Date: Sat, 9 Aug 2003 12:31:21 -0400 From: Don Bowman <don@sandvine.com> To: "'Kenneth D. Merry'" <ken@kdm.org>, Don Bowman <don@sandvine.com> Cc: "'aic7xxx@freebsd.org'" <aic7xxx@freebsd.org> Subject: RE: Ongoing U320 AIC7902 Seagate ST318453LW issues, SCB timed out Message-ID: <FE045D4D9F7AED4CBFF1B3B813C85337027421F7@mail.sandvine.com>
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> From: Kenneth D. Merry [mailto:ken@kdm.org] > On Fri, Aug 08, 2003 at 13:43:55 -0400, Don Bowman wrote: > > Just to confirm i'm talking about the same thing... > > my seagate device reports 255 tagged openings: > > > > # camcontrol tags 0:0:0 > > (pass0:ahd0:0:0:0): device openings: 255 > > > > but seagate indicates the device has only support for > > 64. Am i reading something different here? > > You'll see 255 openings until we get a queue full response > from the drive. > Then it'll go down to however many transactions we had > outstanding when the > queue full happened. > > If you want a little more information (e.g. how many transactions are > outstanding at a given moment), try: > > camcontrol tags da0 -v Thanks for the info. This is what I see: # camcontrol tags 0:0:0 -v (pass0:ahd0:0:0:0): dev_openings 252 (pass0:ahd0:0:0:0): dev_active 3 (pass0:ahd0:0:0:0): devq_openings 252 (pass0:ahd0:0:0:0): devq_queued 0 (pass0:ahd0:0:0:0): held 0 (pass0:ahd0:0:0:0): mintags 2 (pass0:ahd0:0:0:0): maxtags 255 # camcontrol devlist <SEAGATE ST318453LW 0005> at scbus0 target 0 lun 0 (pass0,da0)
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