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Hardware
120
Below shows the samples of redundant configuration.
1) N+1 redundant configuration
Power Supply 1
Power Supply 2
N+1
Redundant
PSU1 PSU2 PSU3 PSU4
Note
N=1 2
PSUs
Used
Used
*1
N=2 3
PSUs
Used Used Used
*2
N=3 4
PSUs
Used Used Used Used *3
PSU: Power Supply Unit
*1 : Operation can be continued even if PSU1 fails or Power Supply1 has outage.
Operation can be continued even if PSU3 fails or Power Supply2 has outage.
*2 : Operation can be continued even if PSU1 fails, PSU2 fails,PSU3 fails or Power Supply2 has
outage.
*3 : Operation can be continued even if PSU1 fails, PSU2 fails,PSU3 fails or PSU4 fails.
2) 2N redundant configuration
Power Supply 1
Power Supply 2
2N
Redundant
PSU1 PSU2 PSU3 PSU4
Note
N=1 2
PSUs
Used
Used
*4
N=2 4
PSUs
Used Used Used Used *5
*4: Operation can be continued even if PSU1 fails or Power Supply1 has outage.
Operation can be continued even if PSU3 fails or Power Supply2 has outage.
*5 : Operation can be continued even if PSU1 fails,PSU2 fails or Power Supply1 has outage.
Operation can be continued even if PSU3 fails,PSU4 fails or Power Supply2 has outage.
Summary of Contents for Express5800/A1080a
Page 87: ...87 Memo ...
Page 292: ...Hardware 292 3 BIOS Menu screen is displayed ...
Page 302: ...Hardware 302 Note 1 Enable is set only for slot 1 and slot 14 at factory shipment ...
Page 351: ...Hardware 351 3 BIOS will start Select Save Exit then press Enter ...
Page 442: ...Hardware 442 5 6 ...
Page 473: ...Hardware 473 Screen for changing keyboard layout in Java Console ...
Page 554: ...Hardware 554 Memo ...
Page 565: ...Software 565 Memo ...
Page 668: ...Operation and Maintenance 668 Memo ...
Page 696: ...XXVIII Memo ...