RHEL3EMC

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See HERE and HERE for details. Using info from these links here's a script to try all things mentioned. Note: check the /proc/scsi/*/* paths and modify the echo commands accordingly.

#!/bin/sh

echo "scsi-qlascan" > /proc/scsi/qla2300/1
echo "scsi-qlascan" > /proc/scsi/qla2300/2

# Scan is "H C I L" (Host Channel ID LUN)

for H in 1 2
do
  for C in 0
  do
    for I in 1 2 3 4
    do
      for L in 0 1
      do
        echo "scsi add-single-device $H $C $I $L" > /proc/scsi/scsi
      done
    done
  done
done

/etc/opt/emcpower/powercf -q
/sbin/powermt config
/sbin/powermt display dev=all

To get the "H C I L" values, do cat /proc/scsi/scsi and grep for DGC and Host to get a smaller list. Modify the FOR lines of the script accordingly - the values above are based on the output below.

# cat /proc/scsi/scsi | egrep '(DGC|Host)'
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Host: scsi1 Channel: 00 Id: 00 Lun: 00
Host: scsi1 Channel: 00 Id: 01 Lun: 00
  Vendor: DGC      Model: RAID 5           Rev: 0224
Host: scsi1 Channel: 00 Id: 02 Lun: 00
  Vendor: DGC      Model: RAID 5           Rev: 0224
Host: scsi1 Channel: 00 Id: 03 Lun: 00
  Vendor: DGC      Model: RAID 10          Rev: 0324
Host: scsi1 Channel: 00 Id: 04 Lun: 00
  Vendor: DGC      Model: RAID 10          Rev: 0324
Host: scsi1 Channel: 00 Id: 05 Lun: 00
Host: scsi1 Channel: 00 Id: 06 Lun: 00
Host: scsi1 Channel: 00 Id: 06 Lun: 01
Host: scsi1 Channel: 00 Id: 03 Lun: 01
  Vendor: DGC      Model: RAID 5           Rev: 0324
Host: scsi1 Channel: 00 Id: 04 Lun: 01
  Vendor: DGC      Model: RAID 5           Rev: 0324
Host: scsi1 Channel: 00 Id: 01 Lun: 01
  Vendor: DGC      Model: RAID 5           Rev: 0224
Host: scsi1 Channel: 00 Id: 02 Lun: 01
  Vendor: DGC      Model: RAID 5           Rev: 0224
Host: scsi2 Channel: 00 Id: 00 Lun: 00
Host: scsi2 Channel: 00 Id: 01 Lun: 00
  Vendor: DGC      Model: RAID 5           Rev: 0224
Host: scsi2 Channel: 00 Id: 02 Lun: 00
  Vendor: DGC      Model: RAID 5           Rev: 0224
Host: scsi2 Channel: 00 Id: 03 Lun: 00
  Vendor: DGC      Model: RAID 10          Rev: 0324
Host: scsi2 Channel: 00 Id: 04 Lun: 00
  Vendor: DGC      Model: RAID 10          Rev: 0324
Host: scsi2 Channel: 00 Id: 05 Lun: 00
Host: scsi2 Channel: 00 Id: 06 Lun: 00
Host: scsi2 Channel: 00 Id: 03 Lun: 01
  Vendor: DGC      Model: RAID 5           Rev: 0324
Host: scsi2 Channel: 00 Id: 04 Lun: 01
  Vendor: DGC      Model: RAID 5           Rev: 0324
Host: scsi2 Channel: 00 Id: 01 Lun: 01
  Vendor: DGC      Model: RAID 5           Rev: 0224
Host: scsi2 Channel: 00 Id: 02 Lun: 01
  Vendor: DGC      Model: RAID 5           Rev: 0224