Need help with a swap file

[Glenn Dawson]

At 05:18 PM 4/27/2005, Lisa Casey wrote:
>Hi,
>
>I think I screwed up. Perhaps someone here can help me. I need more swap
>space on my FreeBSD 4.6 box. I followed the directions at
>http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/adding-swap-space.html
>for "Creating a swapfile for FreeBSD 4.X".  The example given in the
>handbook was for a 64 MG swapfile. I wanted to create a 200 MG swapfile. So
>for the command in the example that says:
># dd if=/dev/zero of=/usr/swap0 bs=1024k count=64
>I typed instead:
># dd if=/dev/zero of=/usr/swap0 bs=1024k count=200

Looks like an error on that page in the handbook.  That command produces a 
64KB file not 64MB.  Use count=200000 to get the size you want.

-Glenn

>I put  the swap file info in  rc.conf:
>
>swapfile="/usr/swap0" # aux swapfile
>
>and enabled the swap file (as per the directions) by typing
># vnconfig -e /dev/vn0b /usr/swap0 swap
>
>Before I created the new swapfile, swapinfo gave me this information:
>
>Device     1K-blocks   Used    Avail  Capacity  Type
>/dev/ad0s1b   115296   11588   103708 10%   Interleaved
>
>Now swapinfo gives me this:
>
>Device          1K-blocks     Used    Avail Capacity  Type
>/dev/ad0s1b        115296     8136   107160     7%    Interleaved
>/dev/rvn0b             72        0       72     0%    Interleaved
>Total              115368     8136   107232     7%
>
>When I look at the size of the swap0 file I created in /usr, it is not the
>200 MG I thought I was getting:
>
>-rw-------    1 root  wheel  204800 Apr 27 15:58 swap0
>
>How can I undo this and redo it? What do I need to do to do it RIGHT this
>time??
>
>Thanks,
>
>Lisa Casey
>
>
>
>
>
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