[HPADM] RE: SCSI: Read error
From: Sabrina Lautier (slautier_at_amadeus.net)
Date: 10/23/03
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To: hpux-admin@DutchWorks.nl Date: Thu, 23 Oct 2003 17:32:30 +0200
First of all, thanks a lot all for your quick answers.
The concerned disk is the 2nd internal disk c2t2d0
According to the following commands it seems ok:
$ ioscan -kfnC disk
PV Name /dev/dsk/c2t2d0
VG Name /dev/vg00
PV Status available
Allocatable yes
VGDA 2
Cur LV 7
PE Size (Mbytes) 4
Total PE 4340
Free PE 8
Allocated PE 4332
Stale PE 0
IO Timeout (Seconds) default
Autoswitch On
$ ioscan -kfnC disk
Class I H/W Path Driver S/W State H/W Type
Description
==================================================================================
disk 0 0/0/1/1.2.0 sdisk CLAIMED DEVICE
SEAGATE ST318203LC
/dev/dsk/c1t2d0 /dev/rdsk/c1t2d0
disk 1 0/0/2/0.2.0 sdisk CLAIMED DEVICE
SEAGATE ST318404LC
/dev/dsk/c2t2d0 /dev/rdsk/c2t2d0
...
PS: the 2 internal disks are mirrored
When I try to query the drive with the support tools manager (xstm), I got
an successful answer (although the disk status is not specified).
Any idea of other (deeper) tests I can perform on it ?
With SunOs I used to run the fsck command which test and repair the bad
blocs.
Is there an equivalent command on HP-UX ?
Regards,
Sabrina Lautier
Amadeus SAS
DEV-IIS-OAU-SYS
+33 (0)4 97 23 09 56
slautier@amadeus.net
From: "Talavera, Jesus" <TalavJ@europe.stortek.com> on 23/10/2003 15:25
To: "'Sabrina Lautier'"
<slautier@amadeus.net>
cc:
Subjec RE: [HPADM] SCSI: Read error
t:
Hi Sabrina,
You can locate the physical disk in which the failure is reported
by doing the following:
#cd /dev/dsk
#ls -ltr | grep "0x022000"
The number 0x022000 is the minor number the OS assings to the
device file /dev/dsk/cXtXdX and it can be used to see which device has the
error.
Once you know which disk is, you can run ioscan -kfnC disk to see
is the disk is on an state diferent than CLAIMED, you can see a descripcion
off this statues in the ioscan man page. But remember the -k switch in the
ioscan reads the current kernel tables, that means, the information could
not be updated.
Also you can do a "pvdisplay /dev/dk/cXtXdX", and check if there is
any PE in a status different the current, only if the PE status is current
the everyting is rigth otherwise change the disk as soon as possible. Other
PE statues could be stale ( = status ) and ???? ( = very bad status) .
I hope this helps. Regards.
-----Mensaje original-----
De: Sabrina Lautier [mailto:slautier@amadeus.net]
Enviado el: jueves, 23 de octubre de 2003 15:34
Para: hpux-admin@DutchWorks.nl
Asunto: [HPADM] SCSI: Read error
All,
Since the 15th of September, we're getting the same error message in
/var/adm/syslog/syslog.log file:
<date> <server> vmunix: SCSI: Read error -- dev: b 31 0x022000, errno: 126,
resid: 2048,
<date> <server> vmunix: blkno: 8, sectno: 16, offset: 8192, bcount:
2048.
This error is reported more than every seconds.
I'm trying to find where the Pb is, but I'm quite new to HP-UX (I know
SunOS pretty well, but HP-UX not at all...).
This HP server has 2 internal disks and a EMC disk array attached to it.
This disk array is monitored by EMC and they told me that this Pb is not
related to it.
The Pb should then come from the internal disks (SEAGATE T318203LC).
PS: how to check if these disks are SCSI or IDE one ?
Does anybody have ever experienced a such Pb ?
Thanks a lot for any help.
Rgds
Sabrina Lautier
Amadeus SAS
DEV-IIS-OAU-SYS
+33 (0)4 97 23 09 56
slautier@amadeus.net
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