SAS-216EL Backplane User's Guide 3-2 Failover The SAS-216EL2 backplane has two expanders which allow effective failover and recovery. Single Host Bus Adapter In a single host bus confi guration, the backplane connects to one Host Bus Adapter (HBA).
MH2 MH2 1 3 MH3 MH3 1 3 PRI_MODE1 PRI_MODE1 PRI_J3 PRI_J3 PRI_MODE1 PRI_MODE1 PRI_J3 PRI_J3 Single Host Bus Adapter Failover SAS HBA If the expander or data path in Port A fails, the system automatically switches MH1 MH1 J2 J2 C243 C243 C240 C240 C241 C241 C245 C245 C246 C246 C247 C247 C248 C248 C249 C249 C250 C250 C251 C251 C252 C252 1 2 C168 C168 C153 C153 C172 C172 C155 C155 C157 C157 C158 C158 C159 C159 C162 C162 C123 C123 C126 C126 C129 C129 C132 C132 C135 C135 C138 C138 C166 C166 C146 C146 C107 C107 C88 C88 C90 C90 C111 C111 C94 C94 C113 C113 C98 C98 C106 C106 C103 C103 C105 C105 C118 C118 C120 C120 C124 C124 C127 C127 C130 C130 C133 C133 MH2 MH2 MH1 MH1 J2 J2 C240 C240 C241 C241 C245 C245 C246 C246 C247 C247 C248 C248 C249 C249 C250 C250 C251 C251 C252 C252 1 2 C168 C168 C153 C153 C172 C172 C155 C155 C157 C157 C158 C158 C159 C159 C162 C162 C123 C123 C126 C126 C129 C129 C132 C132 C135 C135 C138 C138 C166 C166 C146 C146 C107 C107 C88 C88 C90 C90 C111 C111 C94 C94 C113 C113 C98 C98 C106 C106 C103 C103 C105 C105 C118 C118 C120 C120 C124 C124 C127 C127 C130 C130 C133 C133 MH2 MH2 to Port B.
PRI_FLASH1 PRI_FLASH1 D1 D1 C76 C76 R85 R85 C242 C242 R74 R74 R71 R71 R79 R79 R97 R97 R95 R95 C253 C253 C78 C78 R91 R91 C178 C178 R96 R96 R86 R86 C244 C244 U2 U2 R5 R5 R11 R11 R78 R78 R98 R98 R99 R99 R112 R112 C73 C73 C348 C348 R87 R87 BC2 BC2 BC1 BC1 R102 R102 R8 R8 C347 C347 C171 C171 R77 R77 R101 R101 C346 C346 R89 R89 C326 C326 R104 R104 C339 C339 C340 C340 R72 R72 Rev:1.01 Rev:1.01 BPN-SAS216EL C327 C327 R103 R103 C338 C338 R76 R76 R106 R106 R88 R88 C337 C337 R105 R105 C261 C261 PRI_SRAM1 PRI_SRAM1 R75 R75 C349 C349 R108 R108 R73 R73 C350 C350 C351 C351 RA3 RA3 C334 C334 C335 C335 C336 C336 C345 C345 C342 C342 C344 C344 C341 C341 C343 C343 L66 L66 L59 L59 L60 L60 L61 L61 L67 L67 L62 L62 L68 L68 L69 L69 L39 L39 L45 L45 L46 L46 L50 L50 L52 L52 L55 L55 L58 L58 L65 L65 L3 L3 L6 L6 L8 L8 L23 L23 PRI_EXP1 PRI_EXP1 L25 L25 L10 L10 L28 L28 L15 L15 L17 L17 L32 L32 L34 L34 L41 L41 L40 L40 L43 L43 L47 L47 L51 L51 WWN WWN BAR CODE BAR CODE PRI_J1 PRI_J1 PRI_J2 PRI_J2 PRI_FLASH1 PRI_FLASH1 D1 D1 C76 C76 R85 R85 C242 C242 R74 R74 R71 R71 C243 C243 R79 R79 R97 R97 R95 R95 C253 C253 C78 C78 R91 R91 C178 C178 R96 R96 R86 R86 C244 C244 U2 U2 R5 R5 R11 R11 R78 R78 R98 R98 R99 R99 