Many shops have the storage pools built on storage where non-raid is not an
option.
It would be nice to see some storage pool volume sizing reccomendations
that don't assume everyone is on 9GB SSA JBOD.
Seeing TSM become SFS and SVC aware would be nice as well.
[RC]
[EMAIL PROTECTED]
Sent by: "ADSM: Dist To: [EMAIL PROTECTED]
Stor Manager" cc:
<[EMAIL PROTECTED] Subject: Re: storage pool raid 1?
>
07/21/2004 01:37 PM
Please respond to
"ADSM: Dist Stor
Manager"
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==> 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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