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And divided a volume group containing 50 extends on volume group lv, make it as ext4 file system, and mounted

CORRECT TEXT
Create a volume group, and set 16M as a extends. And divided a volume group containing 50

extends on volume group lv, make it as ext4 file system, and mounted automatically under /mnt/data.

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Answer: A

Explanation:
# pvcreate /dev/sda7 /dev/sda8
# vgcreate -s 16M vg1 /dev/sda7 /dev/sda8
# lvcreate -l 50 -n lvm02
# mkfs.ext4 /dev/vg1/lvm02
# blkid /dev/vg1/lv1
# vim /etc/fstab
# mkdir -p /mnt/data
UUID=xxxxxxxx /mnt/data ext4 defaults 0 0
# vim /etc/fstab
# mount -a
# mount
(Verify)

One Comment on “And divided a volume group containing 50 extends on volume group lv, make it as ext4 file system, and mounted”

  1. Pritam says:

    # fdisk -cu /dev/vda

    Command (m for help): p

    Disk /dev/vda: 6442 MB, 6442450944 bytes
    16 heads, 63 sectors/track, 12483 cylinders, total 12582912 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
    Disk identifier: 0x0007d1ac

    Device Boot Start End Blocks Id System
    /dev/vda1 * 2048 526335 262144 83 Linux
    /dev/vda2 526336 9914367 4694016 8e Linux LVM

    Command (m for help): n
    Command action
    e extended
    p primary partition (1-4)
    e
    Partition number (1-4): 3
    First sector (9914368-12582911, default 9914368):
    Using default value 9914368
    Last sector, +sectors or +size{K,M,G} (9914368-12582911, default 12582911):
    Using default value 12582911

    Command (m for help): n
    Command action
    l logical (5 or over)
    p primary partition (1-4)
    l
    First sector (9916416-12582911, default 9916416):
    Using default value 9916416
    Last sector, +sectors or +size{K,M,G} (9916416-12582911, default 12582911): +169M

    Command (m for help): p

    Disk /dev/vda: 6442 MB, 6442450944 bytes
    16 heads, 63 sectors/track, 12483 cylinders, total 12582912 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
    Disk identifier: 0x0007d1ac

    Device Boot Start End Blocks Id System
    /dev/vda1 * 2048 526335 262144 83 Linux
    /dev/vda2 526336 9914367 4694016 8e Linux LVM
    /dev/vda3 9914368 12582911 1334272 5 Extended
    /dev/vda5 9916416 10262527 173056 83 Linux

    Command (m for help): t
    Partition number (1-5): 5
    Hex code (type L to list codes): 8e
    Changed system type of partition 5 to 8e (Linux LVM)

    Command (m for help): p

    Disk /dev/vda: 6442 MB, 6442450944 bytes
    16 heads, 63 sectors/track, 12483 cylinders, total 12582912 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
    Disk identifier: 0x0007d1ac

    Device Boot Start End Blocks Id System
    /dev/vda1 * 2048 526335 262144 83 Linux
    /dev/vda2 526336 9914367 4694016 8e Linux LVM
    /dev/vda3 9914368 12582911 1334272 5 Extended
    /dev/vda5 9916416 10262527 173056 8e Linux LVM

    Command (m for help): w
    The partition table has been altered!

    Calling ioctl() to re-read partition table.

    WARNING: Re-reading the partition table failed with error 16: Device or resource busy.
    The kernel still uses the old table. The new table will be used at
    the next reboot or after you run partprobe(8) or kpartx(8)
    Syncing disks.

    # reboot

    # pvcreate /dev/vda5
    # vgcreate -s 16M stone /dev/vda5
    # pvs
    # vgs
    # vgdisplay stone
    # lvcreate -l +50 -n marvel stone
    # lvs
    # lvdisplay /dev/stone/marvel
    # mkfs.ext4 /dev/stone/marvel
    # mkdir /mnt/data
    # vim /etc/fstab
    –> append the following entry
    /dev/stone/marvel /mnt/data ext4 defaults 0 0
    –> save and exit




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