Re: [ovirt-users] iSCSI Data Domain Down

Thank you so much Arman. With use of that command, I was able to restore service. I really appreciate the help On May 1, 2016, at 2:58 PM, Arman Khalatyan <arm2arm(a)gmail.com&gt; wrote: Hi, before to start target cli you should remove all lvm auto-imported volumes: dmsetup remove_all Then restart your targetcli. Am 01.05.2016 1:51 nachm. schrieb "Clint Boggio" <clint(a)theboggios.com&gt;: > Greetings oVirt Family; > > Due to catastrophic power failure, my datacenter lost power. I am using a > CentOS7 server to provide ISCSI services to my OVirt platform. > > When the power came back on, and the iscsi server booted back up, the > filters in lvm.conf were faulty and LVM assumed control over the LVM's that > OVirt uses as the disks for the VMs. This tanked target.service because it > claims "device already in use" and my datacenter is down. > > I've tried several filter combinations in lvm.conf to no avail, and in my > search I've found no documentation on how to make LVM "forget" about the > volumes that it had assumed and release them. > > Do any of you know of a procedure to make lvm forget about and release > the volumes on /dev/sda ? > > OVirt 3.6.5 on CentOS 7 > 4 Hypervisor nodes CentOS7 > 1 Dedicated engine CentOS7 > 1 iscsi SAN CentOS 7 exporting 10TB block device from a Dell Perc RAID > controller /dev/sda with targetcli. > 1 NFS server for ISO and Export Domains 5TB > > I'm out I ideas and any help would be greatly appreciated. > > I'm currently using dd to recover the VM disk drives over to the NFS > server in case this cannot be recovered. > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users >