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Date:      Mon, 06 Apr 2009 16:13:35 -0400
From:      Matt Hempel <matt@biglist.com>
To:        freebsd-scsi@freebsd.org
Subject:   camcontrol tags output for adaptec raid controller on 7.1-RELEASE
Message-ID:  <1239048815.24106.17.camel@localhost>

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Hello

I was tipped off to this post:

http://lists.freebsd.org/pipermail/freebsd-scsi/2009-February/003806.html

I'm running a Supermicro server with an Adaptec 2010S raid controller
with two attached disks in a simple mirrored configuration.  raidutil
output follows.

It didn't make sense to me that I should be affected by that bug, but
when I ran camcontrol tags, it reported 1 for dev_openings.  I manually
applied the patched code, recompiled and now I'm getting 128 for
dev_openings.

matt@h20:~$ sudo camcontrol tags da0 -v
(pass0:asr0:0:0:0): dev_openings  255
(pass0:asr0:0:0:0): dev_active    0
(pass0:asr0:0:0:0): devq_openings 255
(pass0:asr0:0:0:0): devq_queued   0
(pass0:asr0:0:0:0): held          0
(pass0:asr0:0:0:0): mintags       2
(pass0:asr0:0:0:0): maxtags       255


Can anyone explain why that happened?

How is the initial value of dev_openings derived?  Should I trust it?
Is it relevant or a best guess?

I can reset the dev_openings value using the -N switch to camcontrol
tags.  If I put that in a startup script, does this behavior really
matter?

Thanks

Matt Hempel

matt@h20:~$ sudo raidutil -L all
Password:
RAIDUTIL  Version: 3.04  Date: 9/27/2000  FreeBSD CLI Configuration
Utility
Adaptec ENGINE  Version: 3.04  Date: 9/27/2000  Adaptec FreeBSD SCSI
Engine

#  b0 b1 b2  Controller     Cache  FW    NVRAM     Serial     Status
---------------------------------------------------------------------------
d0 -- --     ADAP2010S      32MB   3B0A  CHNL 1.1  BE0F517200EOptimal

Physical View
Address    Type              Manufacturer/Model         Capacity  Status
---------------------------------------------------------------------------
d0b0t0d0   Disk Drive (DASD) SEAGATE  ST336807LC        35003MB
Optimal
d0b0t1d0   Disk Drive (DASD) SEAGATE  ST336807LC        35003MB
Optimal
d0b0t6d0   SAF-TE            SUPER    GEM318            -----
Optimal

Logical View
Address       Type              Manufacturer/Model      Capacity  Status
---------------------------------------------------------------------------
d0b0t0d0      RAID 1 (Mirrored) ADAPTEC  RAID-1         35003MB
Optimal
 d0b0t0d0     Disk Drive (DASD) SEAGATE  ST336807LC     35003MB
Optimal
 d0b0t1d0     Disk Drive (DASD) SEAGATE  ST336807LC     35003MB
Optimal


Address    Max Speed  Actual Rate / Width
---------------------------------------------------------------------------
d0b0t0d0   Ultra160   320 MB/sec    wide
d0b0t1d0   Ultra160   320 MB/sec    wide
d0b0t6d0   Ultra160   ?             

Address    Manufacturer/Model        Write Cache Mode (HBA/Device)
---------------------------------------------------------------------------
d0b0t0d0   ADAPTEC  RAID-1           Write Back / --
 d0b0t0d0  SEAGATE  ST336807LC       -- / Write Back
 d0b0t1d0  SEAGATE  ST336807LC       -- / Write Back

#  Controller     Cache  FW    NVRAM     BIOS   SMOR      Serial
---------------------------------------------------------------------------
d0 ADAP2010S      32MB   3B0A  CHNL 1.1  1.62   1.12/79I  BE0F517200E

#  Controller      Status     Voltage  Current  Full Cap  Rem Cap  Rem
Time
---------------------------------------------------------------------------
d0 ADAP2010S       No battery 

Address    Manufacturer/Model        FW          Serial
123456789012
---------------------------------------------------------------------------
d0b0t0d0   SEAGATE  ST336807LC       0C01 3KT0VT7H00007536RRF5
-XXXX---XOX-
d0b0t1d0   SEAGATE  ST336807LC       0C01 3KT0VQ6J00007536BDPY
-XXXX---XOX-
d0b0t6d0   SUPER    GEM318           0    1
-------X-O-X

Capabilities Map:  Column 1 = Soft Reset
                   Column 2 = Cmd Queuing
                   Column 3 = Linked Cmds
                   Column 4 = Synchronous
                   Column 5 = Wide 16
                   Column 6 = Wide 32
                   Column 7 = Relative Addr
                   Column 8 = SCSI II
                   Column 9 = S.M.A.R.T.
                   Column 0 = SCAM
                   Column 1 = SCSI-3
                   Column 2 = SAF-TE
   X = Capability Exists, - = Capability does not exist, O = Not
Supported






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