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use of utility to record I/O activity against logical volumes - Printable Version

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use of utility to record I/O activity against logical volumes - Ranjaya Praharaj - 05-10-2006

A typical output of sar command
-------------------------------

08:56:22 bread/s lread/s %rcache bwrit/s lwrit/s %wcache pread/s pwrit/s
device %busy avque r+w/s blks/s avwait avserv
08:56:23 0 53 100 4 5 20 0 0

08:56:24 0 4 100 1 4 75 0 0

08:56:25 0 2 100 2 1 0 0 0

08:56:26 0 4 100 5 2 0 0 0
c2t6d0 2.00 0.50 7 56 0.42 3.15
08:56:27 0 14 100 4 6 33 0 0

bdf output is as follows
--------------------------
Filesystem kbytes used avail %used Mounted on
/dev/vg00/lvol3 512000 328988 172284 66% /
/dev/vg00/lvol1 295024 32744 232776 12% /stand
/dev/vg00/lvol8 3145728 1114197 1905102 37% /var
/dev/vg00/lvol7 3145728 670166 2323696 22% /usr
/dev/vg00/lvol6 512000 110922 376612 23% /tmp
/dev/vg00/lvol5 4194304 1009764 2986210 25% /opt
/dev/vg00/lvol4 3149824 432848 2547259 15% /export/home
symsunfs01:/data/build
174761016 26994920 146018488 16% /build

I need to find the output of sar against the above logical file systems instead of physical partition c2t6d0

something like this
Filesystem Reads Writes Transfers
/dev/vg00/lvol3 400 300 700

Please suggest how do i do that


Re: use of utility to record I/O activity against logical volumes - Antonio Maschio (Italy) - 05-10-2006

Please, repost the message enclosing sar output into [pre] [/pre]