2005-12-08 12:14:33 +00:00
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=head1 NAME
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2007-11-11 22:54:56 +00:00
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backup_diskrestore - Restores the entire contents of a partition
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2005-12-08 12:14:33 +00:00
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=head1 SYNOPSIS
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2006-03-01 05:02:29 +00:00
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=for html
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<div class="synopsis">
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B<backup diskrestore> S<<< B<-server> <I<machine to restore>> >>>
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S<<< B<-partition> <I<partition to restore>> >>>
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S<<< [B<-portoffset> <I<TC port offset>>+] >>>
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S<<< [B<-newserver> <I<destination machine>>] >>>
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S<<< [B<-newpartition> <I<destination partition>>] >>>
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S<<< [B<-extension> <I<new volume name extension>>] >>>
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2013-11-07 06:05:39 +00:00
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[B<-dryrun> | B<-n>] [B<-localauth>] S<<< [B<-cell> <I<cell name>>] >>> [B<-help>]
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2006-03-01 05:02:29 +00:00
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2009-10-08 22:01:39 +01:00
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B<backup di> S<<< B<-s> <I<machine to restore>> >>>
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S<<< B<-pa> <I<partition to restore>> >>>
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S<<< [B<-po> <I<TC port offset>>+] >>>
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S<<< [B<-news> <I<destination machine>>] >>>
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2006-03-01 05:02:29 +00:00
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S<<< [B<-newp> <I<destination partition>>] >>>
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2013-11-07 06:05:39 +00:00
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S<<< [B<-e> <I<new volume name extension>>] >>> [B<-dryrun> | B<-n>] [B<-l>]
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2006-03-01 05:02:29 +00:00
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S<<< [B<-c> <I<cell name>>] >>> [B<-h>]
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=for html
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</div>
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2005-12-08 12:14:33 +00:00
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=head1 DESCRIPTION
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2005-12-13 19:21:13 +00:00
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The B<backup diskrestore> command restores all of the volumes for which
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the Volume Location Database (VLDB) lists a read/write site on the
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partition specified with the B<-server> and B<-partition> arguments. It is
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useful if a disk or machine failure corrupts or destroys the data on an
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entire partition. (To restore any read-only or backup volumes that resided
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on the partition, use the B<vos release> and B<vos backup> commands,
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respectively, after restoring the read/write version.)
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2005-12-08 12:14:33 +00:00
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If restoring only selected volumes to a single site, it is usually more
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2005-12-13 19:21:13 +00:00
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efficient to use the B<backup volrestore> command. To restore multiple
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volumes to many different sites, use the B<backup volsetrestore> command.
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(If the C<FILE YES> instruction appears in the
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F</usr/afs/backup/CFG_I<device_name>> file on the Tape Coordinator machine
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associated with the specified port offset, then the Backup System restores
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data from the backup data file listed for that port offset in the Tape
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Coordinator's F</usr/afs/backup/tapeconfig> file, instead of from
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tape. For the sake of clarity, the following text refers to tapes only,
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but the Backup System handles backup data files in much the same way.)
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2005-12-08 12:14:33 +00:00
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The Backup System determines whether the read/write or backup version of
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2005-12-13 19:21:13 +00:00
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each volume was dumped more recently, and restores the dumps of that
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version, starting with the most recent full dump. It resets the creation
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2005-12-08 12:14:33 +00:00
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timestamp of each restored volume to the date and time at which it begins
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2005-12-13 19:21:13 +00:00
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restoring the volume (the creation timestamp appears in the C<Creation>
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field of the output from the B<vos examine> and B<vos listvol> commands).
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2005-12-08 12:14:33 +00:00
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If all of the full and incremental dumps of all relevant volumes were not
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written on compatible tape devices, use the B<-portoffset> argument to
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2005-12-13 19:21:13 +00:00
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list multiple port offset numbers in the order in which the tapes are
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needed (first list the port offset for the full dump, second the port
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offset for the level 1 incremental dump, and so on). This implies that the
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full dumps of all relevant volumes must have been written to a type of
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tape that the first Tape Coordinator can read, the level 1 incremental
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dumps to a type of tape the second Tape Coordinator can read, and so
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on. If dumps are on multiple incompatible tape types, use the B<backup
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volrestore> command to restore individual volumes, or the B<backup
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volsetrestore> command after defining groups of volumes that were dumped
|
2010-05-26 18:20:57 +01:00
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to compatible tape types. For further discussion, see the I<OpenAFS
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2005-12-13 19:21:13 +00:00
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Administration Guide>.
|
2005-12-08 12:14:33 +00:00
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By default, the Backup System restores the contents of the specified
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2005-12-13 19:21:13 +00:00
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partition to that same partition. To restore the contents to an alternate
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site, combine the following options as indicated. The Backup System
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removes each volume from the original site, if it still exists, and
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2005-12-08 12:14:33 +00:00
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records the change of site in the VLDB.
