Problem with Ultra 320 SCSI adapter

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01-16-2008, 02:31 PM

Jeff Wieland

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Problem with Ultra 320 SCSI adapter

We have one of the new LSI 53C1030-based dual channel Ultra 320 SCSI
adapters to use with a V240. Sun documents that you need at least
Solaris 8 7/03 (yes, we need to run Solaris 8 for now) for this
adapter. The part number for this is SG-XPCI2SCSI-LM320, BTW.

When I boot from our boot server (which has Solaris 8 2/04), the
adapter will run in 5 MB asynchronous SCSI mode. If I boot from an
internal drive, it runs in Ultra 320 mode.

So I thought, OK, there must be some patch on top of 8 2/04 that we
need that is on the internal drive but not with 8 2/04 (the system on
the internal drive does have later patches installed). So for kicks,
I did a fresh install of 8 2/04 on to a second drive, and without any
additional patches, I'm seeing Ultra 320 mode!

This SCSI adapter is intended to be used with a large RAID5 array,
and if we are reloading from backups after a network boot, we'd
only see the 5 MB/sec speed. Of course, with RAID5, we'll never
have to restore, right? :-) I'd probably just reload /, /usr, and
/var, and then boot single user, and from there we can restore the
other filesystems. It bugs me, though, that after a network boot
we're only seeing 5 MB/sec. Any ideas?
--
Jeff Wieland

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Problem with Ultra 320 SCSI adapter