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domain shortname name status editor contributors
github.com
14/HW
LDR1 Hardware
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Maksym Medvied <max.medved@seagate.com>
Valery V. Vorotyntsev <valery.vorotyntsev@seagate.com>

LDR1 Hardware

Component Subcomponent Number of units Part of LDR1 Can lose power Can be replaced after failure SSPL Monitors Is FRU?
TOR switch for data 1 No Yes ? No ?
Port 2 No No No No ?
50GbE cable 2 ? No Yes No ?
TOR switch for management 1 No Yes ? No ?
Port 2 No No No No ?
Network cable 2 ? No Yes No ?
LDR1 server 2 Yes Yes Yes No ?
CPU 4 Yes Yes No No No
RAM ? Yes Yes No No No
HDD ? Yes Yes Yes ? ?
NIC for data 2 Yes Yes ? No No
NIC for data: 50GbE port 4 Yes No ? No ?
NIC for management 2 Yes Yes ? No No
NIC for management: port 2 Yes No ? No ?
Cross-server 50GbE cable 1 Yes No ? ? ?
BMC 2 Yes Yes No No ?
BMC network cable ? Yes No No No ?
SAS HBA 2 Yes Yes No No No
SAS x2 cable 8 Yes No No No ?
PSUs ? ? ? ? ? ?
Fans ? ? ? ? ? ?
Storage Enclosure 1 Yes Yes No Yes ?
Controller 2 Yes Yes Yes Yes ?
Disk 84 Yes Yes Yes Yes ?
Fan modules 3 Yes Yes Yes Yes ?
PSUs 2 Yes Yes Yes Yes ?
Sideplan expanders 2 Yes Yes Yes Yes ?
SAS ports 8 Yes ? No No ?

See also

  • "The New Direct-Connect Reference Architecture.." e-mail thread.
  • EOS HW HA Redux slides.