Tom Brown wrote:

Hi

this is more than likely a general linux question but on a CentOS4 box whats going on here?

# ls -al foo.txt -r--r--r-- 1 xxx xxx 1373149856 Mar 28 04:34 foo.txt

# du -sh foo.txt 808M foo.txt

any ideas ?

Sparse file. The file has holes in it:

# cd /var/log # ls -lh lastlog -r-------- 1 root root 577M Mar 29 12:52 lastlog # du -h lastlog 20K lastlog

Remember to use -S when tar'ing a file like this :-)

Mogens

On Mar 29, 2007, at 6:48, Tom Brown wrote:

this is more than likely a general linux question but on a CentOS4 box whats going on here?

# ls -al foo.txt -r--r--r-- 1 xxx xxx 1373149856 Mar 28 04:34 foo.txt

# du -sh foo.txt 808M foo.txt

This is probably a sparse file. What does a "du -sh --apparent-size" report?

Alfred

On 3/29/07, Tom Brown tom@ng23.net wrote:

Hi

this is more than likely a general linux question but on a CentOS4 box whats going on here?

# ls -al foo.txt -r--r--r-- 1 xxx xxx 1373149856 Mar 28 04:34 foo.txt

# du -sh foo.txt 808M foo.txt

any ideas ?

Well, this is definitely NOT a general Linux question unless you can show it happens on other Linux platforms.

However, I'm not seeing anything like this, but I don't have any files larger than 20Mb, either.

mhr