| US 7,581,137 B2 | ||
| Storage apparatus and storage apparatus power supply failure management method | ||
| Naoki Okada, Odawara (Japan); Hidehiro Nagaya, Odawara (Japan); and Shin Nakamura, Hadano (Japan) | ||
| Assigned to Hitachi, Ltd., Tokyo (Japan) | ||
| Filed on Jun. 23, 2006, as Appl. No. 11/473,032. | ||
| Claims priority of application No. 2006-114039 (JP), filed on Apr. 18, 2006. | ||
| Prior Publication US 2007/0260918 A1, Nov. 08, 2007 | ||
| Int. Cl. G06F 11/00 (2006.01) | ||
| U.S. Cl. 714—24 [714/22] | 3 Claims |
| 1. The storage apparatus, which provides a storage region to a host machine, said storage apparatus comprising at least one
data processing board, wherein
said data processing board comprises:
at least one power supply part, which supplies power to a load;
a detection part, which detects the operating state of said power supply part, and outputs a signal;
at least one or more power supply control part, which controls the operation of said power supply part based on a signal from
said detection part;
a storage part for storing monitoring results; and
an auxiliary power supply part for enabling writing information into said storage cart even when the operation of said power
supply part has been shut down, and wherein:
said power supply control part is constituted so as to monitor the operating state of said power supply part, store the results
of monitoring in said storage part, and shut down the operation of said power supply Part when a failure is detected in said
power supply part; and
said power supply control part monitors the operating state of said power supply part at regular intervals, and stores the
results of monitoring in said storage part.
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