EVS XT nano User Manual

4.3.4. Recording Capacities
Disk Storage
The maximum internal disk storage available on SAS disks, is as follows:
• 6 (5+1) x 300 GB SAS disks
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 table shows the recording capacity, in hours:
• 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%.
• for 4+1 (5 disks) and 5+1 (6 disks) raid configurations without spare disk, in 50.00 Hz
and 59.95Hz.
#
Disks
#
Disk
size
(GB)
#
Usable
disks
30Mbps 40Mbps 50Mbps 100Mbps 110Mbps 120Mbps 185Mbps
4
audios
4
audios
4
audios
8
audios
8
audios
8
audios
8
audios
5
300 4 75 58 48 23 22 19 13
6
300 5 94 73 60 29 27 20 14
18 4. Software Specifications
EVS Broadcast Equipment SA Issue 12.02.A- December 2013

EVS XT nano Specifications

General

Brand	EVS
Model	XT nano
Category	Server
Language	English