[DRBD-user] Fast sync?

Felix Frank ff at mpexnet.de
Mon Feb 21 16:31:39 CET 2011

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


On 02/21/2011 04:03 PM, Vadym Chepkov wrote:
> On Mon, Feb 21, 2011 at 8:50 AM, Martin Miels <mm at netwerk.no> wrote:
>> Hello all,
>>
>> I am taking first steps into cluster-territory. I have an experimental CentOS 5.5 / DRBD 8.3.10 setup which works nicely. Major kudos to Mr. Levrinc for his DRBD-MC application, btw!
>>
>> I haven't been able to locate information on a fast-sync method - admittedly I haven't been diving into the documentation as much as I perhaps should have. Is there any way to quickly synchronize freshly-initialized disks? On my setup that would be 2x2TB, and syncing that takes 16 hours... Is there a quicker way?
>>
> 
> drbdadm -- --clear-bitmap new-current-uuid  resource-id
> 
> Keep in mind though, an array created this way wouldn't pass "drbdadm verify".

For "freshly initialized" disks this may be more or less OK, I guess.

The full story is here:
http://www.drbd.org/users-guide/s-using-truck-based-replication.html

Cheers,
Felix



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