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DRBD nodes take forever to synchronize.. Pls help!

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rubyky20 at gmail

Nov 18, 2009, 7:50 PM

Post #1 of 2 (592 views)
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DRBD nodes take forever to synchronize.. Pls help!

I set up drbd on 2 nodes, they used to connect to each other at once
on startup, but after a computer crash, they take forever to
synchronize! Here's what I got from my primary node when I did a "cat
/proc/drbd".

0: cs:SyncTarget ro:Secondary/Primary ds:Inconsistent/UpToDate C r----
ns:0 nr:3838216 dw:3838216 dr:0 al:0 bm:234 lo:0 pe:0 ua:0 ap:0
ep:1 wo:b oos:98212872
[>....................] sync'ed: 3.8% (95908/99656)M
finish: 77:56:48 speed: 320 (316) K/sec

I tried "drbdadm -- --discard-my-data connect r0" on the secondary
node which seems to have 'bad' data, I also tried "drbdadm --
--overwrite-data-of-peer primary r0" on the primary node, but it still
doesn't work. I've even uninstalled drbd and configure it gain, nth
seems to solve the problem.

Any help will be appreciated, thanks in advance!
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rasto.levrinc at linbit

Nov 19, 2009, 12:20 AM

Post #2 of 2 (555 views)
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Re: DRBD nodes take forever to synchronize.. Pls help! [In reply to]

On Thu, November 19, 2009 4:50 am, Leung Ruby wrote:
> I set up drbd on 2 nodes, they used to connect to each other at once
> on startup, but after a computer crash, they take forever to synchronize!
> Here's what I got from my primary node when I did a "cat
> /proc/drbd".
>
>
> 0: cs:SyncTarget ro:Secondary/Primary ds:Inconsistent/UpToDate C r----
> ns:0 nr:3838216 dw:3838216 dr:0 al:0 bm:234 lo:0 pe:0 ua:0 ap:0
> ep:1 wo:b oos:98212872
> [>....................] sync'ed: 3.8% (95908/99656)M
> finish: 77:56:48 speed: 320 (316) K/sec
>

Have you set syncer rate? This looks like default speed.

Rasto

--
: Dipl-Ing Rastislav Levrinc
: DRBD-MC http://www.drbd.org/mc/management-console/
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