I realize I can see per device iostats with zpool or gstat, but I am
interested in specific mount points. Is that possible?
What are the read/writes for "/tank/BBB.monkeybrains.net"? The READS
are low and then jump to a higher value and I'm trying to track it down.
READ/WRITE over past 6 months:
http://www.monkeybrains.net/images/IO-past-6months.png
# zfs list
NAME USED AVAIL REFER MOUNTPOINT
tank 73.1G 368G 39K /tank
tank/AAA.monkeybrains.net 2.54G 7.46G 2.45G
/tank/AAA.monkeybrains.net
tank/BBB.monkeybrains.net 2.64G 97.4G 2.64G
/tank/BBB.monkeybrains.net
tank/CCC.monkeybrains.net 1.39G 98.6G 1.39G
/tank/CCC.monkeybrains.net
# zpool iostat -v
capacity operations bandwidth
pool used avail read write read write
---------- ----- ----- ----- ----- ----- -----
tank 67.5G 380G 12 34 446K 257K
mirror 67.5G 380G 12 34 446K 257K
ad0s2 - - 3 17 276K 258K
ad8s2 - - 3 17 256K 258K
---------- ----- ----- ----- ----- ----- -----
# gstat
dT: 1.001s w: 1.000s
L(q) ops/s r/s kBps ms/r w/s kBps ms/w %busy Name
0 29 6 456 6.1 22 338 2.3 21.7| ad0
0 31 8 615 9.8 22 338 2.3 19.2| ad8
0 26 5 392 4.6 21 318 2.5 3.1| ad0s1
0 3 1 64 13.6 1 20 2.3 19.4| ad0s2
0 26 5 392 10.5 21 318 2.5 5.8| ad8s1
0 5 3 224 8.7 1 20 0.3 16.9| ad8s2
specifically, I am intested in the file systems in ad0s2 and ad8s2.
Thanks if you can point me in the right direction, and thanks if you
read this far!
Rudy
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