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тАО04-19-2011 08:24 AM
тАО04-19-2011 08:24 AM
Vxfs and Intentlog
I'm trying understand what is a intentlog.
Does intentlog contains all the information of changes intended to the super block.
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тАО04-19-2011 08:52 AM
тАО04-19-2011 08:52 AM
Re: Vxfs and Intentlog
http://www.google.com/search?q=vxfs+what+is+intentlog
the first link google brings up, tells you pretty much what you need to know:
http://sfdoccentral.symantec.com/sf/5.1/aix/html/vxfs_admin/ch01s02s03s01.htm
UNIX because I majored in cryptology...
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тАО04-19-2011 08:53 AM
тАО04-19-2011 08:53 AM
Re: Vxfs and Intentlog
Go through below docs.
http://bizsupport1.austin.hp.com/bc/docs/support/SupportManual/c02057264/c02057264.pdf
Rgds...
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тАО04-19-2011 08:56 AM
тАО04-19-2011 08:56 AM
Re: Vxfs and Intentlog
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тАО04-19-2011 09:00 AM
тАО04-19-2011 09:00 AM
Re: Vxfs and Intentlog
UNIX because I majored in cryptology...
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тАО04-19-2011 11:52 PM
тАО04-19-2011 11:52 PM
Re: Vxfs and Intentlog
Pending metadata transaction is the terminology you are looking for. When your system crashes, intent log allows for "fast file system recovery" which was the major drawback of the HFS filesystem which did not maintain file system integrity after an outage.
Sometimes on an HFS filesystem, the whole data has to be recovered from tape. Vxfs or JFS where J refers to the journal or the intent log avoids such difficult situations and can be extremely useful at times of power outages. The intent log is also referred to as a "circular log".
Regards
Ismail Azad