Re: nftl/DoC Mill. root fs question

Re: nftl/DoC Mill. root fs question

[Levi Khatskevitch]

On Wed, 06 Dec 2000, Tripp Lilley wrote:
> While researching this whole /etc/mtab vs. /proc/mounts issue, I came
> across the following post:
> 
> 	http://www.uwsg.iu.edu/hypermail/linux/kernel/0010.3/0243.html
> 
> which points out some of the "dangers" in using /proc/mounts, and
> specifically mentions the /dev/root issue. Not sure if it's 100%
> applicable, but it might be a good starting point :)
> 
> 
> On Mon, 4 Dec 2000 tyson@rwii.com wrote:
> 

Thanks,
I'm not yet sure how applicable this is because I'm using busybox mount that as
I have discovered recently doesn't keep mtab at all. It always looks into
/proc/mounts. Since proce/mounts reports /dev/root mounteds on / too I'm
confused, mounting root fs rw doesn't change anything but if I'm using /dev/ram0
as root /proc/mounts and mount both report it correctly. At this point I'm at
loss to explain this.

- Levi

-- 
Levi Khatskevitch
CTO
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nftl/DoC Mill. root fs question

[Levi Khatskevitch]

Hi,

My kernel mounts /dev/nftla1 as root with no problems however when I do

# mount

it reports that / is /dev/root device and not /dev/nftla1 what did I miss?
- Levi

-- 
Levi Khatskevitch
CTO
Cachier, Corp.
575 Grand St., Suite E306
New York, NY 10002


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Re: nftl/DoC Mill. root fs question

[Ronald G Minnich]

On Mon, 4 Dec 2000, Levi Khatskevitch wrote:

> it reports that / is /dev/root device and not /dev/nftla1 what did I miss?

This is unix foolishness. Mounts are kept in /etc/mtab. Since the file
system is readonly, this won't get fixed, since you can't update files in
/etc. 

ron



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Re: nftl/DoC Mill. root fs question

[tyson]

On  4 Dec, Ronald G Minnich wrote:
> On Mon, 4 Dec 2000, Levi Khatskevitch wrote:
> 
>> it reports that / is /dev/root device and not /dev/nftla1 what did I miss?
> 
> This is unix foolishness. Mounts are kept in /etc/mtab. Since the file
> system is readonly, this won't get fixed, since you can't update files in
> /etc. 
> 
> ron

I run systems with read-only file systems.  Among other thigs, we
symlink /etc/mtab to /proc/mounts.

Cheers!
Ty

-- 
Tyson D Sawyer                             iRobot Corporation
Senior Systems Engineer                    Real World Interface Div.
tsawyer@irobot.com                         Robots for the Real World
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Re: nftl/DoC Mill. root fs question

[Levi Khatskevitch]

On Mon, 04 Dec 2000, tyson@rwii.com wrote:
> On  4 Dec, Ronald G Minnich wrote:
> > On Mon, 4 Dec 2000, Levi Khatskevitch wrote:
> > 
> >> it reports that / is /dev/root device and not /dev/nftla1 what did I miss?
> > 
> > This is unix foolishness. Mounts are kept in /etc/mtab. Since the file
> > system is readonly, this won't get fixed, since you can't update files in
> > /etc. 
> > 
> > ron
> 
> I run systems with read-only file systems.  Among other thigs, we
> symlink /etc/mtab to /proc/mounts.
> 
> Cheers!
> Ty
> 

tried that, doesn't change anything
- Levi

-- 
Levi Khatskevitch
CTO
Cachier, Corp.
575 Grand St., Suite E306
New York, NY 10002


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Re: nftl/DoC Mill. root fs question

[Jan Danielsson]

If you use the proc filesystem: try to let "/etc/mtab" be a soft-link
to "/proc/mounts".

  --Jan


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Re: nftl/DoC Mill. root fs question

[Levi Khatskevitch]

On Mon, 04 Dec 2000, Jan Danielsson wrote:
> If you use the proc filesystem: try to let "/etc/mtab" be a soft-link
> to "/proc/mounts".
> 
>   --Jan

/proc/mounts says the same thing (/dev/root)
- Levi

-- 
Levi Khatskevitch
CTO
Cachier, Corp.
575 Grand St., Suite E306
New York, NY 10002


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