CTDB woes

[Amitay Isaacs]

On Mon, Dec 9, 2013 at 4:48 PM, Joohyoung LEE <jhxlee at gmail.com> wrote:

> Amitay Isaacs <amitay <at> gmail.com> writes:
>
> >
>
> > > From what we could see at the time, I'd have characterised it as
> typical
> > > of "lots of processes in wait state", but I couldn't figure out what
> they
> > > were waiting for.
> > >
> >
> > Yes. Those are lockwait processes waiting for fcntl locks.
> >
>
> Hi Amitay,
>
> Would you explain more detail of the problem in old CTDB you've mentioned ?
> i.e. What was fixed (or Bugzilla# ?)
>      What version of CTDB (or Samba) has defect,
>      and what version of CTDB (or Samba) fixed that.
>
> I have very similar case with this one on my customer site recently.
> But the customer wants more explanation.
>
> Customer environment is:
> GPFS 3.4.0.17
> Samba 3.6.12-44, CTDB 1.0.114 RPMs downloaded from sernet.de (Installed in
> Feb 2013)
>
> Symptom looks like silmilar to Orlando's case.
>
> Thanks in advance


Hi,

The problem was that CTDB was spawning lots of child processes under heavy
load.

What problem are you seeing?  Also, please mention the correct CTDB
version/release.

Amitay.