R112 R112 C73 C73 C348 C348 R87 R87 BC2 BC2 BC1 BC1 R102 R102 R8 R8 C347 C347 C171 C171 R77 R77 R101 R101 C346 C346 R89 R89 C326 C326 R104 R104 C339 C339 C340 C340 R72 R72 Rev:1.01 Rev:1.01 BPN-SAS216EL C327 C327 R103 R103 C338 C338 R76 R76 R106 R106 R88 R88 C337 C337 R105 R105 C261 C261 PRI_SRAM1 PRI_SRAM1 R75 R75 C349 C349 R108 R108 R73 R73 C350 C350 C351 C351 RA3 RA3 C334 C334 C335 C335 C336 C336 C345 C345 C342 C342 C344 C344 C341 C341 C343 C343 L66 L66 L59 L59 L60 L60 L61 L61 L67 L67 L62 L62 L68 L68 L69 L69 L39 L39 L45 L45 L46 L46 L50 L50 L52 L52 L55 L55 L58 L58 L65 L65 L3 L3 L6 L6 L8 L8 L23 L23 PRI_EXP1 PRI_EXP1 L25 L25 L10 L10 L28 L28 L15 L15 L17 L17 L32 L32 L34 L34 L41 L41 L40 L40 L43 L43 L47 L47 L51 L51 WWN WWN BAR CODE BAR CODE PRI_J1 PRI_J1 PRI_J2 PRI_J2 MH3 MH3 MH4 MH4 1 3 PRI_MODE1 PRI_MODE1 Port A Expander 1 Port B Expander 2 PRI_J3 PRI_J3 MH3 MH3 MH4 MH4 1 3 PRI_MODE1 PRI_MODE1 PRI_J3 PRI_J3 Figure 3-4:
Single HBA Failover SAS HBA Dual Host Bus Adapter In a Dual Host Bus Confi guration, the backplane connects to two Host Bus SAS HBA Adapters (HBA).
MH1 MH1 J2 J2 D1 D1 C76 C76 R85 R85 C242 C242 R74 R74 R71 R71 C243 C243 R79 R79 R97 R97 R95 R95 C253 C253 C78 C78 R91 R91 C178 C178 C240 C240 C241 C241 R96 R96 R86 R86 C244 C244 U2 U2 R5 R5 R11 R11 R78 R78 R98 R98 R99 R99 R112 R112 C245 C245 C246 C246 C247 C247 C248 C248 C249 C249 C250 C250 C251 C251 C252 C252 C73 C73 C348 C348 R87 R87 BC2 BC2 BC1 BC1 R102 R102 R8 R8 C347 C347 C171 C171 R77 R77 R101 R101 C346 C346 R89 R89 C326 C326 R104 R104 C339 C339 C340 C340 R72 R72 C327 C327 R103 R103 C338 C338 R76 R76 R106 R106 R88 R88 C337 C337 R105 R105 1 2 R75 R75 C349 C349 R108 R108 R73 R73 C350 C350 C351 C351 RA3 RA3 C168 C168 C334 C334 C335 C335 C153 C153 C336 C336 C345 C345 C172 C172 C342 C342 C155 C155 C344 C344 C341 C341 C157 C157 C343 C343 C158 C158 L66 L66 L59 L59 C159 C159 L60 L60 C162 C162 L61 L61 L67 L67 C123 C123 L62 L62 C126 C126 L68 L68 L69 L69 C129 C129 L39 L39 C132 C132 L45 L45 L46 L46 C135 C135 L50 L50 L52 L52 C138 C138 L55 L55 C166 C166 L58 L58 L65 L65 C146 C146 L3 L3 C107 C107 C88 C88 L6 L6 L8 L8 C90 C90 C111 C111 L23 L23 PRI_EXP1 PRI_EXP1 L25 L25 C94 C94 C113 C113 L10 L10 L28 L28 C98 C98 C106 C106 L15 L15 L17 L17 C103 C103 L32 L32 C105 C105 L34 L34 C118 C118 C120 C120 L41 L41 C124 C124 L40 L40 C127 C127 L43 L43 L47 L47 C130 C130 L51 L51 C133 C133 WWN WWN BAR CODE BAR CODE PRI_J1 PRI_J1 PRI_J2 PRI_J2 MH2 MH2 MH1 MH1 J2 J2 D1 D1 C76 C76 R85 R85 C242 C242 R74 R74 R71 R71 C243 C243 R79 R79 R97 R97 R95 R95 C253 C253 C78 C78 R91 R91 