If you are using Kernel Zones
-bash-5.2$ zoneadm list -v
ID NAME STATUS PATH BRAND IP
0 global running / solaris shared
1 v0182 running - solaris-kz excl
It is now easier on the global zone to analyze
the I/O of only the disks used by kernel zones
using the wildcard (v0182*) and the new -b (backend) flag
-bash-5.2$ iostat -xnzb -Td v0182* 5 3
Tuesday, April 29, 2025 at 7:58:29 AM EDT
extended device statistics
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
0.3 7.5 18.2 53.7 0.0 0.0 0.0 1.7 0 0 v0182/disk1
0.0 0.0 0.0 9.3 0.0 0.0 0.0 5.1 0 0 v0182/disk2
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0 0 v0182/disk3
Tuesday, April 29, 2025 at 7:58:34 AM EDT
extended device statistics
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
0.6 14.4 25.8 68.4 0.0 0.0 0.0 1.8 0 1 v0182/disk1
0.4 68.2 0.3 58301.9 0.0 0.4 0.0 6.5 0 24 v0182/disk2
Tuesday, April 29, 2025 at 7:58:39 AM EDT
extended device statistics
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
11.0 0.0 37.1 0.0 0.0 0.0 0.0 0.3 0 0 v0182/disk1
0.0 87.2 0.0 52939.6 0.0 0.4 0.0 5.1 0 22 v0182/disk2
And we have similar output on control domains for disks
used in logical domains (Ldoms) on SPARC servers.
-bash-5.2$ iostat -znxMb -T d vds* 5 5
Tuesday, April 29, 2025 at 2:20:19 PM CEST
extended device statistics
r/s w/s Mr/s Mw/s wait actv wsvc_t asvc_t %w %b device
356.5 120.3 16.7 11.1 0.0 0.3 0.0 0.7 0 8 60002AC000000000000004320001507B@primary-vds0
187.3 5.1 10.2 0.1 0.0 0.1 0.0 0.5 0 9 60002AC0000000000000048F0001507B@primary-vds0
Tuesday, April 29, 2025 at 2:20:24 PM CEST
extended device statistics
r/s w/s Mr/s Mw/s wait actv wsvc_t asvc_t %w %b device
135.2 195.0 80.3 118.0 0.0 0.9 0.0 2.8 0 50 60002AC000000000000004320001507B@primary-vds0
Tuesday, April 29, 2025 at 2:20:29 PM CEST
extended device statistics
r/s w/s Mr/s Mw/s wait actv wsvc_t asvc_t %w %b device
178.6 275.6 115.6 103.2 0.0 1.1 0.0 2.3 0 55 60002AC000000000000004320001507B@primary-vds0
Tuesday, April 29, 2025 at 2:20:34 PM CEST
extended device statistics
r/s w/s Mr/s Mw/s wait actv wsvc_t asvc_t %w %b device
236.6 306.4 100.2 109.9 0.0 1.1 0.0 2.1 0 61 60002AC000000000000004320001507B@primary-vds0
Tuesday, April 29, 2025 at 2:20:39 PM CEST
extended device statistics
r/s w/s Mr/s Mw/s wait actv wsvc_t asvc_t %w %b device
196.2 282.0 95.4 117.2 0.0 1.1 0.0 2.4 0 60 60002AC000000000000004320001507B@primary-vds0
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