Invention Grant
US07849261B2 Temperature control to reduce cascade failures in a multi-device array
有权
温度控制以减少多器件阵列中的级联故障
- Patent Title: Temperature control to reduce cascade failures in a multi-device array
- Patent Title (中): 温度控制以减少多器件阵列中的级联故障
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Application No.: US11478027Application Date: 2006-06-29
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Publication No.: US07849261B2Publication Date: 2010-12-07
- Inventor: James Edwin Pherson , Timothy E. Arnson
- Applicant: James Edwin Pherson , Timothy E. Arnson
- Applicant Address: US CA Scotts Valley
- Assignee: Seagate Technology LLC
- Current Assignee: Seagate Technology LLC
- Current Assignee Address: US CA Scotts Valley
- Agency: Fellers, Snider, et al.
- Main IPC: G06F13/00
- IPC: G06F13/00 ; G06F13/28

Abstract:
Method and apparatus for reducing a likelihood of a cascade failure in a multi-device array. The array preferably comprises a controller and a plurality of storage devices to define a memory space across which data are stored in accordance with a selected RAID configuration. The controller operates to sever an operational connection between the storage devices and a host device in relation to a detected temperature of at least one storage device of the array. Preferably, when a selected device reaches a first threshold temperature level, the controller arms for a potential shutdown. When a selected device reaches a second higher threshold temperature, the controller preferably powers down all of the devices and executes a self-reboot operation. The controller preferably monitors a temperature of the array while the devices remain powered down, after which the storage devices are powered up and data reconstruction operations take place as required.
Public/Granted literature
- US20080005469A1 Temperature control to reduce cascade failures in a multi-device array Public/Granted day:2008-01-03
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