maybe it is because the disk partion is not umounted.
Date: Sun, 10 Jan 2010 00:17:40 +0100
From: ides...@gmail.com
To: drbd-user@lists.linbit.com
Subject: [DRBD-user] Installation progression - Device is held open by someone
Hello,
getting DRBD to work with MySQL was not problem. However
1) Gbit-Ethernet connection
Could you verify that it is Gbit connection ?
2) If it is Gbit, try tune rate 50M to rate 100M.
Just a suggestion.
:-)
edward.
From: klaush...@siemens.com
To: drbd-user@lists.linbit.com
Date: Tue, 29 Dec 2009 11:58:51 +0100
Subject: [DRBD-user] Poor
Dear all,
Any idea for this ?
regards,
Edward
From: guohuai...@hotmail.com
To: james.mas...@tradefair.com; drbd-user@lists.linbit.com;
guohuailee0...@gmail.com; lichangl...@hisense.com
Subject: allow doubal primary and the notice
Date: Wed, 9 Dec 2009 09:00:35 +0800
Dear all,
Dear all,
sometimes, I found drbdadm secondary resource blocks or does not works.
For example, when the primary Diskless, drbdadm secondary resource will not
works.
So, the standby can't become DRBD primary.
I spent several hours to solve this problem.
At last, I think
This is split brain problem. The bad thing for DRBD/heartbeat.
I think you need to give up the change in one node, and override it.
Detailed info:
http://www.drbd.org/users-guide-emb/users-guide.html
regards,
Edward
Date: Mon, 7 Dec 2009 01:01:03 +0530
From:
Dear all,
Would you help to tell me how to make the resource secondary mandatorily ?
Now I use DRBD8.3.0.
And the primary node is diskless, so I umount /dev/drbd0 and try to issue
command
drbdadm secondary r0 to make the resource secondary.
But it not works, the detail info is
, guohuai li wrote:
i use drbd8.3.0
we have 8.3.5 respective 8.3.6 now.
i also met such problem.
I used msync linux api (sync mode) to write on primary node.
And also it blocks at this case.
In _which_ case does _what_ block,
and what exactly do you mean by block?
when
Does it need to changed to Protocol B instead of Protocol C in drbd.conf ?
From: guohuai...@hotmail.com
To: drbd-user@lists.linbit.com; lichangl...@hisense.com
Date: Sat, 14 Nov 2009 10:02:11 +0800
Subject: Re: [DRBD-user] write block on primary when secondary diskless
(DRBD8-3-0)
Dear
Hi, dear all,
on drbd.conf, use protocol C.
DRBD works well fistly. ( both primany node and seconday node works well.)
But somehow, the seconday machine has disk problem and in the /var/log/messge
of the primary node,
has below info:
+
Nov 13
Dear all,
Would you help to explain this ?
regards,
Edward
From: guohuai...@hotmail.com
To: drbd-user@lists.linbit.com; guohuai...@hotmail.com; liu...@hisense.com;
lichangl...@hisense.com; yao.xuef...@gmail.com
Subject: write block on primary when secondary diskless (DRBD8-3-0)
Hi,
There are several items such as below in /etc/drbd.conf.
You may need to study it.
My DRBD is 8.3.0.
It works well.
edward
#after-sb-0pri disconnect;
after-sb-0pri discard-older-primary;
#after-sb-1pri disconnect;
after-sb-1pri discard-secondary;
Date: Tue, 4 Aug 2009 18:58:15
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