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Operating Systems
AIX
Backup solution
Post 302254743 by funksen on Wednesday 5th of November 2008 04:27:55 AM
11-05-2008
you can do this manually by running mksysb to filesystem/nfs (see smitty mksysb)
mount the nfs filesystem on the linux-box and copy it to the tape, don't ask me how, manually copying to tape was before I become an admin
we use tsm for this
this just works for rootvg
but if I get you, you want lanless backups, directly to tapes?
nope that is not possible, since
1. tape virtualization is not possible jet, so you need dedicated hbas an each lpar for this, I assume you use an virtual io-server and map disks/lv
and
2. you can not share the tape drive from your red hat box over san to the lpars, but I'm sure addidional software is able to do this
but then you are facing point 1
If you want to directly backup from the ds4700, there is a mechanism called flash copy of the luns, but you can't copy this to a tape drive
we tried this with a ds4800, and almost had a whole outage of all systems running over vio, so better don't try on production environment
mount the nfs filesystem on the linux-box and copy it to the tape, don't ask me how, manually copying to tape was before I become an admin
we use tsm for thisthis just works for rootvg
but if I get you, you want lanless backups, directly to tapes?
nope that is not possible, since
1. tape virtualization is not possible jet, so you need dedicated hbas an each lpar for this, I assume you use an virtual io-server and map disks/lv
and
2. you can not share the tape drive from your red hat box over san to the lpars, but I'm sure addidional software is able to do this
but then you are facing point 1
If you want to directly backup from the ds4700, there is a mechanism called flash copy of the luns, but you can't copy this to a tape drive
we tried this with a ds4800, and almost had a whole outage of all systems running over vio, so better don't try on production environment
Last edited by funksen; 11-05-2008 at 05:36 AM..
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LEARN ABOUT REDHAT
amtape
AMTAPE(8) System Manager's Manual AMTAPE(8) NAME
amtape - user interface to Amanda tape changer controls SYNOPSIS
amtape config command [ command options ] DESCRIPTION
Amtape performs tape changer control operations. It uses the underlying tape changer script defined by the tpchanger option for a particu- lar Amanda configuration as specified by the config argument. Tape changers maintain a notion of the current and next slot for each configuration. These may or may not correspond to an actual physical state of the device, but do tend to minimize searching through the tape storage slots. If the desired tape is in the current slot, it is likely the next tape needed is in the next slot rather than at some random position in the storage slots. See the amanda(8) man page for more details about Amanda. COMMANDS
reset Reset the tape changer to a known state. The current slot is set to the first slot. Other device-specific side effects may occur. Some gravity stackers need to be reset to the top position by hand. This command notifies Amanda the stacker is back in that posi- tion. eject If a tape is loaded in the drive, it is ejected and returned to the slot from which it was loaded. clean If a cleaning tape is defined for the changer, it is used to clean the drive. show Show the contents of all slots. This can be slow. label label Search for and load the Amanda tape with label label. taper Perform the taper scan algorithm. Load the next tape in the configuration's tape sequence, or a fresh tape with a suitable label. device Display the name of the current tape device on stdout. current Display the current slot. update Update the changer label database, if it has one, to match the tapes now available. slot slot Eject any tape in the drive and put it away, then load the tape from slot slot and reset current. slot current Eject any tape in the drive and put it away, then load the tape from the current slot. slot prev Eject any tape in the drive and put it away, then load the tape from the previous slot and reset current. slot next Eject any tape in the drive and put it away, then load the tape from the next slot and reset current. slot first Eject any tape in the drive and put it away, then load the tape from the first slot and reset current. slot last Eject any tape in the drive and put it away, then load the tape from the last slot and reset current. slot advance Eject any tape in the drive and put it away. Advance current to the next tape, but do not load it. This is useful with non-gravity stackers to unload the last tape used and set up Amanda for the next run. If you just use eject, the current tape will be mounted again in the next run, where it will be rejected as being still in use, ejected and the next tape requested. Using slot next followed by eject does an unnecessary mount. Note: most changers optimize the slot commands to not eject the loaded tape if it is the one being requested. AUTHOR
James da Silva <jds@cs.umd.edu> University of Maryland, College Park SEE ALSO
amanda(8) AMTAPE(8)