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...ages as needed by dependencies. 2. Installed glusterfs-geo-replication and rsync packages on GlusterFS server. 3. Created ssh key on server, saved it to /var/lib/glusterd/geo-replication/secret.pem and copied it to slave /root/.ssh/authorized_keys 4. On server ran: - gluster volume geo-replication vmstorage slave:/backup/vmstorage config remote_gsyncd /usr/libexec/glusterfs/gsyncd - gluster volume geo-replication vmstorage slave:/backup/vmstorage start After that geo-replication status was "starting?" for a while and after that it switched to "N/A". I set log-level to DEBUG and s...

...rst must address kvm and nfs. NFS:  Create a storage area, where both HV1, and HV2 can access it. There are several methods available for this (FCOE/ISCSI/NFS). For this write-up use nfs. Configure NFS:  Create a directory on nfs.vtt.priv where you want your storage to be. In this case used /home/vmstorage  Edit /etc/exports and add the following /home/vmstorage 172.0.0.0/1(rw,no_root_squash,sync)  Now to /etc/sysconfig/nfs Uncomment RPCNFSDARGS=”-N 4” This will disable nfs v4. If you don’t do this you will have issues with not being able to access the share from within VirtManager.  Add all thre...

...ot>restart</on_reboot> <on_crash>restart</on_crash> <devices> <emulator>/usr/bin/qemu-kvm</emulator> <disk type='file' device='disk'> <driver name='qemu' type='raw'/> <source file='/ssd/vmstorage/web1.raw'/> <target dev='vda' bus='virtio'/> <alias name='virtio-disk0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> </disk> <disk type='...

Hello guys, We have a lot of small computers on top of two servers running QEMU/KVM virtualisation with libvirt. In this case, most of the VMs are not doing much work, some of them barely touches any "hardware" resources. I have two problems, they might be connected. When I do a bigger IO job on one of the VMs (like downloading files to local disk) all other VMs' IO load