We use z/OS facilities to perform the full volume backup/restore of ALL of
our data (z/OS, z/VM and Linux). We then use TSM on z/OS for file-level
recovery of data for LOTS of servers (z/Linux, Linux/x86, Sun, AIX,
Windows). It works fairly well if you have enough horsepower and tape
drives. All tapes uses for DR purposes are written on the IBM encrypting
tape drives (I forget the IBM make/model). 
 
The gotchas are scheduling the shutdown of Linux guests on the IFL from your
z/OS system. We use a well-defined window for full-volume backups. With
that, I have not needed to use file-level restores at DR for my Linux guests
but have tested recovering a complete Oracle data logical volume. By going
with FCP connections you will not be able to perform z/OS backups, but you
could do z/VM based full backups. File-level backups to z/OS is still good
with this scenario.

/Thomas Kern
/U.S. Dept of Energy
/301-903-2211 (Office)
/301-905-6427 (Mobile)

On Fri, 1 May 2009 12:23:13 -0400, O'Brien, David W. (NIH/CIT) [C]
<[email protected]> wrote:
>Is anyone using a Mainframe based TSM server to recover Linux guests at DR?
>
>Any problems or pitfalls to be aware of?
>
>Hitherto we were planning on using FDR full volume backups but the Linux
folks decided that even 50GB Mod-54s would be too small and too much trouble
to administer so we are moving toward FCP attached SATA drives for our Linux
data.
>
>Any advice on DR set up gratefully appreciated.
>
>Dave O'Brien
>NIH Contractor

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