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Altos R360 F2 FAQ (Frequently Asked Questions)
20. SAS Back-plane
1.
Does Altos R360 F2 support SAS backplane?
ANSWER:
ANSWER:
ANSWER:
ANSWER: Yes.
Feature
Feature
Feature
Feature
S
SS
SAS Backplane
AS Backplane
AS Backplane
AS Backplane
Note
Note
Note
Note
# of HDD (3.5 inch)
4
# of HDD (2.5 inch)
8
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
No
SAS Backplane Monitoring
(temperature, voltage, HDD
presence)
Yes
2.
Can Altos R360 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 R360 F2 SAS back-plane.
LED Behavior
LED Behavior
LED Behavior
LED Behavior
SAS Backplane
SAS Backplane
SAS Backplane
SAS Backplane
No
No
No
Note
te
te
te
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 R360 F2 can be installed into SAS back-plane.