[linux-lvm] df reporting incorrect size?
Randy Dees
randy at deesfamily.com
Mon Jul 8 16:16:01 UTC 2002
3G = approx 5% of 59G filesystem, or the reserved blocks on a standard
ext2fs filesystem.
They're right there where you expect to find them if you use a unix
filesystem.
<quote who="Ben Snyder">
> I'm a linux-lvm newbie (some limited use of IBM's LVM in AIX), and some
> use of Veritas in Solaris. So I'm doing some testing, hoping to find
> out that lvm will serve my needs and that of my employer.
>
> I've done all of my fdisks to change partition type (0x8e), vgscans,
> pvcreates, vgcreates, lvcreates, mke2fs on the lv etc, (used nice
> generic names for my testing, like vg and lv), mounted it up and get the
> following:
>
>
> mount /dev/vg/lv /test
> df -h /test
> Filesystem Size Used Avail Use% Mounted on
> /dev/spheravg/spheralv
> 59G 20k 56G 0% /test
>
>
> WTF?!?! Where'd that 3G go? Does LVM mess with things so that the OS
> cant read volumes correctly? Or is there another issue that I might be
> running into?
>
> Thanks in advance for feedback/assistance/HELP.
>
> Also, on another note, how difficult is it going to be for me to add
> another ~63G to this LV from another physical device? The whole reason
> we're looking at LVM is mainly to perform this function (one HYUGE
> filesystem over multiple devices).
>
>
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