# User's Guide |

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# Adding an Internal Hard Drive

The HP Media Vault’s primary system hard disk uses the Serial ATA (SATA) interface. The internal expansion bay accommodates a second SATA disk. (The server does not support adding Integrated Drive Electronics (IDE) disks.)

| Note
| You should not remove or add a hard disk to the server while it is powered on and running.

| To add a hard drive to an expansion bay

1. Press the power button on the back of the Media Vault for about five seconds and release it to turn off the server.
2. Open the door on the front of the Media Vault.

3. Press the lever to unlock the handle.

4. Lift the handle all the way up.

5. Gently pull the hard-drive tray from the expansion bay.

6. Fold down the flap near the back of the hard-drive tray.

| Note
| This flap improves air flow through the server. If you remove a drive, be sure to fold this flap back up.

7. Insert the new drive into the left side of the hard-drive tray, making sure that the pins go into the hard drive’s mounting holes.

8. Flex the right side-rail, and then insert the pins into the hard drive’s mounting holes.

9. With the handle up, slide the hard-drive tray and drive into the expansion bay.

10. Press down on the handle on the hard-drive tray until it locks.

11. Close the door on the front of the server.

12. Press the power button on the back of the Media Vault to turn it on.
13. Notice that within a few seconds the light-bar for the new hard drive turns purple .
14. This indicates that the hard drive has been installed, but has not been initialized.

| To add a hard drive to total storage

1. At the computer, click Start, All Programs, HP Media Vault, and then Control Center.
2. On the Tools tab, click Customize HP Media Vault.
3. You are prompted for an administrator name and password if you set one up. For additional information, see Editing System Settings.
4. On the Disks tab, locate the internal disk you want to add.
5. Click Add.
6. Select an option for allocating the disk space.

| Caution
| It is important to select the storage space allocation option with care. Changing how the storage space is allocated later may require you to transfer all of the files to a separate device and reformat the drives.

- Allocate disk to make current storage mirrored (protects current storage, RAID 1) - adds the internal drive as mirrored storage space.
- The type of mirroring supported on the Media Vault is called Redundant Array of Independent Disks (RAID) RAID-1.
- In RAID-1 mirroring, an identical copy of data written to one hard disk is written to a second hard disk. Mirroring disks reduces your total hard disk storage capacity by half. The advantage is that if one hard disk fails, you have a copy of your data on the second hard disk.
- Allocate disk to expand current storage (increases current storage) - combines the available space from the system drive and the internal hard drive to make one large logical disk. The drive space is not mirrored. If a non-mirrored drive fails, the files stored on the failed drive are lost. If a drive is removed from the HP Media Vault, the system is not operational until the drive is replaced.

7. Click Accept.

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