[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]

Re: [dm-devel] Snapshot and sparse device



On Tue, Oct 12, 2004 at 05:49:12PM +0200, Guillaume Lacôte wrote:
> 23 I read that snapshotting performs copy-on-write. 
If you write to the original device (/dev/zero) yes:
but the snapshot itself doesn't have to be read-only -
it can also be written to, making a sparse-device.

Alasdair
-- 
agk redhat com


[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]