guohuai_li at hotmail
Nov 15, 2009, 4:54 PM
Post #3 of 3
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Re: write block on primary when secondary diskless (DRBD8-3-0)
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Does it need to changed to "Protocol B" instead of "Protocol C" in drbd.conf ?
From: guohuai_li [at] hotmail
To: drbd-user [at] lists; lichanglong [at] hisense
Date: Sat, 14 Nov 2009 10:02:11 +0800
Subject: Re: [DRBD-user] write block on primary when secondary diskless (DRBD8-3-0)
Dear all,
Would you help to explain this ?
regards,
Edward
From: guohuai_li [at] hotmail
To: drbd-user [at] lists; guohuai_li [at] hotmail; liulei [at] hisense; lichanglong [at] hisense; yao.xuefeng [at] gmail
Subject: write block on primary when secondary diskless (DRBD8-3-0)
Date: Fri, 13 Nov 2009 18:40:30 +0800
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 00:12:30 cs-mdc-b kernel: drbd0: pdsk( UpToDate -> Diskless )
Nov 13 00:12:30 cs-mdc-b kernel: drbd0: Creating new current UUID
Nov 13 00:12:30 cs-mdc-b kernel: drbd0: Got NegAck packet. Peer is in troubles?
Nov 13 00:12:30 cs-mdc-b kernel: drbd1: pdsk( UpToDate -> Diskless )
Nov 13 00:12:30 cs-mdc-b kernel: drbd0: Got NegAck packet. Peer is in troubles?
Nov 13 00:12:30 cs-mdc-b kernel: drbd0: Got NegAck packet. Peer is in troubles?
Nov 13 00:12:30 cs-mdc-b kernel: drbd0: Got NegAck packet. Peer is in troubles?
Nov 13 00:12:30 cs-mdc-b kernel: drbd0: Got NegAck packet. Peer is in troubles?
Nov 13 00:12:30 cs-mdc-b kernel: drbd1: Creating new current UUID
+++++++++++++++++++++++++++++++++
then at this time, the write operation on primary node is blocked.
(the write operation is like this: call linux api "msync", using MS_SYNC mode.)
Would you help to explain this ?
Is this a bug of DRBD ? or I configured wrongly ?
Your help is highly appreciated. :-)
Thanks for your reading.
best wishes,
Edward
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