Subject: RE: NetBSD File Systems
To: 'tech-embed@netbsd.org' <tech-embed@netbsd.org>
From: Serge Blais <sblais@hyperchip.com>
List: tech-embed
Date: 03/05/2001 20:32:04
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If you do find some flash drivers for NetBSD I would be interested.
My experience with embedded software flash file system is that they are not
very reliable.
I much prefer using a dedicated chip for embedded file services.
Disk on a chip are a good inexpensive solution (http://www.m-sys.com/)
They are supported by LINUX now...
If you are talking about volume shipment then putting your own flash disk
controller on board could be a solution.
On a higher end system you could use a PC card with a flash disk.
Serge.
> -----Original Message-----
> From: tech-embed-owner@netbsd.org
> [mailto:tech-embed-owner@netbsd.org]On
> Behalf Of Tonny Tzeng
> Sent: Monday, March 05, 2001 8:15 PM
> To: Unice, Kyle; tech-embed@netbsd.org
> Subject: Re: NetBSD File Systems
>
>
> Dear Kyle,
>
> Though I'm porting Linux to our embedded board now, I am interested
> in the job of porting NetBSD also, so I'd like to know how
> much memories
> (ROM and RAM) needed by the NetBSD kernel in your embedded
> application, could you please share your experiences with me? TIA.
>
> Best Regards,
> Tonny
>
> [snip]
> > I have gotten to the point of having NetBSD trying to mount
> a file system
> on
> > our little embedded system. The system has FLASH