> This has worked on all Dell PowerVault SANs. If the
> RocketStor 500S is
> returning 011b rather than 001b there, then I believe that's
> a bug in their
> SCSI implementation. Can you add a check to see what's
> actually in the
> peripheral qualifier field when there's no LUN available?
>
> Thanks,
> Matt
>
> --
> Matt Domsch
> Sr. Software Engineer
> Dell Linux Solutions
> www.dell.com/linux
Indeed, that appears to be the problem. This is what I get when I
map a raid set
only to LUN 2 (This is my slightly hacked version of scsi_scan, so it
ignores the exit on
the peripheral qualifier check):
Scanning dev=2 lun=0 (sparse=0)
bflags=1088
peripheral qualifier=3 *DOH*
scsi: unknown type 31
Vendor: Zzyzx Model: RocketStor 500S Rev: 3100
Type: Unknown ANSI SCSI revision: 04
Scanning dev=2 lun=1 (sparse=1)
bflags=1088
peripheral qualifier=3
scsi: unknown type 31
Vendor: Zzyzx Model: RocketStor 500S Rev: 3100
Type: Unknown ANSI SCSI revision: 04
Scanning dev=2 lun=2 (sparse=1)
bflags=1088
peripheral qualifier=0
Vendor: Zzyzx Model: RocketStor 500S Rev: 3100
Type: Direct-Access ANSI SCSI revision: 04
Thanks for clearing that up - I knew it was exiting at the
peripheral qualifier
check, but I did not know enough about the SCSI protocol to know why, or if
this was
a bug with the RocketStor, etc.
I suppose I'll take this up with Zzyzx now :)
-poul
Poul E.J. Petersen
Rogue Wave Software
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