C178 C178 C240 C240 C241 C241 R96 R96 R86 R86 C244 C244 U2 U2 R5 R5 R11 R11 R78 R78 R98 R98 R99 R99 R112 R112 C245 C245 C246 C246 C247 C247 C248 C248 C249 C249 C250 C250 C251 C251 C252 C252 C73 C73 C348 C348 R87 R87 BC2 BC2 BC1 BC1 R102 R102 R8 R8 C347 C347 C171 C171 R77 R77 R101 R101 C346 C346 R89 R89 C326 C326 R104 R104 C339 C339 C340 C340 R72 R72 Rev:1.01 Rev:1.01 BPN-SAS216EL C327 C327 R103 R103 C338 C338 R76 R76 R106 R106 R88 R88 C337 C337 R105 R105 1 2 R75 R75 C349 C349 R108 R108 R73 R73 C350 C350 C351 C351 RA3 RA3 C168 C168 C334 C334 C335 C335 C153 C153 C336 C336 C345 C345 C172 C172 C342 C342 C155 C155 C344 C344 C341 C341 C157 C157 C343 C343 C158 C158 L66 L66 L59 L59 C159 C159 L60 L60 C162 C162 L61 L61 L67 L67 C123 C123 L62 L62 C126 C126 L68 L68 L69 L69 C129 C129 L39 L39 C132 C132 L45 L45 L46 L46 C135 C135 L50 L50 L52 L52 C138 C138 L55 L55 C166 C166 L58 L58 L65 L65 C146 C146 L3 L3 C107 C107 C88 C88 L6 L6 L8 L8 C90 C90 C111 C111 L23 L23 PRI_EXP1 PRI_EXP1 L25 L25 C94 C94 C113 C113 L10 L10 L28 L28 C98 C98 C106 C106 L15 L15 L17 L17 C103 C103 L32 L32 C105 C105 L34 L34 C118 C118 C120 C120 L41 L41 C124 C124 L40 L40 C127 C127 L43 L43 L47 L47 C130 C130 L51 L51 C133 C133 WWN WWN BAR CODE BAR CODE PRI_J1 PRI_J1 PRI_J2 PRI_J2 MH2 MH2 MH3 MH3 MH4 MH4 PRI_FLASH1 PRI_FLASH1 1 3 PRI_MODE1 PRI_MODE1 Rev:1.01 Rev:1.01 BPN-SAS216EL C261 C261 PRI_SRAM1 PRI_SRAM1 PRI_J3 PRI_J3 MH3 MH3 MH4 MH4 PRI_FLASH1 PRI_FLASH1 1 3 PRI_MODE1 PRI_MODE1 C261 C261 PRI_SRAM1 PRI_SRAM1 PRI_J3 PRI_J3 Port A Expander 1 Port B Expander 2 Figure 3-5:
Dual HBA Dual Host Bus Adapter Failover SAS HBA If the Expander or data path in Port A SAS HBA fails, the system automatically switches to Port B.
This maintains a full connec- MH1 MH1 J2 J2 C240 C240 C241 C241 1 2 C168 C168 C153 C153 C172 C172 C155 C155 C157 C157 C158 C158 C159 C159 C162 C162 C123 C123 C126 C126 C129 C129 C132 C132 C135 C135 C138 C138 C166 C166 C146 C146 C107 C107 C88 C88 C90 C90 C111 C111 C94 C94 C113 C113 C98 C98 C106 C106 C103 C103 C105 C105 C118 C118 C120 C120 C124 C124 C127 C127 C130 C130 C133 C133 MH2 MH2 MH1 MH1 J2 J2 C243 C243 C240 C240 C241 C241 C245 C245 C246 C246 C247 C247 C248 C248 C249 C249 C250 C250 C251 C251 C252 C252 1 2 C168 C168 C153 C153 C172 C172 C155 C155 C157 C157 C158 C158 C159 C159 C162 C162 C123 C123 C126 C126 C129 C129 C132 C132 C135 C135 C138 C138 C166 C166 C146 C146 C107 C107 C88 C88 C90 C90 C111 C111 C94 C94 C113 C113 C98 C98 C106 C106 C103 C103 C105 C105 C118 C118 C120 C120 C124 C124 C127 C127 C130 C130 C133 C133 MH2 MH2 tion to all drives.
