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Re: df output



Adam Hardy on 17/05/09 22:44, wrote:
Javier Barroso on 17/05/09 20:48, wrote:
 >>>> I get this output:
 >>>>
 >>>> Filesystem            Size  Used Avail Use% Mounted on
 >>>> /dev/hda1             9.2G  2.8G  6.0G  33% /
 >>>> tmpfs                 126M     0  126M   0% /lib/init/rw
 >>>> udev                   10M   64K   10M   1% /dev
 >>>> tmpfs                 126M     0  126M   0% /dev/shm
 >>>> /dev/hda6              26G  173M   25G   1% /data1
 >>>> /dev/hdb1             688G  663G     0 100% /data2
 >
>>>> hdb1 is causing concern. I unmounted and remounted it without noticeable
 >>>> effect - anyone know what I've done wrong and how I can sort it out?
 >
 > Ok, now I'm thinking about reserved block from filesystem is causing
 > this issue to you.
 >
 > To verify this:
 >
 > # tune2fs -l /dev/hdb1
 > ...
 > Reserved block count: xxxx
 > Block size: yyyy
 >
 > is xxxx * yyyy == 1024*1024*1024 *(688 - 663) ??
 >
 > See -m flag in mkfs.ext3 [1] for the meaning of this
 >
 > Regards,
> [1] http://manpages.debian.net/cgi-bin/man.cgi?query=mkfs.ext3&apropos=0&sektion=0&manpath=Debian+Sid&format=html&locale=en
 >

Reserved block count:     9157150
Block size:               4096

x * y = 37.508x10^9

Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/hdb1            721075720 694171948         0 100% /data2

1024 * (721,075,720 - 694,171,948) = 27.549x10^9

Looks to me as if there's something else going on as well as that then.

No, sorry, I mixed it up. There should be more reserved than that difference, so that looks like a very good reason why there's none available.

Thanks.
Adam


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