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=over 4
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=item *
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To restore to a different partition on the same file server machine,
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provide the B<-newpartition> argument.
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=item *
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To restore to the partition with the same name on a different file server
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machine, provide the B<-newserver> argument.
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=item *
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|
2005-12-13 19:21:13 +00:00
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To restore to a completely different site, combine the B<-newserver> and
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B<-newpartition> arguments.
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2005-12-08 12:14:33 +00:00
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=back
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By default, the Backup System overwrites the contents of existing volumes
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2005-12-13 19:21:13 +00:00
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with the restored data. To create a new volume to house the restored data
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instead, use the B<-extension> argument. The Backup System creates the new
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volume at the site designated by the B<-newserver> and B<-newpartition>
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arguments if they are used or the B<-server> and B<-partition> arguments
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otherwise. It derives the volume name by adding the extension to the
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read/write base name listed in the VLDB, and creates a new VLDB entry. The
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command does not affect the existing volume in any way. However, if a
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volume with the specified extension also already exists, the command
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overwrites it.
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2005-12-08 12:14:33 +00:00
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To print out a list of the tapes containing the needed dumps, without
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2011-06-09 01:56:46 +01:00
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actually performing the restore operation, include the B<-dryrun> flag
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along with the other options to be used on the actual command.
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2005-12-13 19:21:13 +00:00
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The Tape Coordinator's default response to this command is to access the
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first tape it needs by invoking the C<MOUNT> instruction in the local
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F<CFG_I<device_name>> file, or by prompting the backup operator to insert
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the tape if there is no C<MOUNT> instruction. However, if the C<AUTOQUERY
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NO> instruction appears in the F<CFG_I<device_name>> file, or if the
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issuer of the B<butc> command included the B<-noautoquery> flag, the Tape
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Coordinator instead expects the tape to be in the device already. If it
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is not, or is the wrong tape, the Tape Coordinator invokes the C<MOUNT>
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instruction or prompts the operator. It also invokes the C<MOUNT>
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instruction or prompts for any additional tapes needed to complete the
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restore operation; the backup operator must arrange to provide them.
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2005-12-08 12:14:33 +00:00
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2005-12-09 14:48:56 +00:00
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=head1 CAUTIONS
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2005-12-08 12:14:33 +00:00
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2005-12-13 19:21:13 +00:00
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If issuing this command to recover data after a disk crash or other
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damage, be sure not to issue the B<vos syncserv> command first. Doing so
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destroys the VLDB record of the volumes that resided on the partition.
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2005-12-08 12:14:33 +00:00
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=head1 OPTIONS
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=over 4
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2005-12-13 19:21:13 +00:00
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=item B<-server> <I<machine to restore>>
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2005-12-08 12:14:33 +00:00
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Names the file server machine that the VLDB lists as the site of the
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volumes that need to be restored.
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2005-12-13 19:21:13 +00:00
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=item B<-partition> <I<partition to restore>>
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2005-12-08 12:14:33 +00:00
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Names the partition that the VLDB lists as the site of the volumes that
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need to be restored.
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2005-12-13 19:21:13 +00:00
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=item B<-portoffset> <I<TC port offset>>+
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2005-12-08 12:14:33 +00:00
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Specifies one or more port offset numbers (up to a maximum of 128), each
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2005-12-13 19:21:13 +00:00
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corresponding to a Tape Coordinator to use in the operation. If there is
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more than one value, the Backup System uses the first one when restoring
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2005-12-08 12:14:33 +00:00
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the full dump of each volume, the second one when restoring the level 1
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2005-12-13 19:21:13 +00:00
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incremental dump of each volume, and so on. It uses the final value in the
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list when restoring dumps at the corresponding depth in the dump hierarchy
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2005-12-08 12:14:33 +00:00
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and at all lower levels.
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Provide this argument unless the default value of 0 (zero) is appropriate
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2005-12-13 19:21:13 +00:00
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for all dumps. If C<0> is just one of the values in the list, provide it
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explicitly in the appropriate order.
