Hi, I am trying to launch instance on 2 node Openstack system. Controller and compute both nodes are on Ubuntu Server 14.04 / intel i5 processor while booting instance through command prompt as well as from dashboard, I am getting following error in nova-compute.log
*qemuMonitorOpenUnix : 306 : failed to connect to monitor socket ; no such a process* *qemuprocesswaitformonitor : 1915 : internal error : process exited while connecting throu* *Could not open backing file. Could not read image for determining its format : Invalid Argument* While launching instance I can even see following error in syslog file nbd8: unknown partition table EXT4-fs (nbd8): VFS: Can't find ext4 filesystem EXT4-fs (nbd8): VFS: Can't find ext4 filesystem EXT4-fs (nbd8): VFS: Can't find ext4 filesystem FAT-fs (nbd8): invalid media value (0x74) FAT-fs (nbd8): cant find a valid FAT filesystem block nbd8: NBD_DISCONNECT the partition table with* fdisk -l *is as below Device Boot Start End Blocks Id System /dev/sda1 1 976773167 488386583+ ee GPT The output of *lsblk *is as below NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 465.8G 0 disk |-sda1 8:1 0 512M 0 part /boot/efi |-sda2 8:2 0 457.4G 0 part / |-sda3 8:3 0 7.9G 0 part [SWAP] | with *sudo parted* */dev/sda *the output is as below GNU Parted 2.3 Using /dev/sda Welcome to GNU Parted! Type 'help'to view list of commands (parted) p Model: ATA HGST HTS725050A7 (scsi) Disk /dev/sda: 500GB Sector size (logical/physical): 512B/4096B Partition Table: GPT Number Start End Size File System Name Flags 1 1049kB 538MB 537MB FAT32 boot 2 538MB 492GB 491GB ext4 3 492GB 500GB 8491MB linux-swap(v1) (parted) Please help to resolve the problem. Is it due to GPT partitioning and How can I make it understand underlying ext4 partition ? Let me know if need to give any more details. Thanks in advance -- *-Regards* *Prof. Prashant Bharat Sawant* *Asst. Professor,* *K J Somaiya Institute of Engineering & IT,* *Somaiya Ayurvihar Complex, Sion(e), Mumbai* *Mob. : 9096286742* -- <http://www.somaiya.edu> <http://www.somaiya.edu/kjsmc> <http://www.nareshwadi.org> <http://www.somaiya.edu> <http://www.helpachild.in> <http://www.somaiya.edu>
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