[linux-lvm] LVM blocks discard for remove commands
Stuart D. Gathman
stuart at bmsi.com
Wed Oct 19 14:37:51 UTC 2011
On Wed, 19 Oct 2011, Mike Snitzer wrote:
>> Does it apply for the blocks holding meta data,
>> e.g. will pvremove issue discard requests for the PV meta data ?
> The discards are only issued for the physical extents that were used in
> a volume's data area. PV metadata isn't discarded, and really there
> would be little benefit to doing so.
The metadata is written over so that the PV is no longer recognized.
I think that issuing a discard for the metadata would actually be
Stuart D. Gathman <stuart at bmsi.com>
Business Management Systems Inc. Phone: 703 591-0911 Fax: 703 591-6154
"Confutatis maledictis, flammis acribus addictis" - background song for
a Microsoft sponsored "Where do you want to go from here?" commercial.
More information about the linux-lvm