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User Guide
4. Management
4.3 Firmware Upgrade
4.3.1
Verifying OOBMs before Firmware Upgrade in Linux
This procedure provides instructions for verifying that the OOBM processors are running prior to initiating
a firmware download. If the OOBM processors are not running, a firmware download will immediately fail.
Before you begin:
This procedure is written for a dual-IOM configuration. For a single-IOM configuration,
ignore any steps related to a second IOM.
Step 1 :
Use the
sg_scan
utility to identify the SEP device handles of the IOMs.
# sg_scan -i | grep -i 4102 -B 1
<dev>
: scsi8 channel=0 id=50 lun=0
HGST H4102-J 2051 [rmb=0 cmdq=1 pqual=0 pdev=0xd]
<dev>
: scsi8 channel=0 id=204 lun=0
HGST H4102-J 2051 [rmb=0 cmdq=1 pqual=0 pdev=0xd]
Step 2 :
If needed, use the
sg_ses
utitliy to query page 4h and determine which SEP handle refers to
which IOM. In the following examples, bytes 36 and 37 contain either
aa aa
(for IOM A) or
bb bb
(for IOM B).
# sg_ses
<dev>
-p4 --hex
HGST H4102-J 2051
Response in hex from diagnostic page: String In (SES)
00 04 00 00 7c 00 0a 5c fc 00 11 ef ca 00 00 00 40 ...|..\........@
10 00 00 05 8a 00 00 00 00 00 00 00 03 00 00 0c cf ................
20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
30 00 00 00 00 01 01
aa aa
00 00 00 00 00 00 00 00 ................
40 39 39 39 39 46 46 46 46 00 00 00 00 00 00 00 00 9999FFFF........
50 0d 01 00 00 00 00 00 00 00 10 00 00 00 00 00 00 ................
60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
70 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
# sg_ses
<dev>
-p4 --hex
HGST H4102-J 2051
Response in hex from diagnostic page: String In (SES)
00 04 00 00 7c 00 10 ed 45 00 1d 63 30 00 00 00 48 ...|...E..c0...H
10 00 00 12 fa 00 00 00 00 00 00 00 03 00 00 0c d5 ................
20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
30 00 00 00 00 01 01
bb bb
00 00 00 00 00 00 00 00 ................
40 38 38 38 38 45 45 46 46 00 00 00 00 00 00 00 00 8888EEFF........
50 0d 01 00 00 00 00 00 00 00 10 00 00 00 00 00 00 ................
60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
70 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
Step 3 :
Use the
sg_ses
utility to query page 7h from the first IOM. Note the OOBM firmware versions,
indicating that the OOBM processors are running.
# sg_ses
<dev>
-p7 | grep -i esce
Element 0 descriptor: ESCE IOMA,1EB1026-30 ,THCLS01018EL002C
,5000CCAB04010E3C,10.202.237.77,00:0C:CA:08:05:08,
2.4.18
Element 1 descriptor: ESCE IOMB,1EB1026-30 ,THCLS01018EL002E
,5000CCAB04010E7C,10.202.237.103,00:0C:CA:08:05:0D,
2.4.18
Step 4 :
Use the
sg_ses
utility to query page 7h from the second IOM. Note the OOBM firmware
versions, indicating that the OOBM processors are running.
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