lkml.org 
[lkml]   [2007]   [May]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: Back to the future.
Date
On May 04, 2007, at 03:52:03, David Greaves wrote:
> Kyle Moffett wrote:
>> On May 03, 2007, at 11:10:47, Pavel Machek wrote:
>>> What happens if you try to boot and filesystems are frozen from
>>> previous run?
>>
>> If you're just doing a fresh boot then the filesystem is already
>> clean due to the dm freeze and so it mounts up normally. All you
>> need to do then is have a little startup script which purges the
>> saved image before you fsck or remount things read-write since
>> either case means the image is no longer safe to resume.
>
> Wouldn't it be better if freeze wrote a freeze-ID to the fs and
> returned it? This would naturally be kept in the image and a UUID
> mismatch would be detectable - seems safer and more flexible than
> 'a script'.
>
> "This isn't the freeze you're looking for, move along"

Possibly, but I was referring to the _current_ behavior of the device-
mapper freezing. While perhaps not ideal, it's currently very easily
usable.

Cheers,
Kyle Moffett

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-05-04 15:31    [W:0.087 / U:0.132 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site