HP Mv2120 - Media Vault Network Drive User Manual page 135

This option creates a mirror or duplication of an existing disk on the HP
Media Vault.
When you save files to a mirrored disk, your files are saved to both hard
disks. The end result is that half the total amount of space is available to store
your files. For example, two 200GB drives mirrored together result in total
storage space of 200GB, not 400GB.
Note: When creating a mirror, you must use a blank hard disk that is the
same size or larger than the source disk you want to mirror.
Data on a mirrored disk is safe unless both disks fail at the same time. If one
hard disk fails, the server administers a warning. The failed hard disk should
be replaced immediately.
To create a mirror
You must insert a new internal disk that is the same size or larger than the
existing disk into your HP Media Vault prior to completing this procedure.
At the computer, click Start, All Programs, HP Media Vault, and
1
then Control Center.
On the Tools tab, click Customize HP Media Vault.
2
You are prompted for an administrator name and password if you set one
up. For additional information, see
On the Disks tab, locate the disk you want to mirror.
3
Click Add.
4
A message displays giving you the option to expand the current storage
space or to make the storage space redundant.
Click Allocate disk to make current storage mirrored
5
(protects current storage, RAID 1).
Click Accept.
6
This process may take several hours before the disk is completely
mirrored. You can continue to use the server during this time.
Note: If the expansion disk does not have enough space, the option to
create a mirror is grayed out.
Editing System Settings on page 2-26.
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