ZyXEL Communications NAS540, User Manual

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Chapter 8 Storage Manager
Cloud Storage User’s Guide
98
Figure 57
External Storage > Format
The following table describes the labels in this screen.
8.6 Technical Reference
This section contains background on JBOD and the RAID levels used on the NAS.
JBOD
• Minimum number of disks: 1
• Total capacity: Sum of the member disks
• Advantages: Maximum storage capacity, especially for disks of mixed sizes. Flexibility (you can
add disks to the JBOD
• Disadvantages: Not as fast or reliable as RAID.
JBOD allows you to combine multiple physical disk drives into a single virtual one, so they appear
as a single large disk. JBOD can be used to turn several different-sized drives into one big drive. For
Table 30
External Storage > Format
LABEL DESCRIPTION
Volume Name Type a volume name from 1 to 31 characters.
Acceptable characters are all alphanumeric characters and " " [spaces], "_" [underscores],
and "." [periods].
The first character must be alphanumeric (A-Z 0-9).
The last character cannot be a space " ".
File System Select the file system you want the new volume to use.
Windows file systems
NTFS : Recommended.
FAT32 : Newer, and more efficient than FAT16. Supports a volume size of up to 2 TB
(Tera Bytes) and individual file sizes of up to 4 GB.
exFAT : Designed to bridge the gap between the NTFS file system and the older FAT32
file system. It is a 64-bit file system that can store files over 4 GB.
Linux file systems
EXT2 : Older file system.
EXT3 : The same as EXT2, but adds a journaled file system and is more robust.
EXT4 : Supports larger files and better performance than EXT3.
Apply Click this to save your changes and format the disk.
Cancel Click this to exit this screen without saving changes.