Brian King ed773e6648 [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>
2007-04-17 17:55:36 -04:00
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