3.4.3 EXTERNAL RAID ARRAY SAS-HDX FOR XT3 SERVERS
The SAS-HDX is a 2RU external disk storage containing up to 24 hot-swappable
SAS disks, with a minimum of 5 disks. External storage can be used with or
without internal storage.
It is connected to the XT3 server via a dedicated SAS cable on the rear panel of
the server, provided that the X-ESAS connection module has been placed inside
the server.
Necessary equipment:
• XT3 with SAS-HDX connector on the rear panel.
• Multicam version 10.05 or higher
• SAS-HDX external disk storage
LEDS ON EXTERNAL ARRAY
For each disk, a blue LED and a red LED are present.
Disk LEDs
Blue Led Red Led
Off On
(steady)
Defect drive – must be replaced.
Blinking Off Connected, disk being written to / read from.
On (steady) Off Connected, disk not currently written to / read from.
On (steady) On, slowly
blinking
Spare disk - the corresponding disk is started and used
in the RAID array.
Off Off The corresponding disk is not present.
Note on Disk LEDs Activity
When starting from a clean disk array (after a “Clear Video Disks” from
the EVS maintenance menu), the XT3 server is recording first on RAID
#0 until this one is full, then on RAID #1 and finally on RAID #2. It is
therefore normal to see activity only on some disks depending on how
much material (clips and record trains) is stored on the server.
SOUND ALERT ON EXTERNAL ARRAY
When a fan or a power supply unit has failed on an external array, a sound alert is
given and can be stopped by pressing the Mute button on the array.
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