Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-04-04 Thread Gianluca Cecchi
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:

Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-02-03 Thread Benjamin Marzinski
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

Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-02-02 Thread Gianluca Cecchi
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

Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-02-02 Thread Benjamin Marzinski
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

Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-02-02 Thread Nir Soffer
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

Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-02-02 Thread Gianluca Cecchi
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.

Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-02-02 Thread Nir Soffer
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

Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-02-02 Thread Gianluca Cecchi
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

Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-02-02 Thread Nir Soffer
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. >> >> >

Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-02-02 Thread Gianluca Cecchi
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

Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-02-02 Thread Nir Soffer
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,

Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-02-02 Thread Gianluca Cecchi
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,

Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-02-02 Thread Nir Soffer
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,

Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-02-02 Thread Yaniv Kaul
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,

Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-02-02 Thread Nir Soffer
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

Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-02-01 Thread Gianluca Cecchi
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

Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-02-01 Thread Michael Watters
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

Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-02-01 Thread Gianluca Cecchi
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

Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-01-31 Thread Nir Soffer
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

Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-01-31 Thread Gianluca Cecchi
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

Re: [ovirt-users] VM has been paused due to storage I/O problem

2017-01-31 Thread Nathanaël Blanchet
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.