PRI_FLASH1 PRI_FLASH1 D1 D1 C76 C76 R85 R85 C242 C242 R74 R74 R71 R71 C243 C243 R79 R79 R97 R97 R95 R95 C253 C253 C78 C78 R91 R91 C178 C178 R96 R96 R86 R86 C244 C244 U2 U2 R5 R5 R11 R11 R78 R78 R98 R98 R99 R99 R112 R112 C245 C245 C246 C246 C247 C247 C248 C248 C249 C249 C250 C250 C251 C251 C252 C252 C73 C73 C348 C348 R87 R87 BC2 BC2 BC1 BC1 R102 R102 R8 R8 C347 C347 C171 C171 R77 R77 R101 R101 C346 C346 R89 R89 C326 C326 R104 R104 C339 C339 C340 C340 R72 R72 Rev:1.01 Rev:1.01 BPN-SAS216EL C327 C327 R103 R103 C338 C338 R76 R76 R106 R106 R88 R88 C337 C337 R105 R105 C261 C261 PRI_SRAM1 PRI_SRAM1 R75 R75 C349 C349 R108 R108 R73 R73 C350 C350 C351 C351 RA3 RA3 C334 C334 C335 C335 C336 C336 C345 C345 C342 C342 C344 C344 C341 C341 C343 C343 L66 L66 L59 L59 L60 L60 L61 L61 L67 L67 L62 L62 L68 L68 L69 L69 L39 L39 L45 L45 L46 L46 L50 L50 L52 L52 L55 L55 L58 L58 L65 L65 L3 L3 L6 L6 L8 L8 L23 L23 PRI_EXP1 PRI_EXP1 L25 L25 L10 L10 L28 L28 L15 L15 L17 L17 L32 L32 L34 L34 L41 L41 L40 L40 L43 L43 L47 L47 L51 L51 WWN WWN BAR CODE BAR CODE PRI_J1 PRI_J1 PRI_J2 PRI_J2 MH3 MH3 MH4 MH4 PRI_FLASH1 PRI_FLASH1 D1 D1 C76 C76 R85 R85 C242 C242 R74 R74 R71 R71 R79 R79 R97 R97 R95 R95 C253 C253 C78 C78 R91 R91 C178 C178 R96 R96 R86 R86 C244 C244 U2 U2 R5 R5 R11 R11 R78 R78 R98 R98 R99 R99 R112 R112 C73 C73 C348 C348 R87 R87 BC2 BC2 BC1 BC1 R102 R102 R8 R8 C347 C347 C171 C171 R77 R77 R101 R101 C346 C346 R89 R89 C326 C326 R104 R104 C339 C339 C340 C340 R72 R72 Rev:1.01 Rev:1.01 BPN-SAS216EL C327 C327 R103 R103 C338 C338 R76 R76 R106 R106 R88 R88 C337 C337 R105 R105 C261 C261 PRI_SRAM1 PRI_SRAM1 R75 R75 C349 C349 R108 R108 R73 R73 C350 C350 C351 C351 RA3 RA3 C334 C334 C335 C335 C336 C336 C345 C345 C342 C342 C344 C344 C341 C341 C343 C343 L66 L66 L59 L59 L60 L60 L61 L61 L67 L67 L62 L62 L68 L68 L69 L69 L39 L39 L45 L45 L46 L46 L50 L50 L52 L52 L55 L55 L58 L58 L65 L65 L3 L3 L6 L6 L8 L8 L23 L23 PRI_EXP1 PRI_EXP1 L25 L25 L10 L10 L28 L28 L15 L15 L17 L17 L32 L32 L34 L34 L41 L41 L40 L40 L43 L43 L47 L47 L51 L51 WWN WWN BAR CODE BAR CODE PRI_J1 PRI_J1 PRI_J2 PRI_J2 MH3 MH3 MH4 MH4 1 3 PRI_MODE1 PRI_MODE1 Port A Expander 1 Port B Expander 2 PRI_J3 PRI_J3 1 3 PRI_MODE1 PRI_MODE1 PRI_J3 PRI_J3 Figure 3-6:
Dual HBA Failover 3-2 SAS HBA MH1J2 D1C76C2C42243C253 CC 12 74 81C UR2 12R4 1C 142 15 22C B2 RC4 515C251C250 BC P240 NC -24 S9 AC2 S1 42 6 2C 124 68 ReEC v2 L4 :17 .01 PRI_EXP1 PPRRII__JJ12 MH2 MH1J2 D1C76C2C42243C253 CC 12 74 81C UR2 12R4 1C 142 15 22C B2 RC4 515C251C250 BC P240 NC -24 S9 AC2 S1 42 6 2C 124 68 ReEC v2 L4 :17 .01 PRI_EXP1 PPRRII__JJ12 71387R1B8C2C261PRI_SRAM1BAR CC707 C42 CC2336 6789 90125 39560258 6666 56666 C3445555 LLLL3 LLLLL LLLLLLL L 13701 12345456 35824 4057 4 954445 44444333 22233 68111 L 7 LLLLLLLLL LLL 79 33333333 5N R7LL 8 8 RR67 9 8CCCCCCCC 896 89401 4 R43 334 3R355 3 R 3333 CC33 CCCCC CC 124568W 3 90000 76258 100 6177 893 03 81111 97778 911 799778 7 1A RRRRR RRRRR RRR RRRRR RR RR 578926W 586 363 35 2170 92 3836 5555668047 334 223 800 71003 23 561480 1111111222 111 111 811 11911 11 111991 CCCCCC1111 CCC CCC CCC CCCCC CC CCCCCC CCCC 71387R1B8C2C261PRI_SRAM1BAR CC707 C42 CC2336 6789 90125 39560258 6666 56666 C3445555 LLLL3 LLLLL LLLLLLL L 13701 12345456 35824 4057 4 954445 44444333 22233 68111 L 7 LLLLLLLLL LLL 79 33333333 5N R7LL 8 8 RR67 9 8CCCCCCCC 896 89401 4 R43 334 3R355 3 R 3333 CC33 CCCCC CC 124568W 3 90000 76258 100 6177 893 03 81111 97778 911 799778 7 1A RRRRR RRRRR RRR RRRRR RR RR 578926W 586 363 35 2170 92 3836 5555668047 334 223 00 710803 23 561480 1111111222 111 111 11 119811 11 111991 CCCCCC1111 CCC CCC CCC CCCCC CC CCCCCC CCCC MH4 MH3 MH4 PRI_FLASH1 CODE PRI_FLASH1 CO MH1J2 12 D1C76C2C42243C253 CC 12 74 81C UR2 12R4 1C 142 15 22C B2 RC4 515C251C250 BC P240 NC -24 S9 AC2 S46 2C 124 68 ReEC v2 L4 :17 .01 PRI_EXP1 71387R1B8C2C261PRI_SRAM1 CC707 C42 CC2336 6789 90125 39560258 6666 56666 C3445555 LLLL3 LLLLL LLLLLLL 12345456L 35824 954057 44444333 22233 768111 LLLLL LLL 79 533333333 R7LL 8 8 RR67 9 8CCCCCCCC 896 89401 4 R43 334 3R355 3 R 3333 CC33 CCCCC 124568CC 3 90000 76258 100 6177 893 03 81111 97778 911 799778 7 1A RRRRR RRRRR RRR RRRRR RR RR 578926 36586 21735 92 3836 5555668 22334 7100800 23 561480 1111111 11111 1191811 11 111991 CCCCCC1 CCCCC CCCCCCC CC CCCCCC C PRI_FLASH1 MH4 PN-SAS216ReEvL:1.01 PRI_EXP1 PPRRII__JJ12 C261PRI_SRAM1BAR 6789 90125 66669560258 56666 3445555 LLLL3 LLLLL LLLLLLL L 13701 12345456 35824 057 4 444443334445 22233 68111 LLLLLLLLLL LLL 33333333 97LLN 8CCCCCCCC 34301 33355 CCC33 CC W CO Port Expan B der 2 E Port A xpander 1 Figure 3-3:
Single HBA