ioSafe Duo User Manual 31
Do not attempt to use the ioSafe Duo while the RAID is rebuilding. While the ioSafe Duo can
handle data transfers during a rebuild, if something else happens like a loss of power while
data is transferring during a RAID rebuild, there is a chance that data loss may occur.
i. Reconnect the USB cable only after the Disk Activity LEDs glow a solid green, indicating
that the RAID rebuilding process is complete.
5.3 Drive Rotation as Part of a Backup Schedule
The following directions demonstrate how to rotate drives for backup purposes.
ioSafe does not recommend using a backup rotation schedule for the ioSafe Duo, since regular
rotation of drives can wear down the waterproof seal and the drives are protected well enough
to survive the vast majority of disaster scenarios. Drive rotation should only be carried out
between lengthy intervals, if at all.
a. Shut down the ioSafe Duo.
b. Disconnect the USB cable connecting the ioSafe Duo to your computer.
c. Remove the drive from Bay 2. Refer to Section 2.1.2 for detailed instructions.
It is very important to only replace the drive located in Bay 2. After being powered off, the
ioSafe Duo will always rebuild a RAID 1 mirror from the drive located in Bay 1. Inserting a
replacement drive into Bay 1 will cause your data to be overwritten.
d. Insert the replacement drive into Bay 2.
e. Reattach the waterproof drive cover and the front cover. Refer to Section 2.1.2 for detailed
instructions.
f. Turn on the ioSafe Duo. The Disk Activity LED for Bay 2 will begin flickering red very
quickly, indicating that the RAID is rebuilding. This process may take several hours.
g. Reconnect the USB cable only after the Disk Activity LEDs glow a solid green, indicating
that the RAID rebuilding process is complete.
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