[ovirt-users] Error while executing action New SAN Storage Domain: Cannot zero out volume

[Maor Lipchuk]

----- Original Message -----
> From: "Maor Lipchuk" <mlipchuk at redhat.com>
> To: "Devin A. Bougie" <devin.bougie at cornell.edu>
> Cc: Users at ovirt.org
> Sent: Monday, October 26, 2015 7:50:49 AM
> Subject: Re: [ovirt-users] Error while executing action New SAN Storage Domain: Cannot zero out volume
> 
> Looks like zeroing out the metadata volume with a dd operation was working.
> Can u try to remove the Storage Domain and add it back again now
> 
> Regards,
> Maor
> 
> 
> 
> ----- Original Message -----
> > From: "Devin A. Bougie" <devin.bougie at cornell.edu>
> > To: "Maor Lipchuk" <mlipchuk at redhat.com>
> > Cc: Users at ovirt.org
> > Sent: Sunday, October 25, 2015 11:28:01 PM
> > Subject: Re: [ovirt-users] Error while executing action New SAN Storage
> > Domain: Cannot zero out volume
> > 
> > Hi Maor,
> > 
> > On Oct 25, 2015, at 12:03 PM, Maor Lipchuk <mlipchuk at redhat.com> wrote:
> > > few questions:
> > > Which RHEL version is installed on your Host?
> > 
> > 7.1
> > 
> > > Can you please share the output of "ls -l
> > > /dev/cb5b0e2e-d68d-462a-b8fa-8894a6e0ed19/"
> > 
> > [root at lnx84 ~]# ls -l /dev/cb5b0e2e-d68d-462a-b8fa-8894a6e0ed19/
> > total 0
> > lrwxrwxrwx 1 root root 8 Oct 23 16:05 ids -> ../dm-23
> > lrwxrwxrwx 1 root root 8 Oct 23 16:05 inbox -> ../dm-24
> > lrwxrwxrwx 1 root root 8 Oct 23 16:05 leases -> ../dm-22
> > lrwxrwxrwx 1 root root 8 Oct 23 16:05 metadata -> ../dm-20
> > lrwxrwxrwx 1 root root 8 Oct 23 16:05 outbox -> ../dm-21
> > 
> > > What happen when you run this command from your Host:
> > > /usr/bin/nice -n 19 /usr/bin/ionice -c 3 /usr/bin/dd if=/dev/zero
> > > of=/dev/cb5b0e2e-d68d-462a-b8fa-8894a6e0ed19/metadata bs=1048576 seek=0
> > > skip=0 conv=notrunc count=40 oflag=direct
> > 
> > [root at lnx84 ~]# /usr/bin/nice -n 19 /usr/bin/ionice -c 3 /usr/bin/dd
> > if=/dev/zero of=/dev/cb5b0e2e-d68d-462a-b8fa-8894a6e0ed19/metadata
> > bs=1048576 seek=0 skip=0 conv=notrunc count=40 oflag=direct
> > 40+0 records in
> > 40+0 records out
> > 41943040 bytes (42 MB) copied, 0.435552 s, 96.3 MB/s
> > 
> > > Also, please consider to open a bug at
> > > https://bugzilla.redhat.com/enter_bug.cgi?product=oVirt, with all the
> > > logs
> > > and output so it can be resolved ASAP.

please disregard the above link.
The link for opening a bug is
https://bugzilla.redhat.com/enter_bug.cgi?classification=oVirt

> > 
> > I'll open a bug report in the morning unless you have any other
> > suggestions.
> > Many thanks for following up!
> > 
> > Devin
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