hi ,
I'm using sun T1000 machines one machine is installed Solaris 10 with UFS and
other system with ZFS file system , ZFS machine is performing slow . Running
following commands on both systems shows Disk get busy immediatly to 100%
######################## ZFS MACHINE############
find / > /dev/null 2>&1 &
iostat -xnmpz 5
[r...@zfs-serv ktahir]# iostat -xnmpz 5
extended device statistics
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
0.4 0.2 12.3 2.2 0.0 0.0 6.5 3.9 0 0 c0d0
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.9 0 0
192.168.150.131:/export/home2
extended device statistics
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
86.4 0.0 5527.4 0.0 0.0 1.0 0.0 11.2 0 97 c0d0
extended device statistics
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
87.4 0.0 5593.7 0.0 0.0 1.0 0.0 11.1 0 96 c0d0
extended device statistics
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
85.2 0.0 5452.8 0.0 0.0 1.0 0.0 11.3 0 96 c0d0
but on UFS file system averge busy is 50% ,
any idea why ZFS makes disk more busy ?
any idea
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