Missing blocks
Matt Dodson
Matt_Dodson at messageone.com
Mon Mar 5 22:45:27 UTC 2007
Thanks for explaining this to me.
--------------------
Matt Dodson
Infrastructure Engineer
matt_dodson at messageone.com
http://www.messageone.com
MessageOne
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-----Original Message-----
From: Jon Burgess [mailto:jburgess777 at googlemail.com]
Sent: Monday, March 05, 2007 4:40 PM
To: Matt Dodson
Cc: ext3-users at redhat.com
Subject: Re: Missing blocks
On Mon, 2007-03-05 at 16:18 -0600, Matt Dodson wrote:
> Hopefully this is a simple issue or just my ignorance on the results
> returned by "df -k" but can anyone explain why the available block is
> 0 if total 1k-blocks - Used is greater than 0?
>
>
You have 5% reserved for root use only, this is 20GB on your current
filesystem. See the -m option in 'man mke2fs' for details.
tune2fs can adjust this if the filesystem is unmounted.
> #df -k /ems/bigdisk/
>
> Filesystem 1K-blocks Used
> Available Use% Mounted on
>
> /dev/mapper/vg0-bigdisk 397367512 383562960
> 0 100% /<name>
>
> Block count: 100925440
>
> Reserved block count: 5046160
>
> Free blocks: 3174088
> Block size: 4096
Above we see 5046160 x 4096 bytes are reserved.
Jon
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