[Info-vax] Request description of UFS for VMS person

glen herrmannsfeldt gah at ugcs.caltech.edu
Wed Apr 22 06:33:25 EDT 2009


JF Mezei <jfmezei.spamnot at vaxination.ca> wrote:
 
> Does this mean that "undelete" is not possible on Unix file systems
> because its logical equivalent to the entry in indexf is actually wiped
> out ?

Directory entries point to inodes, and inodes point (directly
or indirectly) to disk blocks.  If the inode isn't overwritten
you only need to point a file name to it.  One thing that fsck
traditionally does is find allocated inodes without a directory
reference and add them to the lost+found directory.  

-- glen



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