[lkml]   [2011]   [Jun]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v1 00/30] Ext4 snapshots
On Sat, Jun 11, 2011 at 1:51 AM,  <> wrote:
> On Thu, 09 Jun 2011 13:54:13 +0300, "Amir G." said:
>> Why do you keep saying 'backup only'?
>> There is a huge difference between having long lived snapshots,
>> like CTERA products have, and temporary snapshot for backup
>> purpose (for which LVM is adequate).
> I must have blinked somewhere - I'm not convinced LVM is even "adequate" for
> backup purposes.  In particular, how does an LVM-level snapshot deal with the
> "metadata in memory" problem (basically the exact same problem as running fsck
> on a disk partition that is already mounted)?

It uses the filesystem freeze API.
Same as ext4 snapshots.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2011-06-11 03:11    [W:0.094 / U:7.744 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site