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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 HPUX
mt
mt(1) General Commands Manual mt(1) NAME
mt - magnetic tape manipulating program SYNOPSIS
tapename] command [count] Obsolescent tapename] command [count] DESCRIPTION
is used to give commands to the tape drive. If tapename is not specified, the environment variable is used; if is not defined, the default drive is used. winds the tape in the requested direction (forward or backward), stopping after the specified count EOF marks or records are passed. If count is not specified, one is assumed. Each EOF mark counts as one record. When winding backwards, the tape always stops at the BOT marker, regardless of the number remaining in count. accepts the following commands: Write count EOF marks. Forward space count files. Forward space count records. Backward space count files. Backward space count records. Rewind tape. Rewind tape and go offline. Seek to end of data (DDS and QIC drives only). Write count setmarks (DDS drives only). Forward space count setmarks (DDS drives only). Backward space count setmarks (DDS drives only). Print status information about the tape drive. Reserve tape drive for sole use by the host issuing the command (stape or estape driver only). Release tape drive from sole use by the host issuing the command (stape or estape driver only). Spacing operations (back or forward space file or record) leave the tape positioned past the object being spaced to in the direction of motion. That is, backspacing a file leaves the the tape positioned before the file mark, forward spacing a file leaves the tape positioned after the file mark. This is consistent with all classical usage on tapes. WARNINGS
Only raw, no-rewind Berkeley-type devices should be specified. This type of device will not reposition the tape upon close. An example of such a device is or See mt(7) for more details. It is possible to wind the tape beyond the EOT marker and off the end of the reel. A reservation may only be cleared with a release by the host that issued the original reserve. In the event that the host that holds the reservation is no longer available, the command may be used to reclaim the device by issuing a bus device reset. See st(1M) for more details. The reserve/release functionality can only be issued to drives using the or driver. EXAMPLES
Rewind the tape associated with the device file or (if legacy DSF is disabled): FILES
Raw magnetic tape interface (stape) Raw magnetic tape interface (estape) Default tape interface. If legacy DSF is disabled, the default value is AUTHOR
was developed by the University of California, Berkeley. SEE ALSO
dd(1), st(1M), intro(7), mt(7). mt(1)