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how to know file system from iostat output.. [message #139333]

Tue, 27 September 2005 09:17

bhavind
Messages: 8
Registered: September 2005

Junior Member

Hi frends,

I have a output from iostat -xtc which shows below :

/var/opt/oracle> iostat -xtc
extended device statistics tty cpu
device r/s w/s kr/s kw/s wait actv svc_t %w %b tin tout us sy wt id
sd0 0.6 5.4 18.5 41.3 0.0 0.0 8.1 0 3 3 169 34 12 14 40
sd1 6.2 1.0 96.3 12.6 0.0 0.1 7.7 0 1
sd2 0.0 1.5 0.6 50.1 0.0 0.0 11.1 0 1
sd30 0.8 5.4 22.1 41.3 0.0 0.0 7.3 0 3
sd31 6.1 0.8 95.4 11.7 0.0 0.1 9.4 0 1
sd60 6.2 0.9 96.3 12.6 0.0 0.0 6.8 0 1
sd61 6.1 0.9 95.5 11.7 0.0 0.0 6.6 0 1
sd62 0.0 0.3 0.6 1.6 0.0 0.0 7.1 0 0
sd90 0.0 0.0 0.0 0.0 0.0 0.0 0.8 0 0
ssd2 64.0 20.5 1199.7 171.9 0.1 2.1 26.3 0 44
ssd3 47.1 4.4 1461.2 39.5 0.0 0.7 14.4 0 24
ssd4 5.2 25.1 232.2 612.3 0.0 0.3 11.3 0 17
ssd5 0.3 5.7 3.8 46.5 0.0 0.0 4.5 0 2
ssd6 1.9 22.3 39.1 266.9 0.0 0.2 9.9 0 15
ssd7 1.9 21.2 38.9 257.8 0.0 0.1 4.0 0 7
ssd8 2.0 21.4 40.4 263.4 0.0 0.2 10.0 0 14
ssd9 0.3 3.1 4.6 164.8 0.0 0.1 23.2 0 2
ssd10 62.7 20.6 1175.9 173.2 0.1 1.9 24.9 0 43
ssd11 46.7 4.9 1446.8 43.1 0.0 0.7 14.3 0 24
ssd12 5.1 26.6 226.5 616.5 0.0 0.3 10.2 0 17
ssd13 0.2 5.7 3.6 46.1 0.0 0.0 4.5 0 2
ssd14 1.8 16.1 33.0 214.3 0.0 0.2 9.6 0 12
ssd15 1.8 17.3 33.1 223.6 0.0 0.1 4.0 0 6
ssd16 1.9 16.9 35.6 218.1 0.0 0.2 9.5 0 12
ssd17 0.3 3.0 4.1 159.1 0.0 0.1 20.4 0 2
ssd18 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0 0
ssd19 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0
ssd20 0.0 0.0 0.1 1.6 0.0 0.0 25.5 0 0
ssd21 0.0 0.0 0.1 1.5 0.0 0.0 23.3 0 0
ssd22 0.7 0.7 15.1 9.8 0.0 0.0 9.1 0 1
ssd23 0.7 0.7 15.6 9.9 0.0 0.0 9.2 0 1
ssd24 3.1 0.4 101.8 5.2 0.0 0.1 19.2 0 4
ssd25 3.1 0.4 101.8 5.1 0.0 0.1 18.3 0 3

Now here I have 26.3 msec service time for device .. Now I want to know mounted filesystem on this device..

We are using oracle 9.2 on solaris 5.9 .

Output of Mount Command :

er-dbb-up01: /var/opt/oracle> mount
/ on /dev/vx/dsk/rootvol read/write/setuid/intr/largefiles/logging/xattr/onerror=panic/dev=4100000 on Sun Feb 13 08:45:17 2005
/proc on /proc read/write/setuid/dev=49c0000 on Sun Feb 13 08:45:16 2005
/etc/mnttab on mnttab read/write/setuid/dev=4a80000 on Sun Feb 13 08:45:16 2005
/dev/fd on fd read/write/setuid/dev=4ac0000 on Sun Feb 13 08:45:17 2005
/var on /dev/vx/dsk/var read/write/setuid/intr/largefiles/logging/xattr/onerror=panic/dev=4100006 on Sun Feb 13 08:45:50 2005
/var/run on swap read/write/setuid/xattr/dev=1 on Sun Feb 13 08:45:50 2005
/tmp on swap read/write/setuid/xattr/size=1024m/dev=2 on Sun Feb 13 08:46:01 2005
/opt on /dev/vx/dsk/opt read/write/setuid/intr/largefiles/logging/xattr/onerror=panic/dev=4100005 on Sun Feb 13 08:46:01 2005
/u03 on /dev/vx/dsk/bbp1_redodg2/u03 read/write/setuid/delaylog/largefiles/qio/ioerror=mwdisable/dev=4105dc0 on Sun Feb 13 08:46:02 2005
/u02 on /dev/vx/dsk/bbp1_redodg1/u02 read/write/setuid/delaylog/largefiles/qio/ioerror=mwdisable/dev=410b798 on Sun Feb 13 08:46:02 2005
/u08 on /dev/vx/dsk/bbp1_indexdg/u08 read/write/setuid/delaylog/largefiles/qio/ioerror=mwdisable/dev=4117ed0 on Sun Feb 13 08:46:02 2005
/u07 on /dev/vx/dsk/bbp1_datadg/u07 read/write/setuid/delaylog/largefiles/qio/ioerror=mwdisable/dev=410cb20 on Sun Feb 13 08:46:02 2005
/apps on /dev/vx/dsk/systemdg/apps read/write/setuid/delaylog/largefiles/qio/ioerror=mwdisable/dev=41080ea on Sun Feb 13 08:46:03 2005
/u06 on /dev/vx/dsk/bbp1_tmpdg/u06 read/write/setuid/delaylog/largefiles/qio/ioerror=mwdisable/dev=41061a8 on Sun Feb 13 08:46:03 2005
/u04 on /dev/vx/dsk/bbp1_redodg3/u04 read/write/setuid/delaylog/largefiles/qio/ioerror=mwdisable/dev=411b198 on Sun Feb 13 08:46:03 2005
/u05 on /dev/vx/dsk/bbp1_rbdg/u05 read/write/setuid/delaylog/largefiles/qio/ioerror=mwdisable/dev=4116760 on Sun Feb 13 08:46:03 2005
/backups on /dev/vx/dsk/systemdg/backups read/write/setuid/delaylog/largefiles/qio/ioerror=mwdisable/dev=41080e9 on Sun Feb 13 08:46:03 2005
/u01 on /dev/vx/dsk/bbp1_oracledg/u01 read/write/setuid/delaylog/largefiles/qio/ioerror=mwdisable/dev=41109a0 on Sun Feb 13 08:46:03 2005
/export/home on /dev/vx/dsk/home read/write/setuid/intr/largefiles/logging/xattr/onerror=panic/dev=4100007 on Sun Feb 13 08:46:06 2005

I want to know file system mounted on device ssd2 which has high service io time..

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Re: how to know file system from iostat output.. [message #140255 is a reply to message #139333]

Mon, 03 October 2005 04:28

girish.rohini
Messages: 744
Registered: April 2005
Location: Delhi (India)

Senior Member

Why dont you use other options od iostat like -xPn etc for getting device information?
I think this will give a more readable & easily understandable output.

--Girish

[Updated on: Mon, 03 October 2005 04:29]

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