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Date: Wed, 29 Oct 2008 11:32:18 +0000
From: Christine Caulfield <ccaulfie@redhat.com>
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Subject: Re: [linux-lvm] clvmd locking disabled
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To: LVM general discussion and development <linux-lvm@redhat.com>

Stepan Kadlec wrote:
> one more report:
> 
> # vgscan
> File descriptor 3 (/dev/tty) leaked on vgscan invocation. Parent PID
> 3389: bash
> File descriptor 5 (/dev/pts/1) leaked on vgscan invocation. Parent PID
> 3389: bash
> File descriptor 7 (pipe:[9066]) leaked on vgscan invocation. Parent PID
> 3389: bash
>   Unknown locking type requested.
>   Locking type 3 initialisation failed.
> 
> steve
> 
> Stepan Kadlec wrote:
>>     hello,
>>     I can't make the clustered LVM running. it can't start the
>> built-in clustered locking mechanism (using cman).
>>
>>     lvm is compiled with following options:
>>
>> ./configure --with-clvmd=cman  --with-cluster=shared
>> --libdir=/usr/lib64/ --enable-dmeventd --enable-cmdlib


If you've built using with-cluster=shared then the locking type in
lvm.conf should be 2 and not 3, provided you have remembered to install
the shared library that gets built.

I recommend you don't build it shared (the default), and use locking type 3

Chrissie

>>     does anyone have some experiences that could help me make it working?
>>     thanks, steve
>>
>>     when the clvmd starts it reports this:
>>
>> CLVMD[1772a6d0]: Oct 29 13:16:57 CLVMD started
>> CLVMD[1772a6d0]: Oct 29 13:16:57 Connected to CMAN
>> CLVMD[1772a6d0]: Oct 29 13:16:57 CMAN initialisation complete
>> CLVMD[1772a6d0]: Oct 29 13:16:57 DLM initialisation complete
>> CLVMD[1772a6d0]: Oct 29 13:16:57 Cluster ready, doing some more
>> initialisation
>> CLVMD[1772a6d0]: Oct 29 13:16:57 starting LVM thread
>> CLVMD[41d0c940]: Oct 29 13:16:57 LVM thread function started
>> CLVMD[1772a6d0]: Oct 29 13:16:57 clvmd ready for work
>> CLVMD[1772a6d0]: Oct 29 13:16:57 Using timeout of 60 seconds
>> File descriptor 3 (/dev/tty) leaked on lvm invocation. Parent PID
>> 13867: clvmd
>> File descriptor 5 (/dev/pts/3) leaked on lvm invocation. Parent PID
>> 13867: clvmd
>> File descriptor 7 (pipe:[12892]) leaked on lvm invocation. Parent PID
>> 13867: clvmd
>> File descriptor 8 (/dev/zero) leaked on lvm invocation. Parent PID
>> 13867: clvmd
>>   WARNING: Locking disabled. Be careful! This could corrupt your
>> metadata.
>> CLVMD[41d0c940]: Oct 29 13:16:57 LVM thread waiting for work
>>
>>