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Re: [Linux-cluster] Problem in clvmd/dlm_recoverd



On Friday 14 November 2008 10:29:50 Christine Caulfield wrote:

> Nuno Fernandes wrote:

> > Hi,

> >

> > we have an cluster with 7 machines with a SAN. We are using them to

> > provide virtual machines, so we are using clvmd.

> >

> > At some point we are unable to access any of the pv/lv/vg tools. They

> > are all stuck. From stracing them i've come to the conclusion that they

> > are waiting for clvmd.

>

> They could be waiting for fencing to complete.

>

> Have a look at the output from group_tool, that will tell you which

> services have recovered after a node has joined or left the cluster

I don't think that is the reason..

# group_tool

type level name id state

fence 0 default 00010002 none

[1 2 3 4 5 7]

dlm 1 clvmd 00010004 none

[1 2 3 4 5 7]

Any other ideas?

Best regards,

Nuno Fernandes

>

> Chrissie

>

> > Nuno Fernandes

> >

> > in host xen1:

> >

> > Linux blade01.dc.xpto.com 2.6.18-92.1.17.el5xen #1 SMP Tue Nov 4

> > 14:13:09 EST 2008 x86_64 x86_64 x86_64 GNU/Linux

> >

> > lvm2-cluster-2.02.32-4.el5

> >

> > cman-2.0.84-2.el5_2.1

> >

> > PID TTY STAT TIME COMMAND

> >

> > 20874 ? D< 0:00 \_ [dlm_recoverd]

> >

> > 20854 pts/1 S+ 0:00 \_ /bin/sh /sbin/service clvmd start

> >

> > 20861 pts/1 S+ 0:00 \_ /bin/bash /etc/init.d/clvmd start

> >

> > 20931 pts/1 S+ 0:00 \_ /usr/sbin/vgscan -d

> >

> > 20869 ? Ssl 0:00 clvmd -T40

> >

> > ps ax -o pid,cmd,wchan

> >

> > 20874 [dlm_recoverd] -

> >

> > ------------------------------

> >

> > Connection to xen1 closed.

> >

> > in host xen2:

> >

> > Linux blade02.dc.xpto.com 2.6.18-8.1.14.el5xen #1 SMP Thu Oct 4 11:38:56

> > WEST 2007 x86_64 x86_64 x86_64 GNU/Linux

> >

> > lvm2-cluster-2.02.16-3.el5

> >

> > cman-2.0.64-1.0.1.el5

> >

> > PID TTY STAT TIME COMMAND

> >

> > 22662 ? D< 0:00 \_ [dlm_recoverd]

> >

> > 22613 ? Ssl 0:02 clvmd -T40

> >

> > ps ax -o pid,cmd,wchan

> >

> > 22662 [dlm_recoverd] -

> >

> > ------------------------------

> >

> > Connection to xen2 closed.

> >

> > in host xen3:

> >

> > Linux blade03.dc.xpto.com 2.6.18-8.1.14.el5xen #1 SMP Thu Oct 4 11:38:56

> > WEST 2007 x86_64 x86_64 x86_64 GNU/Linux

> >

> > lvm2-cluster-2.02.16-3.el5

> >

> > cman-2.0.64-1.0.1.el5

> >

> > PID TTY STAT TIME COMMAND

> >

> > 22236 ? D< 0:00 \_ [dlm_recoverd]

> >

> > 22231 ? Ssl 0:02 clvmd -T40

> >

> > ps ax -o pid,cmd,wchan

> >

> > Connection to xen3 closed.

> >

> > 22236 [dlm_recoverd] dlm_wait_function

> >

> > ------------------------------

> >

> > in host xen4:

> >

> > Linux blade04.dc.xpto.com 2.6.18-8.1.14.el5xen #1 SMP Thu Oct 4 11:38:56

> > WEST 2007 x86_64 x86_64 x86_64 GNU/Linux

> >

> > lvm2-cluster-2.02.16-3.el5

> >

> > cman-2.0.64-1.0.1.el5

> >

> > PID TTY STAT TIME COMMAND

> >

> > 25097 ? D< 0:00 \_ [dlm_recoverd]

> >

> > 25092 ? Ssl 0:02 clvmd -T40

> >

> > ps ax -o pid,cmd,wchan

> >

> > 25097 [dlm_recoverd] dlm_wait_function

> >

> > ------------------------------

> >

> > Connection to xen4 closed.

> >

> > in host xen5:

> >

> > Linux blade05.dc.xpto.com 2.6.18-92.1.17.el5xen #1 SMP Tue Nov 4

> > 14:13:09 EST 2008 x86_64 x86_64 x86_64 GNU/Linux

> >

> > lvm2-cluster-2.02.32-4.el5

> >

> > cman-2.0.84-2.el5_2.1

> >

> > PID TTY STAT TIME COMMAND

> >

> > 22333 ? D< 0:00 \_ [dlm_recoverd]

> >

> > 22328 ? Ssl 0:02 clvmd -T40

> >

> > ps ax -o pid,cmd,wchan

> >

> > 22333 [dlm_recoverd] -

> >

> > ------------------------------

> >

> > Connection to xen5 closed.

> >

> > in host xen6:

> >

> > Linux blade06.dc.xpto.com 2.6.18-92.1.17.el5xen #1 SMP Tue Nov 4

> > 14:13:09 EST 2008 x86_64 x86_64 x86_64 GNU/Linux

> >

> > lvm2-cluster-2.02.32-4.el5

> >

> > cman-2.0.84-2.el5_2.1

> >

> > PID TTY STAT TIME COMMAND

> >

> > ps ax -o pid,cmd,wchan

> >

> > ------------------------------

> >

> > Connection to xen6 closed.

> >

> > in host xen7:

> >

> > Linux blade07.dc.xpto.com 2.6.18-92.1.13.el5xen #1 SMP Wed Sep 24

> > 20:01:15 EDT 2008 x86_64 x86_64 x86_64 GNU/Linux

> >

> > lvm2-cluster-2.02.32-4.el5

> >

> > cman-2.0.84-2.el5

> >

> > cman-2.0.84-2.el5_2.1

> >

> > PID TTY STAT TIME COMMAND

> >

> > 19793 ? D< 0:00 \_ [dlm_recoverd]

> >

> > 19788 ? Ssl 0:01 clvmd -T40

> >

> > ps ax -o pid,cmd,wchan

> >

> > 19793 [dlm_recoverd] -

> >

> > ------------------------------

> >

> > Connection to xen7 closed.

>

> --

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