On Thu, Jun 12, 2014 at 07:26:25AM +0100, Justin Clift wrote:
> On 12/06/2014, at 6:58 AM, Niels de Vos wrote:
>
> > If you capture a vmcore (needs kdump installed and configured), we may
> > be able to see the cause more clearly.
Oh, these seem to be Xen hosts. I don't think kdump (mainly kexec
On 12/06/2014, at 6:58 AM, Niels de Vos wrote:
> If you capture a vmcore (needs kdump installed and configured), we may
> be able to see the cause more clearly.
That does help, and so will Harsha's suggestion too probably. :)
I'll look into it properly later on today.
For the moment, I've reb
On Thu, Jun 12, 2014 at 06:28:13AM +0100, Justin Clift wrote:
> Hi Niels,
>
> 4 out of 5 Rackspace slave VM's hung overnight. Rebooted one of
> them and it didn't come back. Checking out it's console (they
> have an in-browser Java applet for it) showed a kernel traceback.
>
> Scrollback for th
You could tune 'dirty_ratio/background_ratio' to get this sorted out -
to avoid larger buffers in memory.
On Wed, Jun 11, 2014 at 10:51 PM, Justin Clift wrote:
> Thanks. :)
>
> Going to assume "really busy host". (hoping)
>
> I guess looking into raising the timeout value or something would be
>
Thanks. :)
Going to assume "really busy host". (hoping)
I guess looking into raising the timeout value or something would be
the right thing to try first. I'll look into it after getting some
sleep in a bit.
+ Justin
On 12/06/2014, at 6:47 AM, Anand Babu Periasamy wrote:
> This doesn't look l
This doesn't look like xfs bug. It is likely caused by a bad disk /
array or a really busy host.
On Wed, Jun 11, 2014 at 10:28 PM, Justin Clift wrote:
> Hi Niels,
>
> 4 out of 5 Rackspace slave VM's hung overnight. Rebooted one of
> them and it didn't come back. Checking out it's console (they
Hi Niels,
4 out of 5 Rackspace slave VM's hung overnight. Rebooted one of
them and it didn't come back. Checking out it's console (they
have an in-browser Java applet for it) showed a kernel traceback.
Scrollback for the console (took some effort ;>) is attached.
It's showing a bunch of XFS me