snapshot dump hangs
daniel_k_eriksson at telia.com
Wed Jun 9 07:54:01 GMT 2004
Sorry for top-posting, but this is just a "me too" message. CURRENT from
2004-05-30 hangs in the middle of the dump of my /usr partition (and
produces a ton of "DUMP: 99.99% done, finished soon" for / and /var). This
is with "/sbin/dump -0auL".
I tried CURRENT from 2004-06-02 (after the mbuf changes went in), but before
I could get around to try dump the system crashed. I tried a few more times,
but eventually I had to give up on that kernel because it kept crashing
after only a few minutes of operation (and it's a production server, so
downtime is no good and all debugging is turned off). I'm also having
problems with interrupt storms during ATA probing (no matter what recent
kernel I use, and no matter what ACPI & BIOS settings I use), but I'll post
more about that later this week.
> -----Original Message-----
> From: owner-freebsd-current at freebsd.org
> [mailto:owner-freebsd-current at freebsd.org] On Behalf Of Randy Bush
> Sent: den 9 juni 2004 04:53
> To: FreeBSD Current
> Subject: snapshot dump hangs
> i try to dump a live filesys with
> /sbin/rdump 0Luaf remote.sys:/backup/foo/var.dump /dev/twed0s1d
> the screen does
> DUMP: Connection to remote.sys established.
> DUMP: Date of this level 0 dump: Wed Jun 9 01:52:32 2004
> DUMP: Date of last level 0 dump: the epoch
> DUMP: Dumping snapshot of /dev/twed0s1d (/var) to
> /backup/foo/var.dump on host remote.sys
> DUMP: mapping (Pass I) [regular files]
> DUMP: mapping (Pass II) [directories]
> DUMP: estimated 513616 tape blocks.
> DUMP: dumping (Pass III) [directories]
> DUMP: dumping (Pass IV) [regular files]
> and then just hangs forever
> there is nothing in /var/.snap
> i can
> mount -u -o snapshot /var/.snap/snap1 /var
> this is horrifyingly reproducable and happens with other source
> any clues?
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