I don't know of any way to do what you want to do with Netbackup, and
you have more limitations in NBU3.4 compared to the current version.
Then again, you could do a search on Symantec's support site:
http://www.symantec.com/business/support/index.jsp

 

I recommend creating a striped volume using a volume management tool
(Symantec Volume Manager or Solaris Disk Suite) to group all your 34GB
drives together into one large volume/storage unit.  If you want
protection for this storage unit against a disk failure then go with
RAID1+0 or RAID5 (although RAID5 could slow down your backups due to
parity calculations).  You could also create smaller stripe sets/storage
units if needed; it really depends upon your needs.

 

________________________________

From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Andrey
Halezov
Sent: Monday, March 24, 2008 16:43
To: veritas-bu@mailman.eng.auburn.edu
Subject: [Veritas-bu] Disk and Media Manager Storage Units and error
84(media write error) - beginners question (NetBackup 3.4 onSolaris 8)

 

Dear NetBackup Gurus!

 

I have setup several 34G disks mounted as /backupdisk_1, /backupdisk_2,
/backupdisk_3 and etc... Each mount point becomes a separate Disk
Storage Unit. I also have a Media Manager Storage Unit - DLT tape
library with 20 tapes.

 

All my backup classes are setup with property "Storage_Unit" set to "any
available". 

 

 

  Expectation

===========

To continue backup on the next Storage Unit (Disk or Media Manager,
whichever has space available) after one of the Storage Units fills up.

 

 

 Actually happens

===============

The backup doesn't switch to the next Storage Unit. 

I get error 84 (media write error) when the hard drive mounted under
/backupdisk_n fills up. The backup keeps trying to use the same Storage
Unit each time getting error 84 (while there is space available on the
other Disk Storage Units and Media Manager Storage Unit)

 

 

Looks like NetBackup chooses Storage Unit for the job and doesn't change
to different one after the chosen Storage Unit fills up.

Is there a way to fix my setup?

 

 

Thank you,

Andrey

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