On Thu, Feb 2, 2017 at 10:48 AM, Nir Soffer wrote:
>
> >
> > After about 7 rounds I get this in messages of the host where the VM is
> > running:
> >
> > Feb 1 23:31:39 ovmsrv06 kernel: dd: sending ioctl 80306d02 to a
> partition!
> > Feb 1 23:31:39 ovmsrv06 kernel: dd: sending ioctl 80306d02 t
On Fri, Feb 03, 2017 at 12:31:49AM +0100, Gianluca Cecchi wrote:
>On Thu, Feb 2, 2017 at 10:53 PM, Benjamin Marzinski
><[1]bmarz...@redhat.com> wrote:
>
> > > I'm trying to mitigate inserting a timeout for my SAN devices but
> I'm not
> > > sure of its effectiveness as CentO
On Thu, Feb 2, 2017 at 10:53 PM, Benjamin Marzinski
wrote:
>
> > > I'm trying to mitigate inserting a timeout for my SAN devices but I'm
> not
> > > sure of its effectiveness as CentOS 7 behavior of "multipathd -k" and
> then
> > > "show config" seems different from CentOS 6.x
> > > In fact my a
On Wed, Feb 01, 2017 at 09:39:45AM +0200, Nir Soffer wrote:
> On Tue, Jan 31, 2017 at 6:09 PM, Gianluca Cecchi
> wrote:
> > On Tue, Jan 31, 2017 at 3:23 PM, Nathanaël Blanchet
> > wrote:
> >>
> >> exactly the same issue by there with FC EMC domain storage...
> >>
> >>
> >
> > I'm trying to mitiga
On Thu, Feb 2, 2017 at 6:05 PM, Gianluca Cecchi
wrote:
> On Thu, Feb 2, 2017 at 3:51 PM, Nir Soffer wrote:
>>
>>
>> > Can you confirm that the host can be active when I restart vdsmd
>> > service?
>>
>> Sure. This may abort a storage operation if one is running when you
>> restart
>> vdsm, but vd
On Thu, Feb 2, 2017 at 3:51 PM, Nir Soffer wrote:
>
> > Can you confirm that the host can be active when I restart vdsmd service?
>
> Sure. This may abort a storage operation if one is running when you restart
> vdsm, but vdsm is designed so you can restart or kill it safely.
>
> For example, if
On Thu, Feb 2, 2017 at 4:42 PM, Gianluca Cecchi
wrote:
> On Thu, Feb 2, 2017 at 3:30 PM, Nir Soffer wrote:
>>
>>
>> If you don't have a vdsm.conf file, or the file is empty, you can
>> generate a new file
>> like this:
>>
>> python /usr/lib64/python2.7/site-packages/vdsm/config.py >
>> vdsm.conf.
On Thu, Feb 2, 2017 at 3:30 PM, Nir Soffer wrote:
>
> If you don't have a vdsm.conf file, or the file is empty, you can
> generate a new file
> like this:
>
> python /usr/lib64/python2.7/site-packages/vdsm/config.py >
> vdsm.conf.examle
>
thanks.
It seems that the package python-libs-2.7.5-48.el
On Thu, Feb 2, 2017 at 4:16 PM, Gianluca Cecchi
wrote:
> On Thu, Feb 2, 2017 at 12:48 PM, Nir Soffer wrote:
>>
>>
>> >
>> > What about [irs] values? Where are they located, in vdsm.conf?
>>
>> Yes but you should not modify them in vdsm.conf.
>>
>> > What are defaults for volume_utilization_percen
On Thu, Feb 2, 2017 at 12:48 PM, Nir Soffer wrote:
>
> >
> > What about [irs] values? Where are they located, in vdsm.conf?
>
> Yes but you should not modify them in vdsm.conf.
>
> > What are defaults for volume_utilization_percent and
> > volume_utilization_chunk_mb?
> > Did they change from 3.6
On Thu, Feb 2, 2017 at 1:34 PM, Gianluca Cecchi
wrote:
> On Thu, Feb 2, 2017 at 12:09 PM, Yaniv Kaul wrote:
>>
>>
>>
>>>
>>>
>>> I decided to switch to preallocated for further tests and confirm
>>> So I created a snapshot and then a clone of the VM, changing allocation
>>> policy of the disk to
On Thu, Feb 2, 2017 at 12:09 PM, Yaniv Kaul wrote:
>
>
>
>>
>> I decided to switch to preallocated for further tests and confirm
>> So I created a snapshot and then a clone of the VM, changing allocation
>> policy of the disk to preallocated.
