==> In article <[EMAIL PROTECTED]>, Daniel Sparrman <[EMAIL PROTECTED]> writes:


> I've seen occasions when disks have failed on a TSM server, and a user calls
> to have a single Word document retrieved. You want to be the one explaining
> to the user that the disk on the backupserver has failed, and that his/hers
> document cannot be restored? :=)


"Me too."


Additionally, there are increasing amounts of data stored on TSM which are not
even "just backups".

If you use the DB2 archive log transfer facilities, then between the time you
run the log upload and the next time you complete a stgpool backup, your DASD
has the only copy of that data in the universe.  With a RAID-5 in place and a
hot spare, I don't feel too much angst about this, but unmirrored would squick
me for sure.

We also use TSM as a data store for our content management application; That
DASD is in fact the primary data.  must must MUST be raided.


- Allen S. Rout

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