Failover With Raid Cards And Multiple Hbas; Dual Host Bus Adapter; Dual Host Bus Adapter Failover - Supermicro SC216 Series User Manual

E-11 Failover with RAID Cards and Multiple HBAs
The SAS-216EL backplane may be configured for failover with multiple HBAs using
either RAID controllers or HBAs to acheive failover protection.
RAID Controllers: If RAID controllers are used, then the failover is accomplished
through port failover on the same RAID card.
HBAs: If multiple HBAs are used to achieve failover protection and load balancing,
Linux MPIO software must be installed and correctly configured to perform
the load balancing and failover tasks.

Dual Host Bus Adapter

In a dual host bus configuration, the
backplane connects to two HBA's.
Dual Host Bus Adapter
Failover
If the expander or data path in Port A
fails, the system automatically switches
to Port B. This maintains a full connec-
tion to all drives.
IMPORTANT: For RAID controllers, redundancy is achieved through port
failover. For multiple HBAs MPIO software is required to achieve failover
protection.
Appendix E SAS2-216EL1/EL2 Backplane Specifications
E-13
SAS HBA
SAS HBA
Y9
EXPDBG1
1
2
8 1 J2 4 1
WWN
MH1
BPN-SAS2-216EL
U16 Rev:1.02
MH2
DESIGNED IN USA
U326 5 10 15 20 25 28
17 16 PRI_J3
64 EC1
E
Q1
EC3
P_ICE_TCK
K
32 U320
33 48 49
R
Y
PRI_J2
Q3
AE
EC6
AH
A
A
MH4
MH3
PRI_J1
MDIOINTERFACE
Port B
S S S S S S S S S S S S S S S S S S
SILKSCREEN
UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER R R R R R R R R R R R
UNLESS OTHERWISE
PRIMARY-SIDE SPECIFIED DIMENSIONS
ARE IN INCHES
DESIGNER: Minh Hong/Max
DESIGNED BY SUPERMICRO U.S.A. TOLERANCES
www.supermicro.com REV: DECIMAL ANGLE
DATE: 12/03/2009 1.02 X .1 30
Expander 2 XX .03 MACH FINISH
SAN JOSE,CA 95131 XXX .010
PROJECT NAME: BPN-SAS2-216EL
TEL:408-503-8000 FAX:408-503-8008
Figure E-9. Dual HBA
SAS HBA
SAS HBA
Y9
EXPDBG1
1
8 1 2 J2 4 1
WWN
MH1
BPN-SAS2-216EL Rev:1.02
U16
MH2
DESIGNED IN USA
U326 5 10 15 20 25 28
16
17 64 EC1 PRI_J3
E
EC3 Q1
P_ICE_TCK K
32 U320
33 49
48
R
Y
PRI_J2
Q3
AE
EC6
AH
A
A
MH4 MH3
PRI_J1
MDIOINTERFACE
S S S S S S S S S S S S S S S S S S
Port B
UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER R R R R R R R R R R R SILKSCREEN
UNLESS OTHERWISE
PRIMARY-SIDE SPECIFIED DIMENSIONS
ARE IN INCHES
DESIGNER: Minh Hong/Max
TOLERANCES
DESIGNED BY SUPERMICRO U.S.A.
DECIMAL ANGLE
www.supermicro.com DATE: 12/03/2009 REV: 1.02
X .1 30
XX .03 MACH FINISH
SAN JOSE,CA 95131
PROJECT NAME: BPN-SAS2-216EL XXX .010
TEL:408-503-8000 FAX:408-503-8008
Expander 2
Figure E-10. Dual HBA Failover
Y9
EXPDBG1
1
8 1 2 J2 4 1
WWN
MH1
BPN-SAS2-216EL Rev:1.02
U16
MH2
DESIGNED IN USA
5 10 15 20 25 28
16 U326
17 64 EC1 PRI_J3
E
Q1
EC3
P_ICE_TCK
32 U320 K
33 49
48
R
Y
PRI_J2
Q3
AE
EC6
AH
A
A
MH4 MH3
PRI_J1
MDIOINTERFACE
Port A
S S S S S S S S S S S S S S S S S S
UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER R R R R R R R R R R R SILKSCREEN
UNLESS OTHERWISE
PRIMARY-SIDE SPECIFIED DIMENSIONS
ARE IN INCHES
DESIGNER: Minh Hong/Max
TOLERANCES
DESIGNED BY SUPERMICRO U.S.A.
DECIMAL ANGLE
www.supermicro.com DATE: 12/03/2009 REV: 1.02
X .1 30
XX .03 MACH FINISH
SAN JOSE,CA 95131
PROJECT NAME: BPN-SAS2-216EL XXX .010
TEL:408-503-8000 FAX:408-503-8008
Expander 1
Y9
EXPDBG1
1
8 1 2 J2 4 1
WWN
MH1
BPN-SAS2-216EL Rev:1.02
U16
MH2
DESIGNED IN USA
U326 5 10 15 20 25 28
16
17 64 EC1 PRI_J3
E
EC3 Q1
P_ICE_TCK K
32 U320
33 49
48
R
Y
PRI_J2
Q3
AE
EC6
AH
A
A
MH4 MH3
PRI_J1
MDIOINTERFACE
S S S S S S S S S S S S S S S S S S
UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER UPER Port A R R R R R R R R R R R SILKSCREEN
UNLESS OTHERWISE
PRIMARY-SIDE SPECIFIED DIMENSIONS
ARE IN INCHES
DESIGNER: Minh Hong/Max
TOLERANCES
DESIGNED BY SUPERMICRO U.S.A.
DECIMAL ANGLE
www.supermicro.com DATE: 12/03/2009 REV: 1.02
X .1 30
XX .03 MACH FINISH
SAN JOSE,CA 95131
PROJECT NAME: BPN-SAS2-216EL XXX .010
TEL:408-503-8000 FAX:408-503-8008
Expander 1