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

From: "Devin A. Bougie" <devin.bougie(a)cornell.edu&gt; To: "Maor Lipchuk" <mlipchuk(a)redhat.com&gt; Cc: Users(a)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(a)redhat.com&gt; 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@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@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