[DRBD-user] kernel: drbd0: Got NegAck packet. Peer is in troubles?

guohuai li guohuai_li at hotmail.com
Sat Nov 14 02:27:12 CET 2009


i use drbd8.3.0

i also met such problem.

 

I used msync linux api (sync mode) to write on primary node.

And also it blocks at this case.

 

regards,

edward.
 
> Date: Fri, 13 Nov 2009 15:11:55 +0800
> From: KapilKumar.Jain at Emerson.com
> To: drbd-user at lists.linbit.com
> Subject: [DRBD-user] kernel: drbd0: Got NegAck packet. Peer is in troubles?
> 
> Hi All,
> 
> I got following messages while DHCP is writing to dhcp.leases file, this
> file & dhcpd.conf resides in drdb replicated partition.
> kernel: drbd0: Got NegAck packet. Peer is in troubles?
> 
> After that DHCP is blocked. 
> 
> I am using drbd version - v0.7.21 & I can not upgrade to latest version.
> 
> DRBD configuration from /etc/drbd.conf :
> 
> resource r0 {
> 
> protocol C;
> startup {
> wfc-timeout 1;
> degr-wfc-timeout 1;
> }
> disk {
> on-io-error pass_on;
> }
> net {
> timeout 60; # 1 seconds (unit = 0.1 seconds)
> connect-int 8; # 2 seconds (unit = 1 second)
> ping-int 8; # 2 seconds (unit = 1 second)
> max-buffers 2048;
> ko-count 4;
> on-disconnect reconnect;
> }
> syncer {
> rate 16M;
> group 2;
> al-extents 257;
> }
> on host1 {
> device /dev/drbd0;
> disk /dev/hde8;
> address 192.168.xx.x:7788;
> meta-disk /dev/hde10[0];
> }
> 
> on HOST_NAME_REMOTE {
> device /dev/drbd0;
> disk /dev/hde8;
> address 192.168.xx.x:7788;
> meta-disk /dev/hde10[0];
> }
> }
> 
> Where I should look to resolve the issue? 
> 
> a) DHCP side which might writing in blocking mode. 
> 
> b) DRBD side which might not sending proper error code to the upper
> levels from lower level.
> 
> Thanks in advance.
> 
> Regards,
> Kapil
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