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тАО10-22-2009 07:20 AM
тАО10-22-2009 07:20 AM
disk performance/usage by logical volume
I have a disk performance issue. I have narrowed this down to two volume groups.
Each only has one disk. Both have multiple raw logical volumes.
I need to identify which raw lvol on my hpux boxes are using the disk and when, and track the performance.
Anyone know how to do this?
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тАО10-23-2009 03:40 AM
тАО10-23-2009 03:40 AM
Re: disk performance/usage by logical volume
if you have Glance, take a look to screen "IO By Logical Volume" (key v).
Regards,
Mounaam
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тАО10-23-2009 04:38 AM
тАО10-23-2009 04:38 AM
Re: disk performance/usage by logical volume
refer to lvols in 2nd section
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тАО10-26-2009 12:34 AM
тАО10-26-2009 12:34 AM
Re: disk performance/usage by logical volume
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тАО10-26-2009 01:03 AM
тАО10-26-2009 01:03 AM
Re: disk performance/usage by logical volume
You can figure out from this screen:
In Glance check,
d Disk Detail
i Disk I/O by File System
v Logical Volume Detail
Also from the top pid , using top io ,
you can do a ps -ef on the pid. You will know the process details and subsequently filesystem/lv details from that as well.
Cheers,
Raj.
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тАО10-27-2009 02:29 AM
тАО10-27-2009 02:29 AM
Re: disk performance/usage by logical volume
I have done this with glance. Is there a way to run glance and monitor only the lvols i am interested in, dumping the output to a file?