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100% busy disks

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promotor

promotor

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Oct 14, 2001
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when I execute the topas command, hdisk2 which is a RAID parity of 4 disks are 100% busy. the lotus notes database is in this hdisk2, what i want to know is if i can determine what makes these disks busy, what files are open... lsof only?

thanks

[noevil]
 
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HI,

To start with I would use "filemon" to establish the buisy filesystems/LVs/files.
Secondly ,If this phenomena lasts for while,I would try decreasing the queue_depth of the RAID disk.

Long live king Moshiach !
 
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An easy way to know wich LV is busy:

lspv hdisk2
VOLUME GROUP: > $VG

lvmstat -d -v $VG
lvmstat -e -v $VG

lvmstat -l $VG

 
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