On 01/02/2014 01:55 AM, Stefan Hajnoczi wrote:
> Okay, I think we got side-tracked worrying about identifying identical
> files. The problem in your example is more fundamental.
>
> Here is what should have happened:
>
> (qemu) snapshot_blkdev drive-scsi0-0-0 /mnt/dir2/sn1
> Could not crea
On Tue, Dec 10, 2013 at 09:58:44PM +0800, lijun wrote:
> On 12/09/2013 08:17 PM, Stefan Hajnoczi wrote:
> >On Mon, Dec 09, 2013 at 02:06:21PM +0800, jun muzi wrote:
> >My question was about the bug. What is the problem you are seeing and
> >how do you reproduce it (including the HMP commands)?
> N
On 12/09/2013 08:17 PM, Stefan Hajnoczi wrote:
On Mon, Dec 09, 2013 at 02:06:21PM +0800, jun muzi wrote:
If mount a local file(disk) in two different dirctories, it is similar to the
network storage. Detecting identical "files" is still a problem.
Such as:
dd if=/dev/zero of=aa bs=1M count=10
m
On Mon, Dec 09, 2013 at 02:06:21PM +0800, jun muzi wrote:
> If mount a local file(disk) in two different dirctories, it is similar to the
> network storage. Detecting identical "files" is still a problem.
> Such as:
> dd if=/dev/zero of=aa bs=1M count=10
> mkfs.ext4 aa
> Then mount aa to two direct
If mount a local file(disk) in two different dirctories, it is similar to the
network storage. Detecting identical "files" is still a problem.
Such as:
dd if=/dev/zero of=aa bs=1M count=10
mkfs.ext4 aa
Then mount aa to two directories.
mount aa /mnt/dir1
mount aa /mnt/dir2
# tune2fs -l aa
tune2fs 1
On Fri, Nov 15, 2013 at 10:21:40AM -0700, Eric Blake wrote:
> On 11/15/2013 09:42 AM, Max Reitz wrote:
>
> > Actually, the same problem can occur anyway if you have a path with a
> > couple of “.” and “..” in it – or even just a hardlink. Thus, to be
> > completely safe, we'd have to check whether
On 11/15/2013 09:42 AM, Max Reitz wrote:
> Actually, the same problem can occur anyway if you have a path with a
> couple of “.” and “..” in it – or even just a hardlink. Thus, to be
> completely safe, we'd have to check whether the snapshot file (if it
> already exists) has a different inode numb
On 11/15/2013 09:22 AM, lijun wrote:
> From: Jun Li
>
> Hi all,
>
> snapshot_blkdev can not consider //root/sn1 and /root/sn1 as the same
> file. When file /root/sn1 is the base file, do snapshot using file
> //root/sn1, qemu consider it as a new file. So this will rewrite the
> base file.
Care
On 15.11.2013 17:31, lijun wrote:
> From: Jun Li
>
> Hi all,
>
> snapshot_blkdev can not consider //root/sn1 and /root/sn1 as the same
> file. when file /root/sn1 is the base file, do snapshot using file
> //root/sn1, qemu consider it as a new file. So this will rewrite the
> base file.
Actually,
From: Jun Li
Hi all,
snapshot_blkdev can not consider //root/sn1 and /root/sn1 as the same
file. when file /root/sn1 is the base file, do snapshot using file
//root/sn1, qemu consider it as a new file. So this will rewrite the
base file.
Signed-off-by: Jun Li
--- a/hmp.c2013-11-15 23
From: Jun Li
Hi all,
snapshot_blkdev can not consider //root/sn1 and /root/sn1 as the same
file. When file /root/sn1 is the base file, do snapshot using file
//root/sn1, qemu consider it as a new file. So this will rewrite the
base file.
Signed-off-by: Jun Li
--- a/hmp.c2013-11-15 23
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