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03-06-2009
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why a directory size is different on two servers?
I had a directory dir001 on server a, and its size was 1024 bytes, and below was its content.
$ ls -li total 184 30728 -rwxr-x--- 1 user1 grp1 2187 Feb 26 14:33 Exxxxxx 30729 -rwxr-x--- 1 user1 grp1 22197 Feb 26 14:33 Sxxxxxx 30730 -rwxr-x--- 1 user1 grp1 2153 Feb 26 14:33 Sxxxxxx 30733 -rwxr-x--- 1 user1 grp1 12493 Feb 26 14:33 Sxxxxxx 30734 -rwxr-x--- 1 user1 grp1 2900 Feb 26 14:33 Sxxxxxx 30732 -rwxr-x--- 1 user1 grp1 3340 Feb 26 14:33 Sxxxxxx 30736 -rwxr-x--- 1 user1 grp1 9464 Feb 26 14:33 Txxxxxx 30737 -rwxr-x--- 1 user1 grp1 2173 Feb 26 14:33 Txxxxxx 30740 -rw-r----- 1 user1 grp1 15444 Feb 27 16:38 Txxxxxx 30739 -rwxr-x--- 1 user1 grp1 2416 Feb 26 14:33 Txxxxxx then i had created its archive by tar and transfered it to server b through sftp, but this time its size was 512 bytes, and below was its content. # ls -li total 184 108550 -rwxr-x--- 1 user1 grp1 2187 Feb 26 14:33 Exxxxxx 108551 -rwxr-x--- 1 user1 grp1 22197 Feb 26 14:33 Sxxxxxx 108552 -rwxr-x--- 1 user1 grp1 2153 Feb 26 14:33 Sxxxxxx 108554 -rwxr-x--- 1 user1 grp1 12493 Feb 26 14:33 Sxxxxxx 108555 -rwxr-x--- 1 user1 grp1 2900 Feb 26 14:33 Sxxxxxx 108553 -rwxr-x--- 1 user1 grp1 3340 Feb 26 14:33 Sxxxxxx 108556 -rwxr-x--- 1 user1 grp1 9464 Feb 26 14:33 Txxxxxx 108557 -rwxr-x--- 1 user1 grp1 2173 Feb 26 14:33 Txxxxxx 108559 -rw-r----- 1 user1 grp1 15444 Feb 27 16:38 Txxxxxx 108558 -rwxr-x--- 1 user1 grp1 2416 Feb 26 14:33 Txxxxxx does anybody know the reason and how to detect? can this command istat <i-node> <file system> meet the requirement? |
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03-10-2009
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Where do you see different size?
If I take the first file: 30728 -rwxr-x--- 1 user1 grp1 2187 Feb 26 14:33 Exxxxxx And compare with: 108550 -rwxr-x--- 1 user1 grp1 2187 Feb 26 14:33 Exxxxxx To me they seem very identical indeed - or Im still sleeping... |
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03-10-2009
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Oh.
The size of a directory file has very little to do with what is actuall in the directory. That type of file just grows in size. If you remove some files - it stays the same size. So as an explanation - how about at one time the 1024 size directory had more files than it does now? When copied to another box it required 512 bytes for the new directory. |
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