Hi guys,

What does this do?

jduplooy:~# df -lh
Filesystem Size Used Avail Use% Mounted on
/dev/hda2 52G 42G 7.7G 85% /
tmpfs 503M 0 503M 0% /lib/init/rw <----------- ??


jduplooy:~# ls -lha /lib/init/rw/
total 4.0K
drwxr-xr-x 2 root root 60 2007-06-05 19:03 .
drwxr-xr-x 3 root root 4.0K 2007-02-07 18:36 ..
-rw-r--r-- 1 root root 0 2007-06-05 19:03 .ramfs

Unmounting it seems to have no effect. I'm running Etch on several
machines: desktop and server, even mix of AMD64, 486, 686 and K7 stock
kernels.

Thanks
Hans


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Hans du Plooy wrote:
> Hi guys,
>
> What does this do?
>
> jduplooy:~# df -lh
> Filesystem Size Used Avail Use% Mounted on
> /dev/hda2 52G 42G 7.7G 85% /
> tmpfs 503M 0 503M 0% /lib/init/rw <----------- ??
>
>
> jduplooy:~# ls -lha /lib/init/rw/
> total 4.0K
> drwxr-xr-x 2 root root 60 2007-06-05 19:03 .
> drwxr-xr-x 3 root root 4.0K 2007-02-07 18:36 ..
> -rw-r--r-- 1 root root 0 2007-06-05 19:03 .ramfs
>
> Unmounting it seems to have no effect. I'm running Etch on several
> machines: desktop and server, even mix of AMD64, 486, 686 and K7 stock
> kernels.
>
> Thanks
> Hans
>
>

On my system, /lib/init/rw also contains a hidden directory:

drwxr-xr-x 2 root root 80 2007-06-04 16:31 .mdadm

Which contains two empty files:

-rw-r--r-- 1 root root 0 2007-06-04 16:31 md0-uevent
-rw-r--r-- 1 root root 0 2007-06-04 16:31 md1-uevent

This matches my software RAID setup.

Based on the content of two *.sh files located in /init/lib, I'd think
this is a system startup directory, used as part of the system's
initialization (initrd, etc.).

So, maybe it's OK to umount it, presuming that it's no longer used.
Then again, since I really don't know, perhaps not.

--
Bob McGowan

Hans du Plooy wrote:
> What does this do?

It is used by the initscripts. Among other things see this bug and
read the message from Henrique de Moraes Holschuh on Mon, 1 Jan 2007.

http://bugs.debian.org/cgi-bin/bugre...?bug=%23403863

Bob


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Bob Proulx wrote:
> Hans du Plooy wrote:
>> What does this do?
>
> It is used by the initscripts. Among other things see this bug and
> read the message from Henrique de Moraes Holschuh on Mon, 1 Jan 2007.
>
> http://bugs.debian.org/cgi-bin/bugre...?bug=%23403863
>
> Bob

Thanks, there's some useful info. But they mostly just argue about
where the .ramfs should be put. I'm really more interested in finding
out why it needs to be a ramfs.

Hans


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Hans du Plooy wrote:
> Bob Proulx wrote:
> > http://bugs.debian.org/cgi-bin/bugre...?bug=%23403863
> Thanks, there's some useful info. But they mostly just argue about
> where the .ramfs should be put.

Ah, well, yes.

> I'm really more interested in finding out why it needs to be a
> ramfs.

That I don't know. But if you find out I would be interesting in
knowing too.

Bob


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