>> So far so good.
>>
>> Feb 2, 2017 10:40:23 AM VM ol
On Thu, Feb 2, 2017 at 12:04 PM, Gianluca Cecchi
wrote:
>
>
> On Thu, Feb 2, 2017 at 10:48 AM, Nir Soffer wrote:
>>
>> On Thu, Feb 2, 2017 at 1:11 AM, Gianluca Cecchi
>> wrote:
>> > On Wed, Feb 1, 2017 at 8:22 PM, Gianluca Cecchi
>> >
>> > wrote:
>> >>
>> >>
>> >> OK. In the mean time I have ap
On Thu, Feb 2, 2017 at 12:04 PM, Gianluca Cecchi
wrote:
>
>
> On Thu, Feb 2, 2017 at 10:48 AM, Nir Soffer wrote:
>
>> On Thu, Feb 2, 2017 at 1:11 AM, Gianluca Cecchi
>> wrote:
>> > On Wed, Feb 1, 2017 at 8:22 PM, Gianluca Cecchi <
>> gianluca.cec...@gmail.com>
>> > wrote:
>> >>
>> >>
>> >> OK.
On Thu, Feb 2, 2017 at 10:48 AM, Nir Soffer wrote:
> On Thu, Feb 2, 2017 at 1:11 AM, Gianluca Cecchi
> wrote:
> > On Wed, Feb 1, 2017 at 8:22 PM, Gianluca Cecchi <
> gianluca.cec...@gmail.com>
> > wrote:
> >>
> >>
> >> OK. In the mean time I have applied your suggested config and restarted
> >>
On Thu, Feb 2, 2017 at 1:11 AM, Gianluca Cecchi
wrote:
> On Wed, Feb 1, 2017 at 8:22 PM, Gianluca Cecchi
> wrote:
>>
>>
>> OK. In the mean time I have applied your suggested config and restarted
>> the 2 nodes.
>> Let we test and see if I find any problems running also some I/O tests.
>> Thanks i
On Wed, Feb 1, 2017 at 8:22 PM, Gianluca Cecchi
wrote:
>
> OK. In the mean time I have applied your suggested config and restarted
> the 2 nodes.
> Let we test and see if I find any problems running also some I/O tests.
> Thanks in the mean time,
> Gianluca
>
Quick test without much success
In
I'm also seeing this error using a Dell MD3800i array. The multipath
errors shown in our logs are different however.
Feb 1 15:11:58 ovirt-node-production2 kernel: dd: sending ioctl
80306d02 to a partition!
Feb 1 15:21:01 ovirt-node-production2 multipathd: dm-31: remove map
(uevent)
Feb 1 15:21
On Wed, Feb 1, 2017 at 8:39 AM, Nir Soffer wrote:
>
>
> Hi Gianluca,
>
> This should be a number, not a string, maybe multipath is having trouble
> parsing this and it ignores your value?
>
I don't think so. Also because reading dm multipath guide at
https://access.redhat.com/documentation/en-US
On Tue, Jan 31, 2017 at 6:09 PM, Gianluca Cecchi
wrote:
> On Tue, Jan 31, 2017 at 3:23 PM, Nathanaël Blanchet
> wrote:
>>
>> exactly the same issue by there with FC EMC domain storage...
>>
>>
>
> I'm trying to mitigate inserting a timeout for my SAN devices but I'm not
> sure of its effectivenes
On Tue, Jan 31, 2017 at 3:23 PM, Nathanaël Blanchet
wrote:
> exactly the same issue by there with FC EMC domain storage...
>
>
I'm trying to mitigate inserting a timeout for my SAN devices but I'm not
sure of its effectiveness as CentOS 7 behavior of "multipathd -k" and then
"show config" seems
exactly the same issue by there with FC EMC domain storage...
Le 31/01/2017 à 15:20, Gianluca Cecchi a écrit :
Hello,
my test environment is composed by 2 old HP blades BL685c G1 (ovmsrv05
and ovmsrv06) and they are connected in a SAN with FC-switches to an
old IBM DS4700 storage array.
Apar
Hello,
my test environment is composed by 2 old HP blades BL685c G1 (ovmsrv05 and
ovmsrv06) and they are connected in a SAN with FC-switches to an old IBM
DS4700 storage array.
Apart from being old, they seem all ok from an hw point of view.
I have configured oVirt 4.0.6 and an FCP storage domain.
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