There are several things you can try to fix it, depending on which works
better for you:

1) Set the high-mig value for the disk pool LOWER.    Or make your disk pool
BIGGER.
Either way, to make sure that when the client wants to back up, there is
always enough room for him in the disk pool

2) Change your scheduling so that the biggest client backs up FIRST; so
there will be plenty of room for him in the disk pool.

3) Set up an admin schedule that starts a couple of hours before the client
backup, and changes the high-mig value to 0.  This will force migration to
start early, so the disk pool empties out before your big client starts its
backup.

4) Change the MAXNUMMP (max number of mount points) for the client to 0.
That means the client is NOT allowed to grab a tape drive for backup.
However, if you do this and there is not enough room in the disk pool, the
client backup will fail.

************************************************************************
Wanda Prather
The Johns Hopkins Applied Physics Lab
443-778-8769
[EMAIL PROTECTED]

"Intelligence has much less practical application than you'd think" -
Scott Adams/Dilbert
************************************************************************





-----Original Message-----
From: Gerhard Wolkerstorfer [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 21, 2001 7:55 AM
To: [EMAIL PROTECTED]
Subject: Antwort: Migration


It could be, that the available FREE space in the diskpool at this time is
smaller, than the size of the file your client want to send to the server
This could be the reason, why the server directs the data directly to
tape...

-- Gerhard --





[EMAIL PROTECTED] (Christoph Pilgram) am
21.12.2001
11:12:08

Bitte antworten an [EMAIL PROTECTED]

An:   [EMAIL PROTECTED]
Kopie:     (Blindkopie: Gerhard Wolkerstorfer/DEBIS/EDVG/AT)

Thema:    Migration



Hi all,

today I have a question dealing with migration :

I have one disk-storage-pool that is filled up during the night by several
clients. When it reaches the High-Mig-Pct, the Migration starts with up to
three jobs going to tape.
Backups havent finished at that time and suddenly the backup-jobs wants a
tape to be mounted, and this is just that tape, that is mounted by the
migration-job (because of collocation on client). So the backup-job has to
wait and wait.
But the question is, why the backup of the client, that has as primary-pool
only a disk-pool whis no "maximum size threshhold" transfers data direct to
tape (while disk pool is migrating) and whow to stop this behaviour.

Thanks for help

Chris

Boehringer Ingelheim Pharma KG
IT Department
Christoph Pilgram                       Tel.  +49 7351 54 4051
Birkendorfer Str.65                     Fax. +49 7351 83 4051
88397 Biberach                  Email :
[EMAIL PROTECTED]
Germany

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