image to fileRelated r
Page 204 and 205: The GPFS RESTORE rule allows you to
Page 206 and 207: Related conceptsChapter 9, “Under
Page 208 and 209: Table 39. Sample WPAR restore comma
Page 210 and 211: Table 40. NAS options and commands
Page 212 and 213: Table 41. Command line restore exam
Page 214 and 215: 4. The client tells the server to r
Page 216 and 217: Related concepts“Restoring data t
Page 218 and 219: Related reference“Fromnode” on
Page 220 and 221: Related reference“Class” on pag
Page 222 and 223: Related tasks“Setting the client
Page 224 and 225: Related reference“Archive” on p
Page 226 and 227: 2. Expand the Directory tree by cli
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In this example, the client backs u
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10. Click Retrieve. The Retrieve De
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208 IBM Tivoli Storage Manager for
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schedule action is required to star
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for all clients. By default, the cl
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Setting the client scheduler proces
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Displaying information about schedu
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If the scheduled event does not com
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Suppose that most of the file syste
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# If necessary, the following varia
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Table 45. Scheduled client event st
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Output from scheduled commands is s
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Table 47. Client return codes and t
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Using management classes and copy g
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Copy typeCopy type is the type of t
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The value for this parameter can be
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To specify your own default managem
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vvYour administrator deletes the ma
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v TCP/IP (Mac OS X)v Shared memory
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Server optionsUse the servername op
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Table 52. Backup and archive proces
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Table 53. Restore and retrieve proc
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Table 54. Scheduling options (conti
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Table 58. Error processing optionsO
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5. Options received from the server
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Table 62. Client command options (c
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and examples of using the option on
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You can also use the asnodename opt
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The auditlogging command is not sup
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Successful incremental backup of '/
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Options FilePlace this option in th
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You can use backupsetname option wi
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Syntax►►CLASS =clientnas►◄P
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SHAREdmemUse the shared memory comm
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Syntax►► COMMRESTARTInterval se
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You can use the dateformat option w
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Options FilePlace this option at th
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ExamplesCommand line:dsmc archive "
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DirmcThe dirmc option specifies the
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►►DOMain▼all-localdomain-doma
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Domain.imageThe domain.image option
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DynamicimageUse the dynamicimage op
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that efsdecrypt is specified as no.
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workstation. For more information,
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The encryption key password is case
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Restriction: You cannot specify a n
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Note: Avoid performing a selective
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vTivoli Storage Manager processes e
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The entries in the list are process
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Supported ClientsThis option is val
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vvrestore groupretrieveSupported Cl
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ParametersownerName of an alternate
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ParametersgroupnameSpecifies the na
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Syntax►► IFNewer ►◄Paramete
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ExamplesCommand line:dsmc restore i
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vFile names and directories from an
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Options file or include/exclude fil
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Controlling symbolic link and alias
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The last incremental backup time re
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Lanfreeshmportservice lookup. The o
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Note: The client lanfreetcport valu
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Note: The restore backupset command
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1. If you set the schedmode option
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ModeUse the mode option with the ba
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MonitorThe monitor option specifies
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You can use this option to mitigate
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ExamplesOptions file:nodename couga
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PasswordThe password option specifi
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To keep your client node password s
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ParametersThere are no parameters f
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Note:1. If the postschedulecmd comm
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"resume database myDb"If you placed
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If you have enabled open file suppo
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fs/h1/m1/file.a/fs/h1/m1/file.b/fs/
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QueryschedperiodParameters″cmdstr
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[root@kaveri:/home/cpark] $ dsmc q
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ExamplesCommand line:-removeoperand
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Regulating backup and archive sessi
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ExamplesSchedcmdexceptionOptions fi
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SchedlognameParameterssizeSpecifies
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SchedrestretrdisabledThe schedrestr
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SessioninitiationThis option is val
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Syntax►►SKIPACLUPdatecheckNoYes
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Table 66. Incremental command: Rela
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Snapshotcachesizeincremental -snapd
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JFS2Specifies that you want to perf
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However, you might want to associat
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noTivoli Storage Managerclient proc
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the client system, when performing
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ExamplesOptions file:subdir noComma
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TcpadminportUse the tcpadminport op
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TcpclientaddressParameterscad_addre
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ExamplesOptions file:tcpclientp 150
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Syntax►► TCPServeraddress serve
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performs a full image backup and cr
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TxnbytelimitThe txnbytelimit option
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incremental command to include it f
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WebportsThe webports option enables
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Table 67. Commands (continued)Comma
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accepted and it does name the error
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Related concepts“Client options r
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vvrestore /home/mydir /away/yourdir
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Client commands referenceArchiveImp
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TaskTaskTaskArchive all files in th
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ackup group -filelist=/home/dir1/fi
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Table 72. Backup Image command: Rel
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Utilizing image backup to perform f
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Specifying MODE =differential on th
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Supported ClientsThis command is va
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ParametersoptionsTable 74. Delete A
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Table 75. Delete Backup command: Re
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Delete FilespaceThe delete filespac
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optionsTable 77. Delete Group comma
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HelpUse this command to display inf
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vvvshared static: If data in the fi
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means the file or directory might b
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journal-based backup. Add an exclud
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v The device class MOUNTRETENTION l
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ExamplesTask Monitor current NAS im
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Syntax►►Query ARchiveoptionsfil
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Syntax►►Query Backupoptionsfile
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Query BackupsetID, Tivoli Storage M
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“Restoring data from a backupset
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Syntax►►Query Filespacefilespac
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tsm> q group {/neetavfs}/neetagSize
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Table 86. Query Image command: Rela
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Query MgmtclassThe query mgmtclass
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Syntax►►Query Optionsoptionspat
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ParametersThere are no parameters f
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Restart RestoreCommand: query syste
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►LOCation=serverfiletape►◄Par
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BACKUPSETName=Specifies the name of
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Syntax►►REStore Backupset{files
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TaskTaskTaskTaskTaskTaskTaskCommand
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Restoring backup sets in a SAN envi
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serverfiletapeSpecifies that the ba
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Table 93. Restore Group command: Re
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Syntax►►REStore Imageoptionssou
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Use the nasnodename option to speci
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Retrieve the files to the same dire
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Command: ret "/user/project/*" -pic
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Table 97. Schedule command: Related
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Table 98. Selective command: Relate
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command set access backup ″*″ n
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► -filelist= -description= -pick
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ParametersoldpwSpecifies the curren
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IBM may use or distribute any of th
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command during a specific time peri
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client A software program or comput
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agent over the local area network.
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file access timeOn AIX, UNIX, or Li
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Jjob fileA generated file that cont
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is optional. See also stub file and
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packet In data communication, a seq
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written to the database. The log ca
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stabilized file spaceA file space t
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UnicodeA character encoding standar
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ackup (continued)enabling communica
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commands (continued)preview 476quer
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filesonly option 319filespacedelete
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management classes (continued)overr
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problem determination (continued)de
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server (continued)TCP/IP port addre
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show all

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