[DRBD-user] Protocol A Pending

[J.R. Lillard]

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> 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
>
> --
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> >
> > --
> > J.R. Lillard
> > System / Network Admin
> > Web Programmer
> > Golden Heritage Foods
> > 120 Santa Fe St.
> > Hillsboro, KS  67063
> >
> >
> >
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-- 
J.R. Lillard
System / Network Admin
Web Programmer
Golden Heritage Foods
120 Santa Fe St.
Hillsboro, KS  67063
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