ZyXEL NSA-220 Manual do Utilizador descarregar pdf (Página 68)

Chapter 6 Storage Screens

NSA-220 User’s Guide

• Keep another copy of important files (preferably in another location).

6.5 Disks

Here is information on the NSA internal disks and external disks attached to the USB port(s).

6.5.1 External Disks

You may connect USB storage devices that support the following file systems to the NSA.

• Windows File Systems: NTFS (read only), FAT32 and FAT16.

If your USB storage device uses a NTFS file system, then the NSA can read files from it, but

cannot write files to it. If you want to be able to write files to that storage device, you need to

reformat it. You should back up any data on the device that you want to keep (to an internal

drive for example) and click the Storage screen’s Create an External Volume button to

reformat the external hard drive. You can then both read and write to that hard drive and

restore your data to it.

• Linux File Systems: ReiserFS, EXT2, and EXT3.

6.5.2 Disk Replacement Restrictions

See the Quick Start Guide for information on replacing disks in the NSA. When replacing a

disk in a degraded or down RAID volume, the new disk must be at least the same size or

bigger than the other disks that are already in the RAID volume, so as all data in the volume

can be restored.

For example, if you have RAID with 250 GB disks, you must put in a 250 GB or bigger disk as

a replacement in order to restore all original data in that volume. If you put a bigger disk, the

extra space on the disk will not be used.

After replacing the disk, go to the Storage > Disk page and click the Repair icon next to the

new disk.

" The NSA does not repair a disk automatically when you replace it; you must

click Repair.

6.5.3 Disk Replacement and Volume Labels

When you create a volume, the NSA writes the volume label to the disk.

" Deleting a volume removes volume label information on its disk(s). It is

recommended that you first delete a volume before removing its disk(s).

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ZyXEL NSA-220 Manual do Utilizador Página 68