Attachment 9392 Details for Bug 21017 – CLI output of qemu-nbd (more detailed)

CLI output of qemu-nbd (more detailed)

qemu-nbd.log (text/plain), 3.23 KB, created by Ulrich Beckmann on 2017-06-04 17:03:37 CEST

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Creator: Ulrich Beckmann

Created: 2017-06-04 17:03:37 CEST

Size: 3.23 KB

patch

obsolete

>[root@localhost Qemu VMs]# ls -l
>total 17192264
>-rw-r--r-- 1 root root  3455975424 Jun  3 10:26 Mageia-6rc-0526.ovl
>-rw------- 1 root root  5526978560 Jun  4 12:36 Mageia-6rc-b-0520-clone.img
>-rw-r--r-- 1 root root  4692901888 Jun  4 12:37 Mageia-6rc-b-0525-clone.ovl
>-rw------- 1  476  472 12887130112 May 26 20:08 Mageia-6rc.img
>[root@localhost Qemu VMs]#
>[root@localhost Qemu VMs]# qemu-nbd -c /dev/nbd0 Mageia-6rc-b-0520-clone.img
>[root@localhost Qemu VMs]#
>[root@localhost Qemu VMs]# fdisk -l /dev/nbd0
>Disk /dev/nbd0: 12 GiB, 12884901888 bytes, 25165824 sectors
>Units: sectors of 1 * 512 = 512 bytes
>Sector size (logical/physical): 512 bytes / 512 bytes
>I/O size (minimum/optimal): 512 bytes / 512 bytes
>Disklabel type: dos
>Disk identifier: 0x00000000
>
>Device      Boot    Start      End  Sectors  Size Id Type
>/dev/nbd0p1 *        2048 21208319 21206272 10,1G 83 Linux
>/dev/nbd0p2      21211092 25165727  3954636  1,9G  5 Extended
>/dev/nbd0p5      21211136 25165727  3954592  1,9G 82 Linux swap / Solaris
>[root@localhost Qemu VMs]#
>[root@localhost Qemu VMs]# mount /dev/nbd0p1 /mnt
>mount: special device /dev/nbd0p1 does not exist
>[root@localhost Qemu VMs]#
>[root@localhost Qemu VMs]# qemu-nbd -c /dev/nbd1 Mageia-6rc-b-0525-clone.ovl
>[root@localhost Qemu VMs]#
>[root@localhost Qemu VMs]# fdisk -l /dev/nbd1
>Disk /dev/nbd1: 12 GiB, 12884901888 bytes, 25165824 sectors
>Units: sectors of 1 * 512 = 512 bytes
>Sector size (logical/physical): 512 bytes / 512 bytes
>I/O size (minimum/optimal): 512 bytes / 512 bytes
>Disklabel type: dos
>Disk identifier: 0x00000000
>
>Device      Boot    Start      End  Sectors  Size Id Type
>/dev/nbd1p1 *        2048 21208319 21206272 10,1G 83 Linux
>/dev/nbd1p2      21211092 25165727  3954636  1,9G  5 Extended
>/dev/nbd1p5      21211136 25165727  3954592  1,9G 82 Linux swap / Solaris
>[root@localhost Qemu VMs]#
>[root@localhost Qemu VMs]# mount /dev/nbd1p1 /mnt
>mount: special device /dev/nbd1p1 does not exist
>[root@localhost Qemu VMs]#
>[root@localhost Qemu VMs]# qemu-img info --backing-chain Mageia-6rc-b-0525-clone.ovl
>image: Mageia-6rc-b-0525-clone.ovl
>file format: qcow2
>virtual size: 12G (12884901888 bytes)
>disk size: 2.9G
>cluster_size: 65536
>backing file: Mageia-6rc-b-0520-clone.img
>Snapshot list:
>ID        TAG                 VM SIZE                DATE       VM CLOCK
>3         snapshot3                 0 2017-05-29 17:23:02   00:00:00.000
>5         snapshot2              1.1G 2017-06-03 11:31:18   00:02:31.925
>Format specific information:
>    compat: 1.1
>    lazy refcounts: false
>    refcount bits: 16
>    corrupt: false
>
>image: Mageia-6rc-b-0520-clone.img
>file format: qcow2
>virtual size: 12G (12884901888 bytes)
>disk size: 5.1G
>cluster_size: 65536
>Format specific information:
>    compat: 1.1
>    lazy refcounts: true
>    refcount bits: 16
>    corrupt: false
>[root@localhost Qemu VMs]#
>[root@localhost Qemu VMs]# qemu-img info --backing-chain Mageia-6rc-b-0520-clone.img
>image: Mageia-6rc-b-0520-clone.img
>file format: qcow2
>virtual size: 12G (12884901888 bytes)
>disk size: 5.1G
>cluster_size: 65536
>Format specific information:
>    compat: 1.1
>    lazy refcounts: true
>    refcount bits: 16
>    corrupt: false
>[root@localhost Qemu VMs]#
>
>[root@localhost Qemu VMs]# blkid | grep nbd
>/dev/nbd0: PTTYPE="dos"
>/dev/nbd1: PTTYPE="dos"
>[root@localhost Qemu VMs]#

