Solaris disk performance
Running Solaris 11.3 Sparc64 and having some issue with slow databases. Trying to figure out if disks are behaving OK.
At moment of issue, THIS is what I get (many disks mounted). Do you see any issue ?
$ sar -d 1 1
SunOS server 5.11 11.3 sun4v 09/06/2022
16:47:28 device %busy avque r+w/s blks/s avwait avserv
16:47:29 iscsi0 0 0.0 0 0 0.0 0.0
scsi_vhc 0 0.0 0 0 0.0 0.0
nfs1 0 0.0 0 0 0.0 0.0
vdc0 0 0.0 0 0 0.0 0.0
vdc1 0 0.0 0 0 0.0 0.0
vdc2 0 0.0 0 0 0.0 0.0
vdc3 0 0.0 0 0 0.0 0.0
vdc4 0 0.0 0 0 0.0 0.0
vdc5 0 0.0 0 0 0.0 0.0
vdc6 0 0.0 0 0 0.0 0.0
vdc7 89 0.9 1577 25232 0.0 0.6
vdc8 0 0.0 0 0 0.0 0.0
vdc9 78 0.8 1269 20296 0.0 0.6
vdc10 3 0.0 14 221 0.0 1.9
vdc11 52 0.6 1028 21889 0.0 0.6
vdc12 0 0.0 0 0 0.0 0.0
vdc13 0 0.0 0 0 0.0 0.0
vdc14 0 0.0 0 0 0.0 0.0
vdc15 0 0.0 0 0 0.0 0.0
vdc16 99 6.9 8688 752056 0.0 0.8
vdc17 0 0.0 0 0 0.0 0.0
vdc18 0 0.0 1 16 0.0 0.8
vdc19 0 0.0 0 0 0.0 0.0
vdc20 0 0.0 0 0 0.0 0.0
vdc21 0 0.0 0 0 0.0 0.0
vdc22 0 0.0 1 16 0.0 0.7
vdc23 0 0.0 0 0 0.0 0.0
vdc24 0 0.0 0 0 0.0 0.0
vdc25 0 0.0 0 0 0.0 0.0
vdc26 0 0.0 0 0 0.0 0.0
vdc27 0 0.0 0 0 0.0 0.0
vdc28 0 0.0 0 0 0.0 0.0
vdc29 0 0.0 0 0 0.0 0.0
vdc51 0 0.0 0 0 0.0 0.0
vdc66 71 2.3 17 311 0.0 137.0
vdc68 0 0.0 0 0 0.0 0.0
vdc69 0 0.0 0 0 0.0 0.0
vdc70 0 0.0 0 0 0.0 0.0
vdc71 0 0.0 0 0 0.0 0.0
vdc72 0 0.0 0 0 0.0 0.0
vdc82 0 0.0 0 0 0.0 0.0
vdc83 0 0.0 0 0 0.0 0.0
vdc84 0 0.0 0 0 0.0 0.0
vdc85 0 0.0 0 0 0.0 0.0
vdc86 0 0.0 0 0 0.0 0.0
vdc87 0 0.0 0 0 0.0 0.0
vdc88 0 0.0 0 0 0.0 0.0