topic Re: corrupt block in Operating System - HP-UX

corrupt block

Dagmar Bendová — Tue, 13 Apr 2004 06:27:12 GMT

Hallo,
Our system is running at OS HP-UX 11.00. Does any utility exist that can found out a corrupt block at disk? I need an utility that can work with raw devices. I tried stm. I can not understand the output file - raw file. There is an error - EIO 5 and description of the mistake is in hexadecimal mode.
Thanks Dadie

Re: corrupt block

Robert-Jan Goossens — Tue, 13 Apr 2004 06:33:41 GMT

Hi,

Diffecult, you could try

# dd if=/dev/rdsk/cxtydz of=dev/null bs=1024

I'm not shore it will report the exact block.

Hope this helps,
Robert-Jan

Re: corrupt block

SureshKumar_2 — Tue, 13 Apr 2004 06:44:32 GMT

Hi

U can always check thru' dd.

dd if= of=/dev/null

U have to get input and output as same.

if any mismatch u can conclude the bad blocks.

Hope this will help you.

suresh

Re: corrupt block

Dagmar Bendová — Tue, 13 Apr 2004 07:04:41 GMT

I have tried cmd dd with this result:
dd read error: Unknown error
1466160+0 records in
1466160+0 records out

Re: corrupt block

Robert-Jan Goossens — Tue, 13 Apr 2004 08:05:09 GMT

Hi Dadie,

Could you check the output from,

# diskinfo -v /dev/rdsk/cxtydz

and check if the number of block correspond to the number of blocks from your dd command.

Regards,
Robert-Jan

Re: corrupt block

Naveej.K.A — Tue, 13 Apr 2004 08:11:53 GMT

Hi dadie,

there is a utility inside stm called the logtool which is used to read the raw logs created stm. execute stm and invoke the logtool utility and specify the location of the raw log file corresponding to your disk. This utility will convert the raw log file into a readable format and will be displayed on the screen.

but as robert said, dd is also a good util to check up the consistency of your disk

With best wishes
Naveej

Re: corrupt block

Dagmar Bendová — Fri, 16 Apr 2004 07:26:52 GMT

Thanks for your answer but I can not understand raw file. Commands dd has finished at I/O error and I donÂ´t know if it is hardware problem or software problem. How can I recognize it? Can command mediainit solve this problem? What I have to do whith this disk?
Thanks, Dad