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

[Maor Lipchuk]

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