Another vote for SSO. 

Whoever dedicated the 2 drives per server doesn't understand SSO.  The
person that suggested they were "conservative" was being too kind.  The
adjectives I would use for them would suggest they rode the short bus to
school.

-----Original Message-----
From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Jayles
Sent: Wednesday, July 01, 2009 2:37 AM
To: VERITAS-BU AT MAILMAN.ENG.AUBURN DOT EDU
Subject: [Veritas-bu] SSO Option for LTO3 drives



mdonaldson wrote:
> 
> This isn't the case.  SSO is used to share a single tape drive among
> multiple media servers. It's the sharing & locking mechanism for
device
> sharing.  I could have zoned my 20 drives, one each, to my 19 media
> servers and not needed SSO.  What Judy describes is right, though, if
I
> lose the drive zoned to that server, it's not doing backups until that
> drive is repaired.
> 
> If you've got SSO licensed, I suggest zoning all tape drives to all
> media servers (careful - you have to name them correctly via tpconfig
or
> it doesn't work right).  You can them limit the number of drives used
by
> each media server when the backup occurs via the max-drives setting I
> the storage unit (as Judy also said).
> 
> -M
> 
> 


What you mentioned is correct.... I sell SSO to my customer too....

In his scenario, suggest to review the whole backup infra, the Share
Storage Option is not cheap and do not waste money to purchase if no
requirement.

Review the infra specially with the resources of the tape drives, then
review your backup window. I believe there might be alot of redunacy.

Good luck mate!  
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