On 2.5.2016 13:03, Fabian Herschel wrote:
Can LVM doing a delta sync and does LVM have something like a bitamp to show
which parts are in sync and which needs a sync?


Hi

lvm uses small metadata LV with each raid1 leg - which holds the bitmap about individual regionsize areas in sync.

So when there is 'crash' only async areas are synced again after array restart.

Regards

Zdenek

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