Hi List,

I have here following.

OS = SL4 / 64

135 GB Disk space, free space 123 GB



What a gr8 file this is /var/log/lastlog = 1254130 MB


I found that (bug or goody ? )


#-#-#
"It's a "sparse file", meaning it doesn't really occupy this much space
on the disk. 
Per Bill Nottingham at Red Hat when we filed this as a
bugzilla, it's "working as designed". /var/log/lastlog is defined as
a sparse file of fixed-size hunks of data, indexed based on user ID.
Now, the "nobody" NFS ID is approximately (0xFFFFFFFF - 1), yielding a
very large offset into this file."
"RedHat does not think this is a bug, but it is a real problem that not all 
backup and disk imaging solutions are aware of sparse files."
"A file is sparse if it contains blocks of zeros whose existence is
recorded, but that have no space allocated on disk."
#-#-#-#


thx

Stefan

Administrator IT


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