backup system rsync <-> dump

[Iantcho Vassilev]

I am using rsync for syncing fwo hard disk(with all the files or make it hot
backup) and must say rsync is perfect..
It will save you a lot of time.


On 5/2/06, dick hoogendijk <dick at nagual.st> wrote:
>
> I have two disks; one is the fbsd system drive, the other is for backup
> purposes.
>
> I'm in doubt about what to use: dump or rsync
>
> I guess I can do something like:
> mount /dev/ad1s3a /backup/root
> mount /dev/ad1s3d /backup/var
> mount /dev/ad1s3f /backup/usr
> /usr/local/bin/rsync -avHxS --delete /usr /backup/usr
> for /usr / and var
>
> OR
>
> #!/bin/sh
> newfs /dev/ad0s3a
> newfs /dev/ad0s3d
> newfs /dev/ad0s3f
> mount /dev/ad0s3a /backup/root
> mount /dev/ad0s3d /backup/var
> mount /dev/ad0s3f /backup/usr
> (/sbin/dump -L -0f - /)|(cd /backup/root ; /sbin/restore -rf -)
> (/sbin/dump -L -0f - /var)|(cd /backup/var ; /sbin/restore -rf -)
> (/sbin/dump -L -0f - /usr)|(cd /backup/usr ; /sbin/restore -rf -)
> umount /backup/root
> umount /backup/var
> umount /backup/usr
> tunefs -n enable /dev/ad0s3d
> tunefs -n enable /dev/ad0s3f
>
> This gives me a perfect copy, BUT there is a risk if something goes
> wrong when I have newfs'd the backup drive.
>
> Any advice?
>
> --
> dick -- http://nagual.st/ -- PGP/GnuPG key: F86289CE
> ++ Running FreeBSD 6.1 ++ The Power to Serve
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