Wednesday, April 29, 2009

How to aad a new disk in linux

Getting Started:
  1. Check to see how many drives are installed: You can do this using the fdisk command.


    [root@default]# fdisk -l | grep '^Disk'

    You should output similar to the following:


    Disk /dev/sda: 251.0 GB, 251000193024 bytes
    Disk /dev/sdb: 251.0 GB, 251000193024 bytes

    A device name refers to the entire hard disk. For more information see Linux partition naming convention and IDE drive mappings .
    To partition the disk - /dev/sdb, enter:


    [root@default]# fdisk /dev/sdb
    The basic fdisk commands you need are:
    • m - print help

    • p - print the partition table

    • n - create a new partition

    • d - delete a partition

    • q - quit without saving changes

    • w - write the new partition table and exit

  2. Format the new disk using mkfs.ext3 command:

    To format Linux partions using ext2fs on the new disk, issue the following command:


    [root@default]#mkfs.ext3 /dev/sdb1

  3. Mount the new disk using the mount command:

    First, you'll need to create a mount point. We'll use /disk1. This is where we'll mount /dev/sdb1. Enter the following commands:


    [root@default]# mkdir /disk1
    [root@default]# mount /dev/sdb1 /disk1



  4. Edit /etc/fstab so the new drive will automatically mount to /disk1 on reboot

    This step can be complicated, if you need assistance at this step, please call Dedicated Server Support at: 877-275-8763


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