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authorBrian King <brking@linux.vnet.ibm.com>2007-03-29 15:25:52 -0500
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2007-04-17 17:55:36 -0400
commited773e66480fdcd06732eb2aa39362599dcd67fa (patch)
tree53b0a88ea4557efaea19e83701437b11e2dee1ff /Documentation/scsi
parent18a6598f2d3bb7275dadba77df5f06bc996a77d4 (diff)
downloadop-kernel-dev-ed773e66480fdcd06732eb2aa39362599dcd67fa.zip
op-kernel-dev-ed773e66480fdcd06732eb2aa39362599dcd67fa.tar.gz
[SCSI] scsi_error.c: Add EH Start Unit retry
Currently, the scsi error handler will issue a START_UNIT command if the drive indicates it needs its motor started and the allow_restart flag is set in the scsi_device. If, after the scsi error handler invokes a host adapter reset due to error recovery, a device is in a unit attention state AND also needs a START_UNIT, that device will be placed offline. The disk array devices on an ipr RAID adapter will do exactly this when in a dual initiator configuration. This patch adds a single retry to the EH initiated START_UNIT. Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Patch modified and Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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