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тАО10-31-2002 05:54 PM - last edited on тАО03-02-2014 07:17 PM by Lisa198503
тАО10-31-2002 05:54 PM - last edited on тАО03-02-2014 07:17 PM by Lisa198503
Harddisk Read Error
Hi,
Recently, I've run STM on the hard disks in my Unix server. In the information tool log, there is a read error count of 28 on one of my harddisk.
I've issued "dd if=/dev/dsk/c6t14d0 of=/dev/null bs=1024k" to check for any bad sectors. The return results is okay.
My questions are :
1)With the read error count of 28, do I need to change the harddisk, even if the dd results is okay.
2)Is the figure reflected on the read error or write error an influential factor to replace the harddisk. If so, what is the alarming/critical no.
3)I've been advised to reformat the harddisk. Will this help to clear off the read error?
4)If I were to issue a reformat, how I do determine whether the hardisk is a main or mirrored harddisk ?
Apologise for this lengthty questions as I need to be certain before I called the shots to replace the harddisk.
Thanks in Advance.
Mok
P.S. This thread has been moved from Disk to HP-UX > sysadmin. -HP Forum Moderator
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тАО10-31-2002 08:00 PM
тАО10-31-2002 08:00 PM
Re: Harddisk Read Error
To see where the disk is utilised, type in this:
# pvdisplay -v /dev/dsk/c6t14d0
If it is in a mirrored pair, it will show you the volume group and logical volume assignments.
There are plenty of postings in the forum on replacing disks and disks that are mirrored. If you are in doubt, let us know.
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тАО10-31-2002 11:16 PM
тАО10-31-2002 11:16 PM
Re: Harddisk Read Error
In theory you should change it, however, usually, it depends on you sensitivity of data. If your data is sensitive, or if you don't have any mirroring, then by all means, change the harddisk before the actual crash happens! If you have mirroring or the data in it is not that important, you might as well delay the replacement. Bottom line is... eventually that disk should be replaced anyway.
HTH,
Vince
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тАО11-02-2002 11:25 PM
тАО11-02-2002 11:25 PM
Re: Harddisk Read Error
If it is okay with u guys, can I also have some enlightenment for Qns 1 & 2. Hopefully, the ans will help to clear any doubts I might have.
Thanks.
Mok
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тАО11-03-2002 05:23 AM
тАО11-03-2002 05:23 AM
Re: Harddisk Read Error
Eugeny