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2005-12-08 12:14:33 +00:00
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2005-12-13 19:21:13 +00:00
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=item B<-newserver> <I<destination machine>>
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2005-12-08 12:14:33 +00:00
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|
2005-12-13 19:21:13 +00:00
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Names an alternate file server machine to which to restore the volumes. If
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this argument is omitted, the volumes are restored to the file server
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machine named by the B<-server> argument.
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2005-12-08 12:14:33 +00:00
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2005-12-13 19:21:13 +00:00
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=item B<-newpartition> <I<destination partition>>
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2005-12-08 12:14:33 +00:00
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Names an alternate partition to which to restore the data. If this
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2005-12-13 19:21:13 +00:00
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argument is omitted, the volumes are restored to the partition named by
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the B<-partition> argument.
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2005-12-08 12:14:33 +00:00
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2005-12-13 19:21:13 +00:00
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=item B<-extension> <I<new volume name extension>>
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2005-12-08 12:14:33 +00:00
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Creates a new volume for each volume being restored, to house the restored
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2005-12-13 19:21:13 +00:00
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data. The Backup System derives the new volume's name by appending the
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specified string to the read/write base name listed in the VLDB, and
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creates a new VLDB volume entry. The Backup System preserves the contents
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of the volumes on the partition, if any still exist. Any string other than
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C<.readonly> or C<.backup> is acceptable, but the combination of the base
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name and extension cannot exceed 22 characters in length. To use a period
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to separate the extension from the name, specify it as the first character
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of the string (as in C<.rst>, for example).
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|
2013-11-07 06:05:39 +00:00
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=item B<-dryrun> | B<-n>
|
2005-12-08 12:14:33 +00:00
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Displays a list of the tapes necessary to perform the requested restore,
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without actually performing the operation.
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|
2005-12-13 19:21:13 +00:00
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=item B<-localauth>
|
2005-12-08 12:14:33 +00:00
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Constructs a server ticket using a key from the local
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2005-12-13 19:21:13 +00:00
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F</usr/afs/etc/KeyFile> file. The B<backup> command interpreter presents
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it to the Backup Server, Volume Server and VL Server during mutual
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authentication. Do not combine this flag with the B<-cell> argument. For
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more details, see L<backup(8)>.
|
2005-12-08 12:14:33 +00:00
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2005-12-13 19:21:13 +00:00
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=item B<-cell> <I<cell name>>
|
2005-12-08 12:14:33 +00:00
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2005-12-13 19:21:13 +00:00
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Names the cell in which to run the command. Do not combine this argument
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with the B<-localauth> flag. For more details, see L<backup(8)>.
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2005-12-08 12:14:33 +00:00
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2005-12-13 19:21:13 +00:00
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=item B<-help>
|
2005-12-08 12:14:33 +00:00
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2005-12-13 19:21:13 +00:00
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Prints the online help for this command. All other valid options are
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ignored.
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2005-12-08 12:14:33 +00:00
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=back
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=head1 OUTPUT
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If a tape error occurs during the restore operation, the Tape Coordinator
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displays the following messages:
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Restore operation on volume I<name> failed due to tape error
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Do you want to continue (y/n)?
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|
2005-12-13 19:21:13 +00:00
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where I<name> is the name of the volume that was being restored when the
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tape error occurred. Enter the value B<y> to continue the operation
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without restoring the indicated volume or the value C<n> to terminate the
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operation. In the latter case, the operator can then attempt to determine
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the cause of the tape error.
|
2005-12-08 12:14:33 +00:00
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|
2011-06-09 01:56:46 +01:00
|
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If the issuer includes the B<-dryrun> flag with the command, the following
|
2005-12-13 19:21:13 +00:00
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string appears at the head of the list of the tapes necessary to perform
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the restore operation:
|
2005-12-08 12:14:33 +00:00
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Tapes needed:
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=head1 EXAMPLES
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The following command restores the volumes for which the VLDB lists a
|
2005-12-13 19:21:13 +00:00
|
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|
read/write site on the F</vicepd> partition of the machine
|
doc: replace hostnames with IETF example hostnames
There were several different real and made-up hostnames and company names used
throughout our documentation examples.
The IETF has reserved "example.com" and other "example" TLDs for use in
examples (RFC 2606). Replace almost all references to ABC Corporation, DEF
Corporation, and State University, as well as "abc.com", "bigcell.com",
"def.com", "def.gov", "ghi.com", "ghi.gov", "jkl.com", "mit.edu",
"stanford.edu", "state.edu", "stateu.edu", "uncc.edu", and "xyz.com".
Standardize on "Example Corporation", "Example Network", "Example
Organization" (example.com, example.net, and example.org).
