[OpenIndiana-discuss] iostat

[Jonathan Adams]

Ouch! they are _some_ drives ...

do you have "swap" running on them? how much ram do you have in that
machine?


On 11 October 2013 16:44, Jason Matthews <jason at broken.net> wrote:

>
> i would say so. they are 800gb intel dc s3700s
>
> j.
>
> Sent from Jasons' hand held
>
> On Oct 11, 2013, at 1:08 AM, Jonathan Adams <t12nslookup at gmail.com> wrote:
>
> > do you have "Enterprise" grade disks in your machine?  We saw a lot of %b
> > and %w associated with "Consumer" Seagate disks ... not all the time, and
> > not for over a year in production, but once it started happening across
> > multiple servers we cottoned on pretty quickly.
> >
> >
> > On 10 October 2013 21:39, jason matthews <jason at broken.net> wrote:
> >
> >>
> >> I am not sure when reporting zpool stats was introduced into iostat but
> i
> >> love it. however, i am not sure what to make of it.
> >>
> >> For instance, what does a wsvc time of 20 seconds tell me? seems like my
> >> queue is too big but that is not reflected in individual device
> statistics.
> >> in the case of zpools, is this some sort of reflection on transaction
> >> groups?
> >>
> >> can anyone explain why i see such large time associated with zpool in
> the
> >> iostat output?
> >>
> >> thanks,
> >> j.
> >>
> >>                    extended device statistics
> >>    r/s    w/s        Mr/s   Mw/s    wait     actv  wsvc_t asvc_t  %w  %b
> >>  device
> >>    0.0 3958.7    0.0  300.7       0.1     18.8   0.0       4.7        0
> >> 153   c3
> >>    0.0   11.8       0.0    0.1         0.0      0.0    0.0       0.6
> >>    0       0    c3t55CD2E400012A66Cd0
> >>    0.0    0.0        0.0    0.0         0.0      0.0    0.0       0.0
> >>    0       0    c3t55CD2E400012B753d0
> >>    0.0 2679.7    0.0  149.1       0.1      9.9    0.0       3.7        5
> >>    80    c3t50015178F36579E8d0
> >>    0.0 1267.2    0.0  151.5       0.0      8.8    0.0       7.0        3
> >>    73    c3t50015178F3657B74d0
> >>    0.0    0.0        0.0    0.0          0.0      0.0    0.0       0.0
> >>     0       0    c3t50015178F3657AECd0
> >>    0.0    0.0        0.0    0.0         0.0       0.0    0.0       0.0
> >>     0       0    c3t50015178F36579E1d0
> >>    0.0    0.0        0.0    0.0         0.0       0.0    0.0       0.0
> >>     0       0    c3t50015178F3657B85d0
> >>    0.0    0.0        0.0    0.0         0.0       0.0    0.0       0.0
> >>     0       0    c3t50015178F36579BAd0
> >>    0.0    0.0        0.0    0.0         0.0       0.0    0.0       0.0
> >>     0       0    c3t50015178F3657A05d0
> >>    0.0    0.0        0.0    0.0         0.0       0.0    0.0       0.0
> >>     0       0    c3t50015178F36579FEd0
> >>    0.0    0.0        0.0    0.0         0.0       0.0    0.0       0.0
> >>     0       0    c5
> >>    0.0    0.0        0.0    0.0         0.0       0.0    0.0       0.0
> >>     0       0    c5t4d0
> >>    0.0 3946.1    0.0  300.6  80582.9 26.2 20421.0  6.6  88    89 data
> >>    0.0   11.6    0.0    0.1  0.0  0.0    1.1    0.8   0   0 rpool
> >>
> >>
> >> _______________________________________________
> >> OpenIndiana-discuss mailing list
> >> OpenIndiana-discuss at openindiana.org
> >> http://openindiana.org/mailman/listinfo/openindiana-discuss
> > _______________________________________________
> > OpenIndiana-discuss mailing list
> > OpenIndiana-discuss at openindiana.org
> > http://openindiana.org/mailman/listinfo/openindiana-discuss
>
> _______________________________________________
> OpenIndiana-discuss mailing list
> OpenIndiana-discuss at openindiana.org
> http://openindiana.org/mailman/listinfo/openindiana-discuss
>