why doesn't "df" show a larger logical volume?

From: Robert P. J. Day (rpjday_at_mindspring.com)
Date: 10/31/04

  • Next message: Robert P. J. Day: "Re: why doesn't "df" show a larger logical volume?" 
    Date: Sun, 31 Oct 2004 15:45:09 -0500 (EST)
To: Fedora List <fedora-list@redhat.com>

      in prep for trying to install oracle on my FC2 system, i used
    "lvextend" to extend one of my logical volumes by a few gig. but when
    i mounted it again (did i have to unmount it first?), "df" showed me
    the same output as before.

      should i have expected "df" to show me a larger 1K block value? now
    "lvdisplay" shows me:

      LV Name /dev/vol0/archive
      VG Name vol0
      ...
      LV Size 14.00 GB <-- looks good

    but "df" shows me:

                          1K blocks Used Avail
    /dev/mapper/vol0-archive
                          10321208 2336136 7460784 24% /archive
                          ^^^^^^^^ ??

    so where'd my extra 4G go? and should i assume it's just going to
    show up when oracle dumps a 10G footprint on my system?

    rday 

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