Date: Thu, 23 Mar 2006 16:04:27 -0500 From: Kris Kennaway <kris@obsecurity.org> To: Eugene <genie@geniechka.ru> Cc: freebsd-fs@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: UFS2 Snapshots in 6.1-Beta4 - Confirmed Problems Message-ID: <20060323210426.GA87297@xor.obsecurity.org> In-Reply-To: <007801c64eb9$3db4c050$1b12c055@genie> References: <20060322120033.E5B8916A44B@hub.freebsd.org> <007801c64eb9$3db4c050$1b12c055@genie>
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--5mCyUwZo2JvN/JJP Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Mar 23, 2006 at 11:34:40PM +0300, Eugene wrote: > Hi all! >=20 > While we're on the topic of snapshots, I recently posted this follow-up t= o=20 > the PR kern/66270 "[hang] dump causes machine freeze" >=20 > >I wonder what is the status of this PR? > > I seem to have the same problem with 5.3-RELEASE. > > > > Before this started, system worked nicely for more than a year and then= =20 > >it > > started to hang during dump (seemingly just after mksnap_ffs) first > > intermittently and now reproducibly (might increase in data size be a > > factor? though disk is only about 18% full). > > Originally it hanged and console had complains about increasing > > PMAP_SHPGPERPROC and maxproc. > > After some talk in freebsd-fs, I adjusted these parameters and now it= =20 > >just > > hangs without complaining =3D(( > > > > Any suggestions? >=20 > In addition to this PR, I found a couple of similar threads in different= =20 > lists but they all just have some initial talk and preliminary analysis,= =20 > and then it just stops. Was that snapshot problem fixed or is it the same= =20 > as we are talking now? I can't believe I am the only one in almost 2 year= s=20 > who is (trying to be) doing automated backups... > So, if it was fixed, when (which version)? If not, then when it might be= =20 > and -- in the meantime -- is there any workaround for backups? (The syste= m=20 > is the production server on the colocation so doing backups in single-use= r=20 > mode is not practical). 6.1. Kris --5mCyUwZo2JvN/JJP Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (FreeBSD) iD8DBQFEIw1ZWry0BWjoQKURAn+NAJ9trkPCeLdkNqTKc+C1lksGyf3WSgCeOrC5 r/Gzo0qio59eRQdUrvp/3Yc= =pBL/ -----END PGP SIGNATURE----- --5mCyUwZo2JvN/JJP--
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