On Sun, Jan 06, 2008 at 08:05:56AM -0800, sudarshan sridhar wrote:
My exact doubt is, if COW is default behavior of ZFS then does COWd
data written to the same physical drive where the filesystem
resides?
Just to clarify: there is no way to disable COW in ZFS.
If so the physical
Does copy-on-write happen every time when any data block of ZFS is getting
modified?
Yes. (Data block or meta-data block, with the sole exception of the set of
überblocks.)
Also where exactly COWed data written
I'm not quite sure what you're asking here. Data, whether newly written or
Hi,
Also where exactly COWed data written
I'm not quite sure what you're asking here. Data, whether newly written or
copy-on-write, goes to a newly allocated block, which may reside on any
vdev, and will be spread across devices if using RAID.
My exact doubt is, if COW is default
sudarshan sridhar wrote:
I'm not quite sure what you're asking here. Data, whether newly written or
copy-on-write, goes to a newly allocated block, which may reside on any
vdev, and will be spread across devices if using RAID.
My exact doubt is, if COW is default behavior of ZFS then does
sudarshan sridhar wrote:
/Hi,/
//
/ Also where exactly COWed data written
/
I'm not quite sure what you're asking here. Data, whether newly
written or copy-on-write, goes to a newly allocated block, which
may reside on any vdev, and will be spread across devices if using
RAID.
My
Hi,
Does copy-on-write happens every time when any data block of ZFS is getting
modified? or one needs to configure to enable COW for ZFS while creating?
Also where exactly COWed data written if my storage pool is a single physical
device or even multiple divices are there but
