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Quote: write changes of the file name table and leader pages to a redo log; recovery in about two seconds; log entry format
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Topic:
updating information in a distributed system
Topic:
file system reliability
Topic:
log-structured file system
Quotation Skeleton
Changes to the file name table [contains all directory information] and leader pages [contains additional check information] are written to a log. … Logging makes atomic update easy, delays some updates, … it is effective for the metadata [such as directory information]. … [p. 158] It logs physical pages and is a … [Gray 1979] … crashes. … [p. 158] [A log entry consists of a header sector, data sectors, and a end sector. Multiple updates are logged together in one entry every half second. Two copies of each log entry are written so that the duplicated data does not appear on adjacent sectors.] … [p. 160] Recovery [of the file name table and leaders] rarely takes more than two … Google-1 Google-2
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Topic: updating information in a distributed system (50 items)
Topic: file system reliability (26 items)
Topic: log-structured file system (11 items)