Hi, I am trying to host KVM machines on an NFSoRDMA mount. This works: -drive file=/mnt/vm001.img,if=none,id=drive-virtio-disk0,format=raw -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk0,id=virtio-disk0 This Doesn't! -drive file=/mnt/vm001.img,if=none,id=drive-virtio-disk0,format=raw,cache=none -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=2 Any ideas why this could be? I have tried various kernel / ofed combinations. Thanks, Andrew dmesg: vda: vda: vda1 vda: vda1 vda: vda1 vda2 vda: vda1 vda2 vda: vda1 vda2 vda3 vda: vda1 vda2 vda3 vda: vda1 vda2 vda3 vda4 < > vda: vda1 vda2 vda3 vda4 < > vda: vda1 vda2 vda3 vda4 < vda5 > vda: vda1 vda2 vda3 vda4 < vda5 > vda: vda1 vda2 vda3 vda4 < vda5 vda6 > vda: vda1 vda2 vda3 vda4 < vda5 vda6 > Adding 15998968k swap on /dev/vda5. Priority:-1 extents:1 across:15998968k EXT3-fs (vda1): error: can't find ext3 filesystem on dev vda1. /var/log/messages Aug 31 18:53:46 (none) node-installer: Mounting disks. Aug 31 18:53:46 (none) node-installer: Updating device status: mounting disks Aug 31 18:53:46 (none) node-installer: Detecting device '/dev/sda': not found Aug 31 18:53:46 (none) node-installer: Detecting device '/dev/hda': not found Aug 31 18:53:46 (none) node-installer: Detecting device '/dev/vda': found Aug 31 18:53:46 (none) node-installer: swapon /dev/vda5 Aug 31 18:53:46 (none) node-installer: mkdir -p /localdisk/ Aug 31 18:53:46 (none) kernel: Adding 15998968k swap on /dev/vda5. Priority:-1 extents:1 across:15998968k Aug 31 18:53:46 (none) node-installer: Mounting /dev/vda1 on /localdisk/ Aug 31 18:53:46 (none) node-installer: mount -t ext3 -o defaults,noatime,nodiratime /dev/vda1 /localdisk/ Aug 31 18:53:46 (none) node-installer: mount: wrong fs type, bad option, bad superblock on /dev/vda1, Aug 31 18:53:46 (none) node-installer: missing codepage or helper program, or other error Aug 31 18:53:46 (none) node-installer: In some cases useful info is found in syslog - try Aug 31 18:53:46 (none) node-installer: dmesg | tail or so Aug 31 18:53:46 (none) node-installer: Aug 31 18:53:46 (none) node-installer: Command failed. Aug 31 18:53:46 (none) node-installer: Running: "mount -t ext3 -o defaults,noatime,nodiratime /dev/vda1 /localdisk/" failed: Aug 31 18:53:46 (none) node-installer: Non zero exit code: 32 Aug 31 18:53:46 (none) kernel: EXT3-fs (vda1): error: can't find ext3 filesystem on dev vda1. Aug 31 18:53:46 (none) node-installer: Failed to mount disks. (Exit code 12, signal 0) Aug 31 18:53:46 (none) node-installer: There was a fatal problem. This node can not be installed until the problem is corrected. Aug 31 18:53:46 (none) node-installer: The error was: failed to mount disks Aug 31 18:53:46 (none) node-installer: Updating device status: failed to mount disks Aug 31 18:53:28 (none) node-installer: Creating primary partition /dev/vda3. Aug 31 18:53:28 (none) node-installer: parted -s -- /dev/vda mkpart primary ext3 22530 24578 Aug 31 18:53:28 (none) kernel: vda: vda1 vda2 vda3 Aug 31 18:53:28 (none) node-installer: dd if=/dev/zero of=/dev/vda3 bs=1k count=4 Aug 31 18:53:28 (none) node-installer: 4+0 records in Aug 31 18:53:28 (none) node-installer: 4+0 records out Aug 31 18:53:28 (none) node-installer: 4096 bytes (4.1 kB) copied, 0.000842261 s, 4.9 MB/s Aug 31 18:53:28 (none) node-installer: Running partprobe on device: /dev/vda Aug 31 18:53:28 (none) kernel: vda: vda1 vda2 vda3 Aug 31 18:53:45 (none) node-installer: Creating ext3 filesystem on /dev/vda3 Aug 31 18:53:45 (none) node-installer: mke2fs -j /dev/vda3 Aug 31 18:53:45 (none) node-installer: mke2fs 1.41.12 (17-May-2010) Aug 31 18:53:45 (none) node-installer: Filesystem label= Aug 31 18:53:45 (none) node-installer: OS type: Linux Aug 31 18:53:45 (none) node-installer: Block size=4096 (log=2) Aug 31 18:53:45 (none) node-installer: Fragment size=4096 (log=2) Aug 31 18:53:45 (none) node-installer: Stride=0 blocks, Stripe width=0 blocks Aug 31 18:53:45 (none) node-installer: 125184 inodes, 499968 blocks Aug 31 18:53:45 (none) node-installer: 24998 blocks (5.00%) reserved for the super user Aug 31 18:53:45 (none) node-installer: First data block=0 Aug 31 18:53:45 (none) node-installer: Maximum filesystem blocks=515899392 Aug 31 18:53:45 (none) node-installer: 16 block groups Aug 31 18:53:45 (none) node-installer: 32768 blocks per group, 32768 fragments per group Aug 31 18:53:45 (none) node-installer: 7824 inodes per group Aug 31 18:53:45 (none) node-installer: Superblock backups stored on blocks: Aug 31 18:53:45 (none) node-installer: #01132768, 98304, 163840, 229376, 294912 Aug 31 18:53:45 (none) node-installer: Aug 31 18:53:45 (none) node-installer: Writing inode tables: 0/16#010#010#010#010#010 1/16#010#010#010#010#010 2/16#010#010#010#010#010 3/16#010#010#010#010#010 4/16#010#010#010#010#010 5/16#010#010#010#010#010 6/16#010#010#010#010#010 7/16#010#010#010#010#010 8/16#010#010#010#010#010 9/16#010#010#010#010#01010/16#010#010#010#010#01011/16#010#010#010#010#01012/16#010#010#010#010#01013/16#010#010#010#010#01014/16#010#010#010#010#01015/16#010#010#010#010#010done Aug 31 18:53:45 (none) node-installer: Creating journal (8192 blocks): done Aug 31 18:53:45 (none) node-installer: Writing superblocks and filesystem accounting information: done Aug 31 18:53:45 (none) node-installer: Aug 31 18:53:45 (none) node-installer: This filesystem will be automatically checked every 24 mounts or Aug 31 18:53:45 (none) node-installer: 180 days, whichever comes first. 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