Hallo All,

We get glm messages from one of tape drive at L20 jukebox (on SUN machine).
Here I quote some message from /var/adm/messages:

"..
Jul 15 08:42:15 advcom scsi: [ID 365881 kern.info] /pci@9,600000/scsi@2 (glm1):
Jul 15 08:42:15 advcom  Cmd (0x43d9268) dump for Target 1 Lun 0:
Jul 15 08:42:15 advcom scsi: [ID 365881 kern.info] /pci@9,600000/scsi@2 (glm1):
Jul 15 08:42:15 advcom          cdb=[ 0x1b 0x0 0x0 0x0 0x0 0x0 ]
Jul 15 08:42:15 advcom scsi: [ID 365881 kern.info] /pci@9,600000/scsi@2 (glm1):
Jul 15 08:42:15 advcom  pkt_flags=0x0 pkt_statistics=0x61 pkt_state=0x7
Jul 15 08:42:15 advcom scsi: [ID 365881 kern.info] /pci@9,600000/scsi@2 (glm1):
Jul 15 08:42:15 advcom  pkt_scbp=0x0 cmd_flags=0xe1
Jul 15 08:42:15 advcom scsi: [ID 107833 kern.warning] WARNING: 
/pci@9,600000/scsi@2 (glm1):
Jul 15 08:42:15 advcom  Disconnected command timeout for Target 1.0
Jul 15 08:42:15 advcom genunix: [ID 408822 kern.info] NOTICE: glm1: fault 
detected in device; service still available
Jul 15 08:42:15 advcom genunix: [ID 611667 kern.info] NOTICE: glm1: 
Disconnected command timeout for Target 1.0
Jul 15 08:42:15 advcom glm: [ID 160360 kern.warning] WARNING: 
ID[SUNWpd.glm.cmd_timeout.6016]
Jul 15 08:42:15 advcom scsi: [ID 107833 kern.warning] WARNING: 
/pci@9,600000/scsi@2/st@1,0 (st8):
Jul 15 08:42:15 advcom  SCSI transport failed: reason 'timeout': retrying 
command
Jul 15 08:42:18 advcom scsi: [ID 107833 kern.warning] WARNING: 
/pci@9,600000/scsi@2/st@1,0 (st8):
Jul 15 08:42:18 advcom  Error for Command: load/start/stop         Error Level: 
Fatal
Jul 15 08:42:18 advcom scsi: [ID 107833 kern.notice]    Requested Block: 0      
                   Error Block: 0
Jul 15 08:42:18 advcom scsi: [ID 107833 kern.notice]    Vendor: QUANTUM         
                   Serial Number:          N
Jul 15 08:42:18 advcom scsi: [ID 107833 kern.notice]    Sense Key: Unit 
Attention
Jul 15 08:42:18 advcom scsi: [ID 107833 kern.notice]    ASC: 0x29 (<vendor 
unique code 0x29>), ASCQ: 0x3, FRU: 0x0
Jul 15 08:42:18 advcom root: [ID 702911 daemon.notice] NetWorker media: 
(warning) /dev/rmt/0cbn moving: Unit Attention
.."

-----------------------------------------
And I quote this from log file (daemon.log):

"..
07/15/03 03:24:31 nsrd: media info: loading volume Com_advcom_br.006 into 
/dev/rmt/0cbn
07/15/03 03:25:04 nsrd: /dev/rmt/0cbn  Verify label operation in progress
07/15/03 03:26:28 nsrd: /dev/rmt/0cbn  Mount operation in progress
07/15/03 03:39:27 nsrd: write completion notice: Writing to volume 
Com_advcom_br.006 complete
07/15/03 03:41:19 nsrd: /dev/rmt/0cbn  Eject operation in progress
..

07/15/03 08:42:18 nsrmmd #6: /dev/rmt/0cbn: err code 70, sns key 06, asc 29, 
ascq 03
07/15/03 08:42:18 nsrd: media warning: /dev/rmt/0cbn moving: Unit Attention

..
07/15/03 08:42:50 nsrd: media info: loading volume ArchiveLog.007 into 
/dev/rmt/0cbn
07/15/03 08:43:24 nsrd: /dev/rmt/0cbn  Verify label operation in progress
07/15/03 08:44:48 nsrd: /dev/rmt/0cbn  Mount operation in progress
07/15/03 08:49:59 nsrd: write completion notice: Writing to volume 
ArchiveLog.007 complete
07/15/03 08:50:53 nsrd: /dev/rmt/0cbn  Eject operation in progress
..

07/15/03 08:51:50 nsrd: media info: loading volume Com_advcom_br_arc.006 into 
/dev/rmt/0cbn
07/15/03 08:52:23 nsrd: /dev/rmt/0cbn  Verify label operation in progress
07/15/03 08:53:15 nsrd: /dev/rmt/0cbn  Mount operation in progress
07/15/03 08:55:15 nsrd: write completion notice: Writing to volume 
Com_advcom_br_arc.006 complete
07/15/03 08:56:18 nsrd: /dev/rmt/0cbn  Eject operation in progress
.."

Anyone can explain what happened here? Because in the beginning, this glm 
messages
can make SUN machine hang (before hardware replacement).
FYI, Local SUN Engineer already replace tape drive twice and a Dual SCSI 
Differential PCI
(hardware) - of course this is known by their CSC in Asia Pacific. :D
We also already applied glm patch to the system. Unfortunately this message 
still occurred.

Thank you for your supports and cooperations.

Wassalam,
_________________________________________
Irwan Kurniawan
Service Engineer
PT Siemens Indonesia
Jl. MT Haryono Kav. 58-60
Jakarta 12780 - Indonesia

"Better team-works can lead us to better results"
_________________________________________

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