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Revision 1.1.1.1 (vendor branch), Wed Mar 29 22:34:40 2000 UTC (17 years, 7 months ago) by n8994
Branch: SGI_FW, MAIN
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Initial checkin

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 <TITLE>XFS Log technology</TITLE> 
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<P>Slide 10 of 38</P>
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<!-- <UL>
<H2>XFS Log technology</H2>
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<P><UL>
<LI><H2>transaction: collection of meta-data changes
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<LI> single, logical file system operation.
<LI> After each transaction, the FS is consistent.
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<LI><H2>ACID: atomicity, consistency, isolation, durability.
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<LI><H2>log: ordered collection of transactions (circular list)
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<LI><H2>Write ahead log (save transaction, then meta-data)
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<LI><H2>recovery fast, just replay log (fix meta-data)</H2>
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