Adding a Linux Hard Drive by Dirk HartEmail: firstname.lastname@example.org
I was asked to configure a second IDE hard drive for a RedHat 7 Linux system.
I was at a loss as to how to describe this new drive to Linux and after half an hour I realized that the drive had been autodetected at the time of the last boot. A little research showed how IDE drives are named:
- Primary Controller First Drive: /dev/hda
- Primary Controller Second Drive: /dev/hdb
- Secondary Controller First Drive: /dev/hdc
- Secondary Controller Second Drive: /dev/hdd
Then fdisk was used to partition the drive: fdisk /dev/hdc. I seleted the old partitions and added a single linux partition, making sure the partition type was 83 (Linux).
When that was done I used mkfs to make a filesystem. Since there was just one partition it was named /dev/hdc1: mkfs /dev/hdc1.
I made a mount point: mkdir /usr0 and mounted the new filesystem: mount /dev/hdc1 /usr0. The filesystem can be unmounted using umount /usr0.
Lastly, I made an entry in /etc/fstab describing the new filesystem so it would be mounted automatically mounted at boot time. This was tested using mount all and observing that the new filesystem was indeed mounted.
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More Articles by Dirk Hart © 2012-06-29 Dirk Hart