Date: Tue, 14 Jun 2005 13:48:11 -0500 From: Skylar Thompson <skylar@cs.earlham.edu> To: Michael Grant <mg-fbsd3@grant.org> Cc: freebsd-stable@freebsd.org Subject: Re: disappearing snapshots Message-ID: <42AF266B.80304@cs.earlham.edu> In-Reply-To: <20050611071010.GQ57111@grant.org> References: <20050611071010.GQ57111@grant.org>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig35AFD7AFEE4E8DBACEEB329B Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Michael Grant wrote: >I've been playing with snapshots (mksnap_ffs) recently. I've got a >script which does a daily snapshot and keeps 7 days of history. Last >night, the machine crashed and when it came back up, all the snapshots >referred to the current view of the disk, i.e. I lost the 7-day >history. > >I'm running 5.3-release. > >Has anyone seen this? Snapshots should persist beyond reboots, >shouldn't they? > >(Yes, I am doing the mdconfig and remounting the snap.) > > I haven't seen this specifically, but I have noticed a fair amount of instability related to the snapshot code. I've managed to crash 5.2-RELEASE through 5.4-RELEASE by keeping too many snapshots, or hammering the disk while taking a snapshot, or having a filesystem with lots (close to a million) of files. Have you tried fscking the disk manually from single-user mode? -- -- Skylar Thompson (skylar@cs.earlham.edu) -- http://www.cs.earlham.edu/~skylar/ --------------enig35AFD7AFEE4E8DBACEEB329B Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFCryZvsc4yyULgN4YRAhwyAJ4nKfQyYRp/zjs1XikU0eVSBW/CcQCfVBWN FLrDiDO1Mndb5vLeWTh9dso= =mzgF -----END PGP SIGNATURE----- --------------enig35AFD7AFEE4E8DBACEEB329B--
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