1. 15 4月, 2006 2 次提交
    • K
      [SCSI] Better log messages for PQ3 devs · 6c7154c9
      Kurt Garloff 提交于
      Some devices report a peripheral qualifier of 3 for LUN 0; with the original
      code, we would still try a REPORT_LUNS scan (if SCSI level is >= 3 or if we
      have the BLIST_REPORTLUNS2 passed in), but NOT any sequential scan.
      Also, the device at LUN 0 (which is not connected according to the PQ) is not
      registered with the OS.
      
      Unfortunately, SANs exist that are SCSI-2 and do NOT support REPORT_LUNS, but
      report a unknown device with PQ 3 on LUN 0. We still need to scan them, and
      most probably we even need BLIST_SPARSELUN (and BLIST_LARGELUN). See the bug
      reference for an infamous example.
      
      This patch 2/3:
      If a PQ3 device is found, log a message that describes the device
      (INQUIRY DATA and C:B:T:U tuple) and make a suggestion for blacklisting
      it.
      Signed-off-by: NKurt Garloff <garloff@suse.de>
      Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
      6c7154c9
    • K
      [SCSI] Try LUN 1 and use bflags · 4186ab19
      Kurt Garloff 提交于
      Some devices report a peripheral qualifier of 3 for LUN 0; with the original
      code, we would still try a REPORT_LUNS scan (if SCSI level is >= 3 or if we
      have the BLIST_REPORTLUNS2 passed in), but NOT any sequential scan.
      Also, the device at LUN 0 (which is not connected according to the PQ) is not
      registered with the OS.
      
      Unfortunately, SANs exist that are SCSI-2 and do NOT support REPORT_LUNS, but
      report a unknown device with PQ 3 on LUN 0. We still need to scan them, and
      most probably we even need BLIST_SPARSELUN (and BLIST_LARGELUN). See the bug
      reference for an infamous example.
      
      This is patch 1/3:
      If we end up in sequential scan, at least try LUN 1 for devices
      that reported a PQ of 3 for LUN 0.
      Also return blacklist flags, even for PQ3 devices.
      Signed-off-by: NKurt Garloff <garloff@suse.de>
      Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
      4186ab19
  2. 13 4月, 2006 19 次提交
  3. 12 4月, 2006 19 次提交