51
JensenScandinavia AS All rights reserved 2011
eBOX
User Manual
Click <Report> to review the summary report
Storage Structure
What is JBOD?
JBOD is an acronym for
Just a Bunch Of Disks
or
Just a Bunch Of Drives
, and is used to refer to
two distinct concepts:
All disks being independently addressed, with no collective properties – each
physical disk, with all the logical partitions they may contain, being mapped to a
different logical volume: Just a Bunch Of Disks.
Concatenation, where all the physical disks are concatenated and presented as a
single disk.
Note that neither concept provides data redundancy.
What is RAID 0?
A RAID 0 (also known as a stripe set or striped volume) splits data evenly across two or
more disks (striped) with no parity information for redundancy. It is important to note that
RAID 0 was not one of the original RAID levels and provides no data redundancy. RAID 0 is
normally used to increase performance, although it can also be used as a way to create a
small number of large virtual disks out of a large number of small physical ones.
What is RAID 1?
A RAID 1 creates an exact copy (or mirror) of a set of data on two or more disks. This is
useful when read performance or reliability is more important than data storage capacity.
Such an array can only be as big as the smallest member disk.
Parameters
Description
RAID
If you have two internal SATA hard disk drives installed in your
eBOX, you can either select Enable to enable the RAID function or
select Disable to disable the RAID function and let the two internal
SATA hard disk drives work independently. If you only have one
internal SATA hard disk drive installed in your eBOX, you can’t
Note
: When the storage server is performing Check & Fix Disk, the hard disk drive is busy,
therefore any operations performed will be stopped.
IMPORTANT
!
Note that building a new RAID will erase all the data currently stored on the
hard disk drives. It is highly advisable to apply the RAID when the two hard disks are empty
(new).
