Dump/snapshot problems

[Kris Kennaway]

On Sat, Mar 11, 2006 at 12:37:03PM +0300, Eugene wrote:
> Hi!
> 
> ----- Original Message ----- 
> From: "Kris Kennaway" <kris at obsecurity.org>
> To: "Eugene" <genie at geniechka.ru>
> Cc: <freebsd-fs at freebsd.org>
> Sent: Saturday, March 11, 2006 12:05
> Subject: Re: Dump/snapshot problems
> 
> >> 1) System hangs or at least not accessible over the network and has to 
> >> be
> >> physically reset. Last message on console
> >> Collecting pv entries -- suggest increasing PMAP_SHPGPERPRO?
> >> maxproc limit exceeded by id(0), please see tuning(7) and login.conf(5)
> >> Question: what exactly should I tune?
> >
> >The value of PMAP_SHPGPERPROC in your kernel config, and the maxproc
> >limit as described in those two manpages.
> 
> Well, I can read -) I would like to know why it fails in virtually unloaded 
> system (except for dump) and what parameters/values _in particular_ should 
> be tweaked.

See the NOTES file for discussion of the former, and please read the
manpages.

> >You can ignore the fsync message, it's a side-effect of the snapshot
> >operation not succeeding.  Just retry the dump.
> 
> That's very comforting but why is it not succeding? And I would really like 
> the dump to work automatically (as it did for more than a year before these 
> problems started to appear recently).

I don't know.

Kris
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