[linux-lvm] restoring filesystem state using snapshot
kanikanema at hotmail.com
Fri Jan 9 13:19:02 UTC 2004
i was having some problems installing lvm.
1. when i try to change the partition type using fdisk, i get a msg sayin
"No partition created yet!"
i have a 3gb hdd, with 3 partitions
hdb1 --- ext2
hdb5 --- swap
hdb6 --- ext2 ( abt 800mb)
2. so, then i did vgscan, followed by pvcreate on hdb6 without changing the
After this i got a file system error, and linux crashed.
Then i created a new partition for lvm
1. i added this partion by using 'n' command of fdisk.
2. then set the type of this partition to 8E.
A partition hdb3 of linux lvm type was created (along with hdb1,hdb5,hdb6).
3. i ran a vgscan,
4. then did pvcreate as follows
It gave me a msg saying "Cannot read partition to to find
I have read all the How-tos i cud,but still not helpful.
Pls tell me what shud i do.
i will try rsync....once i install lvm.
>From: Cameron Hutchison <camh at xdna.net>
>Reply-To: linux-lvm at sistina.com
>To: linux-lvm at sistina.com
>Subject: Re: [linux-lvm] restoring filesystem state using snapshot
>Date: Fri, 9 Jan 2004 10:31:18 +1100
>Once upon a time Ken Fuchs said...
> > >i want to restore the filesystem state using only the snapshot taken by
> > >ie without taking a full backup.
> > Will copying the contents of the snapshot over the original logical
> > volume do what you want? If so, this can be done as follows:
> > # mount /dev/vg/snapshot /snap
> > # mount /dev/vg/original /orig
> > # (cd /snap; tar cf - .) | (cd /orig; tar xvf -)
>rsync would probably be a better option - it will copy far less and will
>remove any files added after the snapshot was taken (if invoked
>appropriately). /orig should end up as a replica of /snap.
>linux-lvm mailing list
>linux-lvm at sistina.com
>read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
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