The Scout documentation in the Admin Guide contains PNG images that contain
the old cell names, so I left those references until the images can be
replaced.
Change-Id: I4e44815b2d2ffe204810b7fd850842248f67c367
Reviewed-on: http://gerrit.openafs.org/6697
Reviewed-by: Jeffrey Altman <jaltman@secure-endpoints.com>
Tested-by: Jeffrey Altman <jaltman@secure-endpoints.com>
2012-02-11 16:43:30 +00:00
|
|
|
C<fs5.example.com>. The Tape Coordinator associated with port offset 3
|
2005-12-13 19:21:13 +00:00
|
|
|
performs the operation.
|
2005-12-08 12:14:33 +00:00
|
|
|
|
doc: replace hostnames with IETF example hostnames
There were several different real and made-up hostnames and company names used
throughout our documentation examples.
The IETF has reserved "example.com" and other "example" TLDs for use in
examples (RFC 2606). Replace almost all references to ABC Corporation, DEF
Corporation, and State University, as well as "abc.com", "bigcell.com",
"def.com", "def.gov", "ghi.com", "ghi.gov", "jkl.com", "mit.edu",
"stanford.edu", "state.edu", "stateu.edu", "uncc.edu", and "xyz.com".
Standardize on "Example Corporation", "Example Network", "Example
Organization" (example.com, example.net, and example.org).
The Scout documentation in the Admin Guide contains PNG images that contain
the old cell names, so I left those references until the images can be
replaced.
Change-Id: I4e44815b2d2ffe204810b7fd850842248f67c367
Reviewed-on: http://gerrit.openafs.org/6697
Reviewed-by: Jeffrey Altman <jaltman@secure-endpoints.com>
Tested-by: Jeffrey Altman <jaltman@secure-endpoints.com>
2012-02-11 16:43:30 +00:00
|
|
|
% backup diskrestore -server fs5.example.com \
|
|
|
|
-partition /vicepd -portoffset 3
|
2005-12-08 12:14:33 +00:00
|
|
|
|
|
|
|
The following command restores the volumes for which the VLDB lists a
|
doc: replace hostnames with IETF example hostnames
There were several different real and made-up hostnames and company names used
throughout our documentation examples.
The IETF has reserved "example.com" and other "example" TLDs for use in
examples (RFC 2606). Replace almost all references to ABC Corporation, DEF
Corporation, and State University, as well as "abc.com", "bigcell.com",
"def.com", "def.gov", "ghi.com", "ghi.gov", "jkl.com", "mit.edu",
"stanford.edu", "state.edu", "stateu.edu", "uncc.edu", and "xyz.com".
Standardize on "Example Corporation", "Example Network", "Example
Organization" (example.com, example.net, and example.org).
The Scout documentation in the Admin Guide contains PNG images that contain
the old cell names, so I left those references until the images can be
replaced.
Change-Id: I4e44815b2d2ffe204810b7fd850842248f67c367
Reviewed-on: http://gerrit.openafs.org/6697
Reviewed-by: Jeffrey Altman <jaltman@secure-endpoints.com>
Tested-by: Jeffrey Altman <jaltman@secure-endpoints.com>
2012-02-11 16:43:30 +00:00
|
|
|
read/write site on the F</vicepb> partition of the machine C<fs1.example.com>
|
|
|
|
to a new site: the F</vicepa> partition on the machine C<fs3.example.com>. The
|
2005-12-13 19:21:13 +00:00
|
|
|
Tape Coordinator associated with port offset 0 performs the
|
|
|
|
operation. (The command appears here on two lines only for legibility.)
|
2005-12-08 12:14:33 +00:00
|
|
|
|
doc: replace hostnames with IETF example hostnames
There were several different real and made-up hostnames and company names used
throughout our documentation examples.
The IETF has reserved "example.com" and other "example" TLDs for use in
examples (RFC 2606). Replace almost all references to ABC Corporation, DEF
Corporation, and State University, as well as "abc.com", "bigcell.com",
"def.com", "def.gov", "ghi.com", "ghi.gov", "jkl.com", "mit.edu",
"stanford.edu", "state.edu", "stateu.edu", "uncc.edu", and "xyz.com".
Standardize on "Example Corporation", "Example Network", "Example
Organization" (example.com, example.net, and example.org).
The Scout documentation in the Admin Guide contains PNG images that contain
the old cell names, so I left those references until the images can be
replaced.
