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Generated January 22, 2018

Managing disk drive replacements on mulitidisk headless appliances

Patent Number: 6,845,466

Patent Information

Abstract
A headless computer entity having a plurality of disk drives operates to self restore to a known state, upon failure of either a system disk drive containing an operating system of the computer entity, or failure of a data disk drive containing application data. Depending upon whether the system disk and/or the data disk are replaced by a replacement disk, the computer entity configures itself with either deletion of application data on the data disk, or with deletion of application data on both the system disk and the data disk. The computer entity determines whether a new replacement disk has been installed by comparing a signature of the system disk with a signature of the data disk. If a replacement disk is detected, then the digital signatures are set by the computer entity such that the system disk and data disk have a self consistent set of hardware specific digital signatures. Application data is returned to a known good state after deletion.
Patent Number: 6,845,466
Issue Date: 2005-01-18

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Citations

Patents cited by this patent

Patent Title
6,681,323 METHOD AND SYSTEM FOR AUTOMATICALLY INSTALLING AN INITIAL SOFTWARE CONFIGURATION INCLUDING AN OPERATING SYSTEM MODULE FROM A LIBRARY CONTAINING AT LEAST TWO OPERATING SYSTEM MODULES BASED ON RETRIEVED COMPUTER IDENTIFICATION DATA
6,665,786 Dynamic disk partition management
6,665,771 Intra-disk swapping of data storage volumes
6,662,318 Timely error data acquistion
6,598,174 Method and apparatus for storage unit replacement in non-redundant array
6,553,387 LOGICAL VOLUME CONFIGURATION DATA MANAGEMENT DETERMINES WHETHER TO EXPOSE THE LOGICAL VOLUME ON-LINE, OFF-LINE REQUEST BASED ON COMPARISON OF VOLUME EPOCH NUMBERS ON EACH EXTENTS OF THE VOLUME IDENTIFIERS
6,487,623 Replacement, upgrade and/or addition of hot-pluggable components in a computer system
6,425,049 Disk array system and method of changing the configuration of the disk array system
6,351,850 Computer operating system installation
6,266,740 Device sequencing and placement protection using a digital signature
5,751,936 Checking for proper locations of storage devices in a storage device array

Patents that cite this patent

Patent Title
7,831,769 System and method for performing online backup and restore of volume configuration information
7,707,551 Cross-platform software development with a software development peripheral
7,500,052 Quick drive replacement detection on a live RAID system
7,313,725 Replacement restoration disk drive and method
7,281,159 Managing disk drive replacements on multidisk headless appliances
7,146,525 Method for backing up and recovering data in the hard disk of a computer
6,978,439 Cross-platform software development with a software development peripheral

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