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тАО03-17-2003 10:01 AM
тАО03-17-2003 10:01 AM
I have read that I should disable bad block relocation policy for disks on my HP-UX box that are on/connected via a SAN that is connected via Fibre Channel because the SAN array does the bad block relocation for me. If so and believe it is, should I do a `lvchange -r n /dev/vgname/lvname` or `lvchange -r N /dev/vgname/lvname` ?
Thanks!
- Justin
Solved! Go to Solution.
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тАО03-17-2003 10:08 AM
тАО03-17-2003 10:08 AM
SolutionIt does not really matter as long as the LVM does not attempt to relocate a bad block which is accomplished by both options.
-r N does not even maintain a bad block directory which is a preferred option to me as we dont' want to care about the bad blocks at all.
-Sri
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тАО03-17-2003 10:12 AM
тАО03-17-2003 10:12 AM
Re: SAN & Bad Block Relocation Policy
For an EMC2 SAN, you want to use '-N' which prevents bad block relocation *and* the Bad Block Directory.
When done, an 'lvdisplay' of the changed logical volume will show "Bad block NONE".
Regards!
...JRF...
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тАО03-17-2003 10:12 AM
тАО03-17-2003 10:12 AM
Re: SAN & Bad Block Relocation Policy
#lvchange -r N /dev/vgname/lvname
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тАО03-17-2003 10:13 AM
тАО03-17-2003 10:13 AM
Re: SAN & Bad Block Relocation Policy
The command I have always used is the lvchange -r N ....
Rgrds,
Rita
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тАО03-17-2003 10:15 AM
тАО03-17-2003 10:15 AM
Re: SAN & Bad Block Relocation Policy
Thanks All, that answers my question!
- Justin