Disk capacity, Old disks, Raid master: connection restriction – Oyen Digital DATATALE RS-M2QJ 2-BAY RAID User Manual
Page 44: Rebuild

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drive. There are actually two different numbering systems used to express
Systems of storage capacity:
Binary, which says that a kilobyte is equal to 1024 bytes; and
Decimal, which says that a kilobyte is equal to 1000 bytes.
Most commonly used to display storage capacity is in Decimal. The surprising
fact is that even though it seems like you will have more bytes under Binary, the
Decimal calculation system actually presents a greater storage capacity. More
description on capacity issues can be found at the Seagate website under FAQs.
http://www.seagate.com/ww/v/index.jsp?locale=en-
US&name=Storage_Capacity_Measurement_Standards_-
_Seagate_Technology&vgnextoid=9493781e73d5d010VgnVCM100000dd04090aRCRD
Disk Capacity
Q:
I would like to format my hard drives with the FAT (a.k.a. File Allocation Table)
format, which can be read and written by both Mac and PC. Is there any
limitation on its capacity?
A:
Yes, please check the table below for reference.
File
System
NTFS
FAT32
FAT (Format by
Win2000 / WinXP)
FAT16
Capacity
Limitation
Vista:16384TB
XP: 2TB
Windows: 32GB
Mac: 2TB
4GB 2GB
Old Disks
Q:
My old hard disk(s) have data inside. Will the stored data still be recognizable
if I just install them into the RAID System?
A:
Please backup all existing data from the old hard disk(s) before installing them
into the RAID Unit. Once the old hard disk(s) are inserted and setup for a
chosen RAID mode, the RAID MASTER will automatically re-format the disks
and all the old data will be lost.
RAID MASTER: Connection Restriction
Q:
Is there any connection restrictions for the RAID MASTER?
A:
Yes, the RAID MASTER can only be installed and operated via USB 2.0,
FireWire 400, or FireWire 800. If you choose to use eSATA for data transferring
or accessing, please set up the RAID configuration via USB or FireWire first.
Rebuild
Q:
Does the RAID Unit have to be connected to the host computer when it is in
rebuild mode?
A:
No, it does not have to be, only in the beginning. The RAID System can
support offline rebuild; meaning that once the rebuild process has been started
via USB or FireWire connection with RAID MASTER, the connection to the host
computer can be disconnect and the rebuild process will still continue on its own.