[Pacemaker] [Question and Problem] In vSphere5.1 environment, IO blocking of pengine occurs at the time of shared disk trouble for a long time.

[renayama19661014 at ybb.ne.jp]

Hi Andrew,

I registered a demand with Bugzilla.
 * http://bugs.clusterlabs.org/show_bug.cgi?id=5158

Many Thanks!
Hideo Yamauchi.

--- On Fri, 2013/5/24, renayama19661014 at ybb.ne.jp <renayama19661014 at ybb.ne.jp> wrote:

> Hi Andrew,
> 
> > > To Andrew : 
> > > If you make a patch removing a block of the file handling of pengine, I confirm the movement.
> > > If a problem is evaded without using tmpfs, many users welcome it.
> > > 
> > 
> > You mean this patch? https://github.com/beekhof/pacemaker/commit/c7e10c6
> > Or another one?
> 
> It is another one that I need.
> A necessary thing is the structure which I can evade without our using tmpfs.
> But it is our demand to the last because it is an environmental problem of vSphere5.
> 
> Best Regards,
> Hideo Yamauchi.
> 
> --- On Fri, 2013/5/24, Andrew Beekhof <andrew at beekhof.net> wrote:
> 
> > 
> > On 24/05/2013, at 2:58 PM, renayama19661014 at ybb.ne.jp wrote:
> > 
> > > Hi Andrew,
> > > Hi Vladislav,
> > > 
> > >> We test movement when we located pe file in tmpfs repeatedly.
> > >> It seems to move well for the moment.
> > > 
> > > I only adopted tmpfs, and the I/O block of pengine was improved.
> > > I confirm the synchronization with the fixed file, but think that there is not the problem from now on.
> > > It becomes one means to solve this problem to adopt tmpfs.
> > > 
> > >> Pacemaker really isn't designed to function without disk access. 
> > >> You might be able to get away with it if you turn off saving PE files to disk though. 
> > > 
> > > To Andrew : 
> > > If you make a patch removing a block of the file handling of pengine, I confirm the movement.
> > > If a problem is evaded without using tmpfs, many users welcome it.
> > > 
> > 
> > You mean this patch? https://github.com/beekhof/pacemaker/commit/c7e10c6
> > Or another one?
> > 
> > > Best Regards,
> > > Hideo Yamauchi.
> > > 
> > > 
> > > --- On Wed, 2013/5/22, renayama19661014 at ybb.ne.jp <renayama19661014 at ybb.ne.jp> wrote:
> > > 
> > >> Hi Andrew,
> > >> Hi Vladislav,
> > >> 
> > >> We test movement when we located pe file in tmpfs repeatedly.
> > >> It seems to move well for the moment.
> > >> 
> > >> I confirm movement a little more, and we are going to try the method that Mr. Vladislav synchronizes.
> > >> 
> > >> Best Regards,
> > >> Hideo Yamauchi.
> > >> 
> > >> --- On Wed, 2013/5/22, Andrew Beekhof <andrew at beekhof.net> wrote:
> > >> 
> > >>> 
> > >>> On 17/05/2013, at 4:17 PM, Vladislav Bogdanov <bubble at hoster-ok.com> wrote:
> > >>> 
> > >>>> P.S. Andrew, is this patch ok to apply?
> > >>> 
> > >>> https://github.com/beekhof/pacemaker/commit/c7e10c6 :)
> > >>> 
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> > >> 
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> > 
> > 
> 
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