Date: Sat, 11 Mar 2006 04:05:32 -0500 From: Kris Kennaway <kris@obsecurity.org> To: Eugene <genie@geniechka.ru> Cc: freebsd-fs@freebsd.org Subject: Re: Dump/snapshot problems Message-ID: <20060311090532.GA43378@xor.obsecurity.org> In-Reply-To: <004c01c644e8$c05c8c70$1b12c055@genie> References: <004c01c644e8$c05c8c70$1b12c055@genie>
next in thread | previous in thread | raw e-mail | index | archive | help
--xHFwDpU9dbj6ez1V Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Mar 11, 2006 at 11:49:26AM +0300, Eugene wrote: > Hi people, >=20 > Sometimes I have strange problems with dump -- or, rather, with snapshot = it > makes. > System is FreeBSD 5.3, default kernel configuration >=20 > Two types of 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) >=20 > 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. > 2) Dump process dies with message > mksnap_ffs: Cannot create //.snap/dump_snapshot: Resource temporarily > unavailable > dump: Cannot create //.snap/dump_snapshot: No such file or directory >=20 > dmesg message > fsync: giving up on dirty: 0xc57b5d68: tag devfs, type VCHR, usecount 602= 63, > writecount 0, refcount 960, flags (VV_OBJBUF), lock type devfs: EXCL > (count 1) by thread 0xc610f7d0 (pid 87575) > dev ad4s1a >=20 > What is wrong? What is '0xc57b5d68' (number is repeating)? You can ignore the fsync message, it's a side-effect of the snapshot operation not succeeding. Just retry the dump. Kris --xHFwDpU9dbj6ez1V Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (FreeBSD) iD8DBQFEEpLcWry0BWjoQKURAij0AKDUC1sX92Gg3ikvCff9Hd46nuuRBwCgld08 9hb/qo+AP1vthTkXj7c2u5A= =f3S3 -----END PGP SIGNATURE----- --xHFwDpU9dbj6ez1V--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20060311090532.GA43378>