topic HARD DISK FAILED in Operating System - HP-UX

HARD DISK FAILED

shridhar_1 — Mon, 26 Dec 2005 02:39:41 GMT

please provide valuable suggestions

any user is not allowed to login except root

bdf, vmstat, swpinfo outputs are ok

OS : HP UX 10.20

# tail /var/adm/syslog/syslog.log
Dec 25 22:23:44 vmunix:
Dec 25 22:23:44 vmunix: SCSI: Unexpected Disconnect -- lbolt: 504689, de
v: 1f002000, io_id: 57836
Dec 25 22:23:44 vmunix: LVM: vg[5]: pvnum=0 (dev_t=0x1f002000) is POWERF
AILED
Dec 25 22:23:44 vmunix: LVM: PV 0 has been returned to vg[5].

# dd if=/dev/dsk/c0t2d0 of=/dev/null bs=1024
8886762+0 records in
8886762+0 records out

thanks

shri

Re: HARD DISK FAILED

Yogeeraj_1 — Mon, 26 Dec 2005 02:44:05 GMT

hi,

does the output of:

ioscan -fnC disk

look ok?

kind regards
yogeeraj

Re: HARD DISK FAILED

Shameer.V.A — Mon, 26 Dec 2005 03:24:35 GMT

check with ioscan & diskinfo that whether the disk is still active. You may change or refix the connections of your hard disk , which is having problem.
Please post the output of dmesg, ioscan -fnC disk, diskinfo

shameer

Re: HARD DISK FAILED

shridhar_1 — Mon, 26 Dec 2005 03:32:01 GMT

I m able to take tar backup of the whole disk yesterday at the same time ie Dec 25 22:15 to 23:45

ioscan output shows the disk is claimed

thanks

shridhar

Re: HARD DISK FAILED

Devender Khatana — Mon, 26 Dec 2005 07:49:03 GMT

Hi,

This are the initial symptoms of a disk failure ? Removing the disk mentioned shall remove the I/O problems and shall rectofy the problem. There will not be any problem in backup if the disk is mirrored.

It is time to replace the disk and if not mirrored restore backup after replacing disk.

Best Regards,
Devender

Re: HARD DISK FAILED

shridhar_1 — Mon, 26 Dec 2005 08:05:38 GMT

thanks to all

I am planning to change the
harddisk

please tell me why my users were
not able to login the system

regards

shri

Re: HARD DISK FAILED

Henk Geurts — Mon, 26 Dec 2005 08:38:11 GMT

it looks like the machine is in " single user mode" .(only root has access)
you can see it with command:
who -r
which will show run level.

regards..

Re: HARD DISK FAILED

shridhar_1 — Mon, 26 Dec 2005 23:44:45 GMT

server is not in single user mode

this problem is intermitant

user sometimes not able to login

thanks

shri

Re: HARD DISK FAILED

Arunvijai_4 — Mon, 26 Dec 2005 23:48:02 GMT

Hello Shri, Start inetd in logging mode #inetd -l and check /var/adm/syslog/syslog.log for more details about what telnetd did during a user tried to logon to the system.

-Arun

Re: HARD DISK FAILED

Devender Khatana — Tue, 27 Dec 2005 00:57:43 GMT

Hi,

Apart from disk these could be related to the cable /Termination as well. Try fixing the cables / connectors to the disk device mentioned. If the problem still persists I would recomend to check the whole disk for read atleast using dd. That will be the best way to verify the disk. The problem could be intermediant as the problem occurs only when accessing a particular portion of disk.

HTH,
Devender

Re: HARD DISK FAILED

shridhar_1 — Thu, 29 Dec 2005 04:57:53 GMT

THANKS

shri