Thanks Neil,
but looking at the logs you sent the ERROR on the vm's have started long
before.
Can you please to grep this thread from all the logs? Thread-286029:
(it's for vm 2736197b-6dc3-4155-9a29-9306ca64881d)
lets try to see when the ERROR started for this thread.
Thanks,
Dafna
On 01/22/2014 01:14 PM, Neil wrote:
Hi Dafna,
Thanks.
The vdsm logs are quite large, so I've only attached the logs for the
pause of the VM called Babbage on the 19th of Jan.
As for snapshots, Babbage has one from June 2013 and Reports has two
from June and Oct 2013.
I'm using FC storage, with 11 VM's and 3 nodes/hosts, 9 of the 11 VM's
have thin provisioned disks.
Please shout if you'd like any further info or logs.
Thank you.
Regards.
Neil Wilson.
On Wed, Jan 22, 2014 at 10:58 AM, Dafna Ron <d...@redhat.com> wrote:
Hi Neil,
Can you please attach the vdsm logs?
also, as for the vm's, do they have any snapshots?
from your suggestion to allocate more luns, are you using iscsi or FC?
Thanks,
Dafna
On 01/22/2014 08:45 AM, Neil wrote:
Thanks for the replies guys,
Looking at my two VM's that have paused so far through the oVirt GUI
the following sizes show under Disks.
VM Reports:
Virtual Size 35GB, Actual Size 41GB
Looking on the Centos OS side, Disk size is 33G and used is 12G with
19G available (40%) usage.
VM Babbage:
Virtual Size is 40GB, Actual Size 53GB
On the Server 2003 OS side, Disk size is 39.9Gb and used is 16.3G, so
under 50% usage.
Do you see any issues with the above stats?
Then my main Datacenter storage is as follows...
Size: 6887 GB
Available: 1948 GB
Used: 4939 GB
Allocated: 1196 GB
Over Allocation: 61%
Could there be a problem here? I can allocate additional LUNS if you
feel the space isn't correctly allocated.
Apologies for going on about this, but I'm really concerned that
something isn't right and I might have a serious problem if an
important machine locks up.
Thank you and much appreciated.
Regards.
Neil Wilson.
On Tue, Jan 21, 2014 at 7:02 PM, Dafna Ron <d...@redhat.com> wrote:
the storage space is configured in percentages and not physical size.
so if 20G is less than 10% (default config) of your storage it will pause
the vms regardless of how much GB you still have.
this is configurable though so you can change it to less than 10% if you
like.
to answer the second question, vm's will not pause on ENOSpace error if
they
run out of space internally but only if the external storage cannot be
consumed. so only if you run out of space in the storage and and not if
vm
runs out of space in its on fs.
On 01/21/2014 09:51 AM, Neil wrote:
Hi Dan,
Sorry, attached is engine.log I've taken out the two sections where
each of the VM's were paused.
Does the error "VM babbage has paused due to no Storage space error"
mean the main storage domain has run out of storage, or that the VM
has run out?
Both VM's appear to have been running on node01 when they were paused.
My vdsm versions are all...
vdsm-cli-4.13.0-11.el6.noarch
vdsm-python-cpopen-4.13.0-11.el6.x86_64
vdsm-xmlrpc-4.13.0-11.el6.noarch
vdsm-4.13.0-11.el6.x86_64
vdsm-python-4.13.0-11.el6.x86_64
I currently have a 61% over allocation ratio on my primary storage
domain, with 1948GB available.
Thank you.
Regards.
Neil Wilson.
On Tue, Jan 21, 2014 at 11:24 AM, Neil <nwilson...@gmail.com> wrote:
Hi Dan,
Sorry for only coming back to you now.
The VM's are thin provisioned. The Server 2003 VM hasn't run out of
disk space there is about 20Gigs free, and the usage barely grows as
the VM only shares printers. The other VM that paused is also on thin
provisioned disks and also has plenty space, this guest is running
Centos 6.3 64bit and only runs basic reporting.
After the 2003 guest was rebooted, the network card showed up as
unplugged in ovirt, and we had to remove it, and re-add it again in
order to correct the issue. The Centos VM did not have the same issue.
I'm concerned that this might happen to a VM that's quite critical,
any thoughts or ideas?
The only recent changes have been updating from Dreyou 3.2 to the
official Centos repo and updating to 3.3.1-2. Prior to updating I
haven't had this issue.
Any assistance is greatly appreciated.
Thank you.
Regards.
Neil Wilson.
On Sun, Jan 19, 2014 at 8:20 PM, Dan Yasny <dya...@gmail.com> wrote:
Do you have the VMs on thin provisioned storage or sparse disks?
Pausing happens when the VM has an IO error or runs out of space on
the
storage domain, and it is done intentionally, so that the VM will not
experience a disk corruption. If you have thin provisioned disks, and
the VM
writes to it's disks faster than the disks can grow, this is exactly
what
you will see
On Sun, Jan 19, 2014 at 10:04 AM, Neil <nwilson...@gmail.com> wrote:
Hi guys,
I've had two different Vm's randomly pause this past week and inside
ovirt
the error received is something like 'vm ran out of storage and was
paused'.
Resuming the vm's didn't work and I had to force them off and then on
which
resolved the issue.
Has anyone had this issue before?
I realise this is very vague so if you could please let me know which
logs
to send in.
Thank you
Regards.
Neil Wilson
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