[root@localhost Qemu VMs]# ls -l
total 17192264
-rw-r--r-- 1 root root  3455975424 Jun  3 10:26 Mageia-6rc-0526.ovl
-rw------- 1 root root  5526978560 Jun  4 12:36 Mageia-6rc-b-0520-clone.img
-rw-r--r-- 1 root root  4692901888 Jun  4 12:37 Mageia-6rc-b-0525-clone.ovl
-rw------- 1  476  472 12887130112 May 26 20:08 Mageia-6rc.img
[root@localhost Qemu VMs]#
[root@localhost Qemu VMs]# qemu-nbd -c /dev/nbd0 Mageia-6rc-b-0520-clone.img
[root@localhost Qemu VMs]#
[root@localhost Qemu VMs]# fdisk -l /dev/nbd0
Disk /dev/nbd0: 12 GiB, 12884901888 bytes, 25165824 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x00000000

Device      Boot    Start      End  Sectors  Size Id Type
/dev/nbd0p1 *        2048 21208319 21206272 10,1G 83 Linux
/dev/nbd0p2      21211092 25165727  3954636  1,9G  5 Extended
/dev/nbd0p5      21211136 25165727  3954592  1,9G 82 Linux swap / Solaris
[root@localhost Qemu VMs]#
[root@localhost Qemu VMs]# mount /dev/nbd0p1 /mnt
mount: special device /dev/nbd0p1 does not exist
[root@localhost Qemu VMs]#
[root@localhost Qemu VMs]# qemu-nbd -c /dev/nbd1 Mageia-6rc-b-0525-clone.ovl
[root@localhost Qemu VMs]#
[root@localhost Qemu VMs]# fdisk -l /dev/nbd1
Disk /dev/nbd1: 12 GiB, 12884901888 bytes, 25165824 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x00000000

Device      Boot    Start      End  Sectors  Size Id Type
/dev/nbd1p1 *        2048 21208319 21206272 10,1G 83 Linux
/dev/nbd1p2      21211092 25165727  3954636  1,9G  5 Extended
/dev/nbd1p5      21211136 25165727  3954592  1,9G 82 Linux swap / Solaris
[root@localhost Qemu VMs]#
[root@localhost Qemu VMs]# mount /dev/nbd1p1 /mnt
mount: special device /dev/nbd1p1 does not exist
[root@localhost Qemu VMs]#
[root@localhost Qemu VMs]# qemu-img info --backing-chain Mageia-6rc-b-0525-clone.ovl
image: Mageia-6rc-b-0525-clone.ovl
file format: qcow2
virtual size: 12G (12884901888 bytes)
disk size: 2.9G
cluster_size: 65536
backing file: Mageia-6rc-b-0520-clone.img
Snapshot list:
ID        TAG                 VM SIZE                DATE       VM CLOCK
3         snapshot3                 0 2017-05-29 17:23:02   00:00:00.000
5         snapshot2              1.1G 2017-06-03 11:31:18   00:02:31.925
Format specific information:
    compat: 1.1
    lazy refcounts: false
    refcount bits: 16
    corrupt: false

image: Mageia-6rc-b-0520-clone.img
file format: qcow2
virtual size: 12G (12884901888 bytes)
disk size: 5.1G
cluster_size: 65536
Format specific information:
    compat: 1.1
    lazy refcounts: true
    refcount bits: 16
    corrupt: false
[root@localhost Qemu VMs]#
[root@localhost Qemu VMs]# qemu-img info --backing-chain Mageia-6rc-b-0520-clone.img
image: Mageia-6rc-b-0520-clone.img
file format: qcow2
virtual size: 12G (12884901888 bytes)
disk size: 5.1G
cluster_size: 65536
Format specific information:
    compat: 1.1
    lazy refcounts: true
    refcount bits: 16
    corrupt: false
[root@localhost Qemu VMs]#

[root@localhost Qemu VMs]# blkid | grep nbd
/dev/nbd0: PTTYPE="dos"
/dev/nbd1: PTTYPE="dos"
[root@localhost Qemu VMs]#

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Attachments on bug 21017: 9389 | 9392