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statvfs() weirdness on alpha (RH-7.2 and CentOS-4.2)




Somehow I get very strange readings from statvfs() on Alpha.

On Intel
$ python
import os
print os.statvfs('/')
(4096, 4096, 1033182L, 234938L, 182454L, 525888L, 471255L, 471255L, 0, 255)

is correct. "df" with the same blocksize shows the same values
$ df -B 4096 /
Filesystem           4K-blocks      Used Available Use% Mounted on
/dev/hdd1              1033182    798244    182454  82% /

But on Alpha
$ python
import os
print os.statvfs('/')
(1024, 1024, 738193209530565, 551989197028090, 469096328178340, 0, 0, 255, 0, 0)

that can't be right, the whole / partition is only 500 MB:
$ df -B 1024 /
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda2               497861    325987    146170  70% /

469096328178340 is not an integer multiple of 146170.


BTW, this is not a python problem, perl Filesys::Statvfs has the same issues.


Can anybody shed a light on this ?

thanks,
Bert.


--
/* Bert de Bruijn          E-mail home: bert+axp debruijn be     */
/* * *  when there was doubt, I ate it up, and spit it out   * * */

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