Re: [ovirt-users] iSCSI Data Domain Down
Nice! To automate that you can put it into: /etc/rc.local chmod +x /etc/rc.local Then put dmremove and targetcli there. Your service will come back after the power fails. Am 02.05.2016 12:39 vorm. schrieb "Clint Boggio" : > 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 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" : > >> 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@ovirt.org >> http://lists.ovirt.org/mailman/listinfo/users >> > ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
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 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" : >> 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@ovirt.org >> http://lists.ovirt.org/mailman/listinfo/users ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [ovirt-users] iSCSI Data Domain Down
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" : > 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@ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users