linux-nfs-owner@xxxxxxxxxxxxxxx wrote on 06/25/2008 07:29:16 PM:
> But please do not let this caveat stop you from trying this script and
> mountstats script. We definitely need feedback on how well they do or
> don't work (and as always... patches are welcomed! ;-) ) Once things
harden
> up (via any feedback), I'll added the install code to make these scripts
be
> installed (probably in /usr/sbin) which means they will be ready for
> prime time...
Hi Steve,
When I ran this util, it worked the first time:
[root@localhost ~]# /tmp/nfs-iostat
localhost:/local mounted on /nfs:
op/s rpc bklog
1.27 0.01
read: ops/s Kb/s Kb/op retrans
avg RTT (ms) avg exe (ms)
0.619 39.772 64.273 0 (0.0%)
16.889 16.927
write: ops/s Kb/s Kb/op retrans
avg RTT (ms) avg exe (ms)
0.626 39.112 62.523 0 (0.0%)
26.357 4039.241
8.124.111.71:/mnt mounted on /mnt:
op/s rpc bklog
3.00 0.00
read: ops/s Kb/s Kb/op retrans
avg RTT (ms) avg exe (ms)
0.000 0.000 0.000 0 (0.0%)
0.000 0.000
write: ops/s Kb/s Kb/op retrans
avg RTT (ms) avg exe (ms)
0.000 0.000 0.000 0 (0.0%)
0.000 0.000
(KK: for some reason, the real NFS mount gives all zero. Also, for
loopback, the read/write
BW is very poor: less than 40 Kb/s).
But from the next time I ran, and all subsequent runs (and even after a
reboot),
I get:
[root@localhost init.d]# /tmp/nfs-iostat
localhost:/local mounted on /nfs:
op/s rpc bklog
0.04 0.00
read: ops/s Kb/s Kb/op retrans
avg RTT (ms) avg exe (ms)
0.000 0.000 0.000 0 (0.0%)
0.000 0.000
write: ops/s Kb/s Kb/op retrans
avg RTT (ms) avg exe (ms)
0.000 0.000 0.000 0 (0.0%)
0.000 0.000
8.124.111.71:/mnt mounted on /mnt:
op/s rpc bklog
6.00 0.00
read: ops/s Kb/s Kb/op retrans
avg RTT (ms) avg exe (ms)
0.000 0.000 0.000 0 (0.0%)
0.000 0.000
write: ops/s Kb/s Kb/op retrans
avg RTT (ms) avg exe (ms)
0.000 0.000 0.000 0 (0.0%)
0.000 0.000
(KK: every filesystem gives zero for all parameters).
What could be wrong?
Thanks,
- KK
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