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Strange device /dev/dm-0 and /dev/dm-1 /dev/dm-2

Discussion in 'Proxmox VE 1.x: Installation and configuration' started by draguz, Feb 26, 2010.

  1. draguz

    draguz Member

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    Hi, what is the /dev/dm-0 device ??

    these is my configuration:

    srvproxmox1:/# pveversion --verbose
    pve-manager: 1.5-8 (pve-manager/1.5/4674)
    running kernel: 2.6.18-2-pve
    proxmox-ve-2.6.18: 1.5-5
    pve-kernel-2.6.18-2-pve: 2.6.18-5
    qemu-server: 1.1-11
    pve-firmware: 1.0-3
    libpve-storage-perl: 1.0-10
    vncterm: 0.9-2
    vzctl: 3.0.23-1pve8
    vzdump: 1.2-5
    vzprocps: 2.0.11-1dso2
    vzquota: 3.0.11-1
    pve-qemu-kvm-2.6.18: 0.9.1-5


    srvproxmox1:/# fdisk -l

    Disk /dev/sda: 146.6 GB, 146685296640 bytes
    255 heads, 63 sectors/track, 17833 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Disk identifier: 0x00000000

    Device Boot Start End Blocks Id System
    /dev/sda1 * 1 66 524288 83 Linux
    Partition 1 does not end on cylinder boundary.
    /dev/sda2 66 17833 142719252 8e Linux LVM

    Disk /dev/sdb: 293.3 GB, 293381079040 bytes
    255 heads, 63 sectors/track, 35668 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Disk identifier: 0x4cdf5762

    Device Boot Start End Blocks Id System

    Disk /dev/dm-0: 8589 MB, 8589934592 bytes
    255 heads, 63 sectors/track, 1044 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Disk identifier: 0x00000000

    Disk /dev/dm-0 doesn't contain a valid partition table

    Disk /dev/dm-1: 36.5 GB, 36507222016 bytes
    255 heads, 63 sectors/track, 4438 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Disk identifier: 0x00000000

    Disk /dev/dm-1 doesn't contain a valid partition table

    Disk /dev/dm-2: 96.7 GB, 96758398976 bytes
    255 heads, 63 sectors/track, 11763 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Disk identifier: 0x00000000

    Disk /dev/dm-2 doesn't contain a valid partition table

    srvproxmox1:/# lsscsi
    [6:0:0:0] disk Sun proxmox1 V1.0 /dev/sda
    [6:0:1:0] disk Sun raid5 V1.0 /dev/sdb
    [6:1:0:0] disk HITACHI H103014SCSUN146G A160 -
    [6:1:1:0] disk SEAGATE ST914603SSUN146G 0868 -
    [6:1:2:0] disk SEAGATE ST914603SSUN146G 0868 -
    [6:1:3:0] disk SEAGATE ST914603SSUN146G 0868 -
    [6:1:4:0] disk SEAGATE ST914603SSUN146G 0868 -
    [6:3:0:0] enclosu ADAPTEC Virtual SGPIO 0 0001 -
    [6:3:1:0] enclosu ADAPTEC Virtual SGPIO 1 0001 -
    [7:0:0:0] cd/dvd TSSTcorp CD/DVDW TS-T632A SR03 /dev/sr0

    thank you very much.
     
  2. dietmar

    dietmar Proxmox Staff Member
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    device manager (LVM2) devices.
     
  3. draguz

    draguz Member

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    Ok, thank you.
     

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