As far as I understand it, SSO is licensed per drive. So if you only
have 2 SSO licenses, you should only be sharing 2 of your drives. But
you can share those 2 drives to as many Media Servers as you please.
Licensing issues aside, SSO seems to be relatively solid in 6.5.x, as
compared to prior releases. I think there's a lot less chatter between
the media servers trying to work out who is doing what with which
drive. I don't see any reason not to enable all of your media servers
to use all of your drives, assuming they have connectivity to them.
We have about 25 drives shared between about 15 media servers, (HPUX,
Solaris, Linux, Win). All media servers can see all drives.
- Dean
On Tue, Oct 21, 2008 at 3:04 AM, BeDour, Wayne <WBedour AT lear DOT com> wrote:
> Our environment HP-UX 11.31 a SureStore 20/700 library with 10 LTO1 drives,
> NetBackup 6.5.2 Master / Media server and one Windows Media server using
> SSO. The Windows Media server and SSO are new and so far everything is
> working as planned. We may be adding another Linux Media server using SSO.
> The Windows box has 2 SSO licenses but is zoned to be able to see 4 drives.
>
> My question is, should we change our configuration so any SSO attached Media
> server can see all the drives in the library and let NetBackup handle drive
> allocation? Will the overhead of SSO doing sharing checks cause noticeable
> performance problems? Are there any other "gotchas" or things to look out
> for with SSO?
>
> Thanks in advance…
>
>
>
> Wayne BeDour
>
> Unix System Administrator
>
> PH: 313-593-9876
>
> Internet: wbedour AT lear DOT com
>
>
>
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