System information

53
Altos R380 F2 FAQ (Frequently Asked Questions)
20. SAS Back-plane
1. Does Altos R380 F2 support SAS backplane?
ANSWER:
ANSWER:ANSWER:
ANSWER: Yes.
Feature
FeatureFeature
Feature SAS Backplane
SAS BackplaneSAS Backplane
SAS Backplane Note
NoteNote
Note
# of HDD (3.5 inch) 8/12
# of HDD (2.5 inch) 8/12/16/24 1
SATA HDD Support Yes
SAS HDD Support Yes
SAS BP LED Control Yes
SGPIO Yes
Backplane Connector (to
the Disk/RAID controller)
Mini SAS 4i
(SFF-8087)
SAS Expander Optional
SAS Backplane Monitoring
(temperature, voltage, HDD
presence)
Yes
2. Can Altos R380 F2 SAS backplane support the back-plane LED management?
ANSWER:
ANSWER:ANSWER:
ANSWER: Yes, Please also refer to below table about the LED behavior of Altos R380 F2 SAS back-plane.
LED Behavior
LED BehaviorLED Behavior
LED Behavior SAS Backplane
SAS BackplaneSAS Backplane
SAS Backplane Note
NoteNote
Note
HDD Access
Driven by PIN 11 of SAS or
SATA HDD
1
HDD Failure
Driven by SGPIO (from
SAS RAID controller)
RAID Rebuilt
Driven by SGPIO (from
SAS RAID controller)
NOTE. The PIN 11 (P11) of SATA HDD must support HDD activity indication signal (defined in Serial ATA II
revision 1.2: Extensions to Serial ATA 1.0a).
http://www.ihdd.ru/download/documentation/Serial-ATA/Extensions%20to%20Serial%20ATA,%20Revision
%201.2.pdf
3. Do I need to install specific model of SAS or SATA HDD on SAS back-plane for supporting hot-swap feature?
ANSWER:
ANSWER:ANSWER:
ANSWER: No, all the SAS or SATA HDD supported by Altos R380 F2 can be installed into SAS back-plane.