-Original Message-
From: Lars Ellenberg
Sent: 5/30/2014 6:43 AM
To: drbd-user@lists.linbit.com
Subject: Re: [DRBD-user] Adjusting al-extents on-the-fly
On Wed, May 28, 2014 at 01:23:55PM +1000, Stuart Longland wrote:
> Hi Lars,
> On 27/05/14 20:31, Lars Ellenberg wrote:
> >
On 30/05/14 11:13, Lars Ellenberg wrote:
> On Wed, May 28, 2014 at 01:23:55PM +1000, Stuart Longland wrote:
iotop didn't show any huge spikes that I'd imagine the disks would have
trouble with. Then again, since it's effectively polling, I could have
"blinked" and missed it.
>>>
>>>
On Wed, May 28, 2014 at 01:23:55PM +1000, Stuart Longland wrote:
> Hi Lars,
> On 27/05/14 20:31, Lars Ellenberg wrote:
> >> The system logs PLC-generated process data every 5 seconds, and at two
> >> times of the day, at midnight and midday, it misses a sample with the
> >> logging taking 6 seconds
Hi Lars,
On 27/05/14 20:31, Lars Ellenberg wrote:
>> The system logs PLC-generated process data every 5 seconds, and at two
>> times of the day, at midnight and midday, it misses a sample with the
>> logging taking 6 seconds. There's no obvious CPU spike at this time, so
>> my hunch is I/O, and so
On Tue, May 27, 2014 at 12:16:11PM +1000, Stuart Longland wrote:
> Hi all,
>
> I'm in the process of trying to debug what I suspect is an I/O issue on
> a highly-available SCADA server operated by a mining company. The
> systems run Ubuntu 10.04 LTS with two network interfaces, one on their
> bus
Hi all,
I'm in the process of trying to debug what I suspect is an I/O issue on
a highly-available SCADA server operated by a mining company. The
systems run Ubuntu 10.04 LTS with two network interfaces, one on their
business network, and one on their control network, both gigabit links.
drbdadm
