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Showing posts with label Partitions and File Systems. Show all posts
Showing posts with label Partitions and File Systems. Show all posts

Thursday, October 21, 2010

Basic Provisioning of Partitions and File Systems

Features:
1. Ability to provision extra storage on-the-fly

Steps:
1. Identify available storage
a. 'fdisk -l' - returns connected storage

2. Create partitions on desired hard drive:
a. 'fdisk /dev/sdb' - interacts with /dev/sdb drive
b. 'n' - to add a new partition
c. 'p' - primary
d. '1' - start cylinder
e. '+4096M' - to indicate 4 Gigabytes
f. 'w' - to write the changes to the disk

Note: use 'partprobe partition (/dev/sdb1)' to force a write to a hard drive's partition table on a running system

Note: 'fdisk' creates raw partitions

3. Overlay (format) the raw partition with a file system
a. mke2fs -j /dev/sdb1 - this will write inodes to partition

4. Mount the file system in the Linux file system hierarchy:
a. mkdir /home1 && mount /dev/sdb1 /home1
b. mount OR df -h - either will reveal that /dev/sdb1 is mounted

Note: lost+found directory is created for each distinct file system

5. Configure '/home1' to auto-mount when the system boots
a. nano /etc/fstab and copy and modify the '/home' entry