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10.05.A

XT2+ Series DISK RECORDER – Version 10.05 - Hardware Technical Reference

EVS Broadcast Equipment SA – July 2011

3.4.3 EXTERNAL RAID ARRAY SAS-HDX FOR XT2+ SERVER

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 XT2+ 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:

• XT2+ with SAS-HDX connector on the rear panel.

• Multicam version 10.03 or later

• 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 XT2+ 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.

EVS XT2+ User Manual

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