Re: What does this mean?

[Oleg Drokin <green@namesys.com>]

Hello!

On Tue, Jul 09, 2002 at 02:13:51AM +1000, Basil Chupin wrote:

> >>I am running SuSE 8 and the HD is being accessed every 5 seconds by 
> >>"something". I thought I would just do a quick check of the reiserfs but 
> >atime updates and stuff?
> I really do not know what is causing this every-5-seconds access. This 
> is why I am trying to check the integrity of the fs as part of my 
> exercise of finding the reason for the access.

Integrity have nothing to do with that with 99.9% probability.

> >>on executing "reiserfsck --check --logfile check.log  /dev/hda7" this 
> >>produces the error message "/dev/hda7 is mounted w/ write permissions, 
> >>can not check it." I cannot find this message documented so am wondering 
> >>what it means, and what do I need to do in order to be able to check the 
> >>integrity of the reiserfs on my sytem. Can anyone please help?
> >You can only check integrity on read-only mounted fs.
> >You can only fix stuff on completely unmounted fs.
> Someone else responded to me earlier with the statement to execute 
> following: "mount -o remount,rw  /dev/hda7" which I thought had the "rw" 
> wrong; but by changing the "rw" to "ro" I then got the error message, 
> "mount: / busy".

Sure. You can do this in single user mode, though.

> All this is perplexing me, firstly because I am not tryng to change 
> anything- all I am trying to do is to do what the blurb about reiserfs 
> says which is "do this to CHECK the fs"; and secondly, how could one 
> ever effect any corrections to the fs if it cannot be mounted!?

This is a balanced tree filesystem, so metadata flies all over the place on
disk, so to ensure metadata stability, for check you need your volume to
at least to be mounted read only.

Bye,
    Oleg