Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Mon, Jun 25, 2012 at 8:31 AM, Andreas Kurz <andreas at hastexo.com> wrote: > On 06/22/2012 09:38 PM, J.R. Lillard wrote: > > Witnessed another bandwidth spike that slowed my stacked layer down. > > > > 10: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate A r----- > > ns:192538032 nr:0 dw:599650316 dr:1701817080 al:4481613 bm:43214 > > lo:1 pe:2050 ua:0 ap:2049 ep:1 wo:f oos:0 > > resync: used:0/61 hits:3274 misses:165 starving:0 dirty:0 > > changed:165 > > act_log: used:135/3833 hits:788561 misses:25007 starving:0 > > dirty:28 changed:24979 > > You also increased al-extents for the lower-level DRBD device of your > stacked resource? > Yes. They are also at 3833 now. > > Regards, > Andreas > > -- > Need help with DRBD? > http://www.hastexo.com/now > > > > > On Fri, Jun 22, 2012 at 8:24 AM, J.R. Lillard <jlillard at ghfllc.com > > <mailto:jlillard at ghfllc.com>> wrote: > > > > My starving count was pretty high. I maxed out my al-extents and > > will see if that helps. Thanks. > > > > > > On Fri, Jun 22, 2012 at 4:22 AM, Andreas Kurz <andreas at hastexo.com > > <mailto:andreas at hastexo.com>> wrote: > > > > On 06/20/2012 11:51 PM, J.R. Lillard wrote: > > > I have a lower-level setup on Protocol C and a stacked layer > > of Protocol > > > A going through Proxy over a WAN. There are times when my > > disk activity > > > spikes causing the Proxy buffers to fill up a bit. While this > is > > > happening the Pending count on my stacked resources goes up > > and causes > > > my access to those resources to slow down. Is this normal? I > > thought > > > with Protocol A as soon as my local write was finished things > > would > > > continue. > > > > You checked that you are not running out of activity log extents > > for the > > stacked resource? > > > > Do an: echo 1 >/sys/module/drbd/parameters/proc_details > > > > ... and have a look at "starving" counter in /proc/drbd ... > should > > ideally be 0 and definitely not increasing regularly. If it does, > > increase the al-extents value for the stacked resource (max is > > 3833 in > > drbd 8.3 ... IIRC) > > > > Regards, > > Andreas > > > > -- > > Need help with DRBD? > > http://www.hastexo.com/now > > > > > > > > -- > > > J.R. Lillard > > > System / Network Admin > > > Web Programmer > > > Golden Heritage Foods > > > 120 Santa Fe St. > > > Hillsboro, KS 67063 > > > > > > > > > > > > _______________________________________________ > > > drbd-user mailing list > > > drbd-user at lists.linbit.com <mailto:drbd-user at lists.linbit.com> > > > http://lists.linbit.com/mailman/listinfo/drbd-user > > > > > > > > > > > > > > > > > > > _______________________________________________ > > drbd-user mailing list > > drbd-user at lists.linbit.com <mailto:drbd-user at lists.linbit.com> > > http://lists.linbit.com/mailman/listinfo/drbd-user > > > > > > > > > > -- > > J.R. Lillard > > System / Network Admin > > Web Programmer > > Golden Heritage Foods > > 120 Santa Fe St. > > Hillsboro, KS 67063 > > > > > > > > > > -- > > J.R. Lillard > > System / Network Admin > > Web Programmer > > Golden Heritage Foods > > 120 Santa Fe St. > > Hillsboro, KS 67063 > > > > > > > > _______________________________________________ > > drbd-user mailing list > > drbd-user at lists.linbit.com > > http://lists.linbit.com/mailman/listinfo/drbd-user > > > > > > > > _______________________________________________ > drbd-user mailing list > drbd-user at lists.linbit.com > http://lists.linbit.com/mailman/listinfo/drbd-user > > -- J.R. Lillard System / Network Admin Web Programmer Golden Heritage Foods 120 Santa Fe St. Hillsboro, KS 67063 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.linbit.com/pipermail/drbd-user/attachments/20120625/5a2c15fa/attachment.htm>