Change-Id: I4e44815b2d2ffe204810b7fd850842248f67c367
Reviewed-on: http://gerrit.openafs.org/6697
Reviewed-by: Jeffrey Altman <jaltman@secure-endpoints.com>
Tested-by: Jeffrey Altman <jaltman@secure-endpoints.com>
2012-02-11 16:43:30 +00:00
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% backup diskrestore -server fs1.example.com -partition /vicepb \
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-newserver fs3.example.com -newpartition /vicepa
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2005-12-08 12:14:33 +00:00
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The following command lists the tapes required to restore the volumes for
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2005-12-13 19:21:13 +00:00
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which the VLDB lists a read/write site on the F</vicepm> partition of the
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doc: replace hostnames with IETF example hostnames
There were several different real and made-up hostnames and company names used
throughout our documentation examples.
The IETF has reserved "example.com" and other "example" TLDs for use in
examples (RFC 2606). Replace almost all references to ABC Corporation, DEF
Corporation, and State University, as well as "abc.com", "bigcell.com",
"def.com", "def.gov", "ghi.com", "ghi.gov", "jkl.com", "mit.edu",
"stanford.edu", "state.edu", "stateu.edu", "uncc.edu", and "xyz.com".
Standardize on "Example Corporation", "Example Network", "Example
Organization" (example.com, example.net, and example.org).
The Scout documentation in the Admin Guide contains PNG images that contain
the old cell names, so I left those references until the images can be
replaced.
Change-Id: I4e44815b2d2ffe204810b7fd850842248f67c367
Reviewed-on: http://gerrit.openafs.org/6697
Reviewed-by: Jeffrey Altman <jaltman@secure-endpoints.com>
Tested-by: Jeffrey Altman <jaltman@secure-endpoints.com>
2012-02-11 16:43:30 +00:00
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machine C<fs4.example.com>:
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2005-12-08 12:14:33 +00:00
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|
doc: replace hostnames with IETF example hostnames
There were several different real and made-up hostnames and company names used
throughout our documentation examples.
The IETF has reserved "example.com" and other "example" TLDs for use in
examples (RFC 2606). Replace almost all references to ABC Corporation, DEF
Corporation, and State University, as well as "abc.com", "bigcell.com",
"def.com", "def.gov", "ghi.com", "ghi.gov", "jkl.com", "mit.edu",
"stanford.edu", "state.edu", "stateu.edu", "uncc.edu", and "xyz.com".
Standardize on "Example Corporation", "Example Network", "Example
Organization" (example.com, example.net, and example.org).
The Scout documentation in the Admin Guide contains PNG images that contain
the old cell names, so I left those references until the images can be
replaced.
Change-Id: I4e44815b2d2ffe204810b7fd850842248f67c367
Reviewed-on: http://gerrit.openafs.org/6697
Reviewed-by: Jeffrey Altman <jaltman@secure-endpoints.com>
Tested-by: Jeffrey Altman <jaltman@secure-endpoints.com>
2012-02-11 16:43:30 +00:00
|
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% backup diskrestore -server fs4.example.com -partition /vicepm -dryrun
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2005-12-08 12:14:33 +00:00
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Tapes needed:
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user.sunday1.1
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user.sunday1.2
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user.monday1.1
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user.tuesday1.1
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user.wednesday1.1
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=head1 PRIVILEGE REQUIRED
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2005-12-13 19:21:13 +00:00
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The issuer must be listed in the F</usr/afs/etc/UserList> file on every
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machine where the Backup Server or Volume Location (VL) Server is running,
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and on every file server machine that houses an affected volume. If the
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B<-localauth> flag is included, the issuer must instead be logged on to a
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server machine as the local superuser C<root>.
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2005-12-08 12:14:33 +00:00
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=head1 SEE ALSO
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2005-12-14 01:30:20 +00:00
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L<butc(5)>,
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2005-12-13 19:21:13 +00:00
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L<backup(8)>,
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L<backup_dump(8)>,
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L<backup_volrestore(8)>,
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L<backup_volsetrestore(8)>,
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L<butc(8)>,
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2005-12-08 12:14:33 +00:00
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L<vos_backup(1)>,
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L<vos_examine(1)>,
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L<vos_listvol(1)>,
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L<vos_release(1)>
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=head1 COPYRIGHT
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IBM Corporation 2000. <http://www.ibm.com/> All Rights Reserved.
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This documentation is covered by the IBM Public License Version 1.0. It was
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converted from HTML to POD by software written by Chas Williams and Russ
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Allbery, based on work by Alf Wachsmann and Elizabeth Cassell.
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