On Thu, Jan 12, 2012 at 5:00 PM, Jim Klimov jimkli...@cos.ru wrote:
While reading about zfs on-disk formats, I wondered once again
why is it not possible to create a snapshot on existing data,
not of the current TXG but of some older point-in-time?
It is not possible because the older data
2012-01-16 23:14, Matthew Ahrens пишет:
On Thu, Jan 12, 2012 at 5:00 PM, Jim Klimov jimkli...@cos.ru
mailto:jimkli...@cos.ru wrote:
While reading about zfs on-disk formats, I wondered once again
why is it not possible to create a snapshot on existing data,
not of the current TXG but
On Mon, Jan 16, 2012 at 11:34 AM, Jim Klimov jimkli...@cos.ru wrote:
2012-01-16 23:14, Matthew Ahrens пишет:
On Thu, Jan 12, 2012 at 5:00 PM, Jim Klimov jimkli...@cos.ru
mailto:jimkli...@cos.ru wrote:
While reading about zfs on-disk formats, I wondered once again
why is it not
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
boun...@opensolaris.org] On Behalf Of Jim Klimov
Perhaps I need to specify some usecases more clearly:
Actually, I'm not sure you do need to specify usecases more clearly -
Because the idea is obviously awesome. The main
2012-01-13 7:26, Steve Gonczi wrote:
JIm,
Any modified block (in absence of a snaphot) gets re-written
to a new location and the original block is freed.
So the earlier state you want to go back and snapshot is no longer there,
The essence of taking a snapshot is keeping the original blocks