User guide

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Configuring the RAID Using Dipswitches
Resetting the RAID
NOTE: This procedure destroys all RAID data. It should not harm individual
drives or their contents; however, creating backups of all data is strongly
recommended before proceeding.
Be sure the port multiplier is connected to an active host before proceeding. The
port multiplier will not complete the process if it has no host connection.
1. Power down the unit and set the dip switch to the desired RAID Mode.
2. While holding the SET button, turn the unit on. A long beep will sound from
the Port Multiplier. The SET button may be released once the long beep starts.
Shortly after releasing the SET button, the port multiplier should “chirp” to
indicate the process is complete. If instead of a chirp the Port Multiplier sounds
a series of short beeps, an error has occurred during the process.
Setting or Modifying the RAID Mode
NOTE: Setting or modifying the RAID mode destroys all data.
Be sure the port multiplier is connected to an active host before proceeding. The
port multiplier will not complete the process if it has no host connection.
1. Follow the procedure for resetting the RAID Mode.
2. Power down the unit and set the dip switch to the desired RAID Mode.
3. While holding the SET button with a ballpoint pen, turn the unit on. A long
beep will sound from the Port Multiplier. The SET button may be released once
the long beep starts.
Shortly afterward, the port multiplier should “chirp” to indicate the process is
complete. If instead of a chirp the Port Multiplier sounds a series of short beeps,
an error has occurred during configuration of the array.
BZS Switch (SW1:1):
The BZS switch is used to silence the audible alarm buzzer. The OFF position
permits the audible alarm, and the ON position silences the audible alarm. The
BZS switch has immediate effect.
EZ Switch (SW1:2):
The EZ (spare) switch inhibits spares when ON. When in the OFF position, all
individual drives (not defined as members of an array) are considered spare and
are not offered to the operating system. Should a RAID become degraded,
when the EZ switch is in the OFF position a spare drive will be used
automatically to rebuild the RAID, if present. EZ mode is determined when the
unit is powered up. Changing the switch will have no effect until the unit has
been re-powered.
Warning: turning off the EZ switch to rebuild an array will consider any
drives not declared array members to be eligible for rebuild as a spare.
Rebuilding will destroy all existing data on that drive and the drive chosen
is not predictable. Disconnect any individual drives with valuable data on
them before enabling EZ Mode.