DOI 10.17586/0021-3454-2016-59-12-975-979
UDC 004.6
ASSESSING THE RELIABILITY OF COMPUTER SYSTEM WITH THE ACCOUNT FOR PHASED RECOVERY OF THE EQUIPMENT AND INFORMATION
ITMO University, Saint Petersburg, 197101, Russian federation; Saint Petersburg State University of Aerospace Instrumentation, Saint Petersburg, 190000, Russian Federation; Professor; Professor
S. V. Bogatyrev
ITMO University, Saint Petersburg, 197101, Russian Federation; Yadro Cloud Storage Development Center, Saint Petersburg, 195027, Russian Federation; PhD Student; Consulting Engineer
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Abstract. Models of computer system use for the system reliability assessment are proposed. The models account for a single-stage procedure of processor equipment recovery and a two-stage reconstruction procedure of memory subsystem: first the hardware and then codes and data. The restoration of software and data, followed by entering relevant information in recovered memory, is realized under control of the processor and therefore may be accompanied by equipment failures, the CPU as well as the memory; during the equipment recovering held at the idle computer, any failures are excluded.
Keywords: computer, preparedness, failure, recovery equipment, data recovery
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