[ovirt-devel] [VDSM] All tests using directio fail on CI

[Eyal Edri]

Evgheni,
Can you try switching the current RAM drive with zram?

On Wed, Sep 28, 2016 at 11:43 PM, Nir Soffer <nsoffer at redhat.com> wrote:

> On Wed, Sep 28, 2016 at 11:39 PM, Yaniv Kaul <ykaul at redhat.com> wrote:
> > On Sep 28, 2016 11:37 PM, "Nir Soffer" <nsoffer at redhat.com> wrote:
> >>
> >> On Wed, Sep 28, 2016 at 11:20 PM, Nir Soffer <nsoffer at redhat.com>
> wrote:
> >> > On Wed, Sep 28, 2016 at 10:31 PM, Barak Korren <bkorren at redhat.com>
> >> > wrote:
> >> >> The CI setup did not change recently.
> >> >
> >> > Great
> >> >
> >> >> All standard-CI jobs run inside mock (chroot) which is stored on top
> >> >> of a regular FS, so they should not be affected by the slave OS at
> all
> >> >> as far as FS settings go.
> >> >>
> >> >> But perhaps some slave-OS/mock-OS combination is acting strangely, so
> >> >> could you be more specific and point to particular job runs that
> fail?
> >> >
> >> > This jobs failed, but it was deleted (I get 404 now):
> >> > http://jenkins.ovirt.org/job/vdsm_master_check-patch-fc24-
> x86_64/2530/
> >>
> >> Oops, wrong build.
> >>
> >> This is the failing build:
> >>
> >>
> >> http://jenkins.ovirt.org/job/vdsm_master_check-patch-el7-
> x86_64/1054/console
> >>
> >> And this is probably the reason - using a ram disk:
> >>
> >> 12:24:53 Building remotely on ovirt-srv08.phx.ovirt.org (phx physical
> >> integ-tests ram_disk fc23) in workspace
> >> /home/jenkins/workspace/vdsm_master_check-patch-el7-x86_64
> >>
> >> We cannot run the storage tests using a ramdisk. We are creating
> >> (tiny) volumes and storage domains and doing copies, this code cannot
> >> work with ramdisk.
> >
> > Will it work on zram?
> > What if we configure ram based iSCSI targets?
>
> I don't know, but it is easy to test - it this works the tests will work:
>
> dd if=/dev/zero of=file bs=512 count=1 oflag=direct
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>


-- 
Eyal Edri
Associate Manager
RHV DevOps
EMEA ENG Virtualization R&D
Red Hat Israel

phone: +972-9-7692018
irc: eedri (on #tlv #rhev-dev #rhev-integ)
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