
4.3.4.
Recording Capacities
Disk Storage
The disk storage, on SAS disks, can be as follows, with a total of up to 84 disks:
•
internal storage only: 6 or 12 x 300 GB or 900 GB SAS disks
•
external storage only: up to 4 arrays with 24 x 300 GB or 900 GB SAS disks, with or
without spare disks
•
both internal and external storage.
Warning
The sum of internal and external disk storage on an XT3 server cannot exceed
20 TB. This is therefore not possible to have higher recording capacities than the
ones described in the following tables.
RAID Level: 3
The video RAID uses striping process across 5 or 6 disk drives. The video and audio data
is striped over the first 4 or 5 drives while the parity information is saved on the fifth or
sixth drive.
If one drive is damaged, the video RAID can use the parity information to recover the
missing information, so that operation can continue seamlessly without bandwidth loss.
Recording Capacity Figures
The following tables show the recording capacity, in hours, for different video bitrates for:
•
1 record channel, that is 1 video + 4 stereo audio tracks in SD; 1 video + 8 stereo
audio tracks in HD.
•
With the Operational Disk Size parameter set to 100%.
•
With arrays of 300 GB disks.
Tip
The table figures should be multiplied by 3 for 900 GB disk arrays.
24
4. Software Specifications
EVS Broadcast Equipment SA
Issue 12.05.C - November 2014
Содержание XT-3
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Страница 17: ...Right View Back View HARDWARE TECHNICAL REFERENCE MANUAL XT3 Server 12 05 3 Hardware Specifications 7 ...
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Страница 100: ...Connector Layouts 90 6 Boards Description EVS Broadcast Equipment SA Issue 12 05 C November 2014 ...
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