Re: Using flash memory for my linux installation

From: Ian Clarke <ian.a.t.hawk.freenetproject.org>
Date: Tue Aug 07 2001 - 11:31:42 EDT

Many thanks for your help and advice, but how do I format and mount the
flash card?

Ian.

On Tue, Aug 07, 2001 at 01:38:01AM -0700, Alexander Guy wrote:
> On Mon, Aug 06, 2001 at 11:32:18PM -0700, Ian Clarke wrote:
> > I have a 256MB flash card on a iPAQ on which I just installed Familiar
> > Linux. Unfortunately space seems to be rather limited, preventing me
> > from installing the QPE interface.
>
> You look like you installed the ``complete'' image.. if you want to
> use QPE, you might consider just installing ``bootstrap'' or removing
> your existing X and Python packages.
>
> > When I do a "df" I get:
> >
> > Filesystem 1k-blocks Used Available Mounted on
> > /dev/ntdblock/3 15360 14352 1008 /
> > ramfs 15468 14996 14998 /mnt/ramfs
> >
> > I should have 32MB ram and a 16MB rom on my iPAQ. I assume that this
> > has been split in two, into my root filesystem and a ramdisk.
>
> Your 16 MB of flash (minus the first couple of flash sectors; root is the
> 4th partition), is populated by a JFFS2 image. Compression (among other
> things) is handled for reads and writes on the fly.. it's your primary
> persisent storage.
>
> That mounted RAMfs is like a RAMdisk, but writes into Linux's file-system
> buffers, instead of hogging a static amount of RAM. The number you're
> seeing aloted to you is a percentage of installed RAM (e.g. 32 MB)...
>
> They are just different media.. used for different things..
>
> > My question is: Can I move part or all of the filesystem on to the
> > 256MB flash card to make more room for installing things such as QPE?
>
> Depending on constraints, you can move parts. I wouldn't recommend
> moving around anything in ``/'', but most of ``/usr'' can be relocated.
>
>
> Alexander
>

Received on Tue Aug 7 08:27:27 2001

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