Disk updating log recording system

Details Disk updating log recording system Disk updating log recording system

1996-06-26

1998-01-06

Asta, Frank J.

Boots, shoes, and leggings

39518213, 39518218, 395489, 395618, 364DIG1, G06F 1300

Patent

active

057064709

ABSTRACT:
The present invention carries out a detailed log recording on a disk unit, while deteriorating effects on the disk updating performance are not increased even if the log recording is carried out accurately and in detail in order to prepare for an abrupt cease of the operation in a computer system. A log recording driver is arranged between an operating system in the computer system and disk driver. The log recording driver comprises a log recording table A which carries out log-record not so in detail but accurately, a log recording table B which carries out log-record in detail and a matching flag used for the log recording table B.

REFERENCES:
patent: 5524205 (1996-06-01), Lomet et al.
patent: 5636360 (1997-06-01), Courts et al.

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