For 2nd Created : https://bugzilla.redhat.com/show_bug.cgi?id=2008533
I still need to test the rule
On Wed, Sep 22, 2021 at 11:59 AM Benny Zlotnik wrote:
>
> I see the rule is created in the logs:
>
> MainProcess|jsonrpc/5::DEBUG::2021-09-22
> 10:39:37,504::supervdsm_server::95::SuperVdsm.ServerCallback::(wrapper)
> call add_managed_udev_rule with
> ('ed1a0e9f-4d30-4896-b965-534861cc0c02',
> '/dev/mapper/360014054b727813d1bc4d4cefdade7db') {}
> MainProcess|jsonrpc/5::DEBUG::2021-09-22
> 10:39:37,505::udev::124::SuperVdsm.ServerCallback::(add_managed_udev_rule)
> Creating rule
> /etc/udev/rules.d/99-vdsm-managed_ed1a0e9f-4d30-4896-b965-534861cc0c02.rules:
> 'SYMLINK=="mapper/360014054b727813d1bc4d4cefdade7db",
> RUN+="/usr/bin/chown vdsm:qemu $env{DEVNAME}"\n'
>
> While we no longer test backends other than ceph, this used to work
> back when we started and it worked for NetApp. Perhaps this rule is
> incorrect, can you check this manually?
>
> regarding 2, can you please submit a bug?
>
> On Wed, Sep 22, 2021 at 1:03 PM Shantur Rathore
> wrote:
> >
> > Hi all,
> >
> > I am trying to set up Managed block storage and have the following issues.
> >
> > My setup:
> > Latest oVirt Node NG : 4.4.8
> > Latest oVirt Engine : 4.4.8
> >
> > 1. Unable to copy to iSCSI based block storage
> >
> > I created a MBS with Synology UC3200 as a backend ( supported by
> > Cinderlib ). It was created fine but when I try to copy disks to it,
> > it fails.
> > Upon looking at the logs from SPM, I found "qemu-img" failed with an
> > error that it cannot open "/dev/mapper/xx" : Permission Error.
> > Had a look through the code and digging out more, I saw that
> > a. Sometimes /dev/mapper/ symlink isn't created ( log attached )
> > b. The ownership to /dev/mapper/xx and /dev/dm-xx for the new
> > device always stays at root:root
> >
> > I added a udev rule
> > ACTION=="add|change", ENV{DM_UUID}=="mpath-*", GROUP="qemu",
> > OWNER="vdsm", MODE="0660"
> >
> > and the disk copied correctly when /dev/mapper/x got created.
> >
> > 2. Copy progress finishes in UI very early than the actual qemu-img process.
> > The UI shows the Copy process is completed successfully but it's
> > actually still copying the image.
> > This happens both for ceph and iscsi based mbs.
> >
> > Is there any known workaround to get iSCSI MBS working?
> >
> > Kind regards,
> > Shantur
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