On Dec 6, 2007, at 8:48 AM, Konstantinos Pachnis wrote:
James Harrison wrote:
On Wed, 2007-12-05 at 10:41 -0500, Jerry McAllister wrote:
On Tue, Dec 04, 2007 at 05:38:20PM -0700, Steve Franks wrote:
I have / on one slice, and [usr,tmp,var] on others. I want to move
just / to a new disk, which seemed to be what rsync -x ("do not
cross
filesystems") was intended for. It failed, however, as df shows
20k
blocks in /, and rsync filled up the target slice with 50k
blocks, so
obviously it blew right past the 'end' of / - did I miss
something? Is
there no other way except to umount [tmp,usr,var]?
I would use dump/restore.
Build the filesystem in the new disk partition with fdisk, bsdlabel
and newfs as needed. Then mount the new partition somewhere -
example:
mkdir /newpart
mount /dev/ad1s1a /newpart
(presuming new disk is ad1, slice is 1, partition is a)
Doesn't hurt to do an fsck on it here before writing to it, but it
probably isn't really needed.
Then, run the dump/restore
cd /newpart
dump 0af - / | restore -rf -
This will get all of / as you want. The other mountpoints for /
tmp, /usr
and /var will be copied, but not the contents of those
filesystems. You
probably want that.
////jerry
Thanks,
Steve
Everyone's recommending dump/restore for copying file systems, and
there's something that I've never really been clear on.
The nice thing about rsync is that it's network aware. Can dump
dump a
file system across a network?
James
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"
Hi,
If you want to perform network backups, you should consider using a
network aware backup solution such as Bacula or Amanda.
Konstantinos
We do this little trick when we're moving an OS to a new system, and
don't want to reinstall:
https://www.secure-computing.net/wiki/index.php/Dump_Over_SSH
HTH
-----
Eric F Crist
Secure Computing Networks
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