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Re: Panic on dump over fss



> On 22. Mar 2023, at 13:43, César Catrián C. <ccatrian%eml.cc@localhost> wrote:
> 
> Hi, please help with an issue while running dump(8) over a snapshotted filesystem using fss.
> 
> The system is current 10.99.2 pvh Xen VM, compiled with mar 18 2023 sources, running under NetBSD Xen, current 10.99.2 also, with feb 23 2023 sources.
> 
> Did other successful backups on two stable NetBSD 9.3 VMs.
> 
> The dump file is being put over a nsf share in another NetBSD machine.
> 
> These are the commands used:
> /usr/sbin/fssconfig fss0 /home /var/tmp
> /sbin/mount /dev/fss0 /mnt/fs3
> /sbin/dump -0af - /mnt/fs3 | /usr/bin/bzip2 > /mnt/fs4/backups/current/home.dump.bz2

There is no need to mount the snapshot, the simplest way to dump is:

/sbin/dump -0af - -x /var/tmp /home | ...

Dump will take and release the snapshot for you, see "man dump".

--
J. Hannken-Illjes - hannken%mailbox.org@localhost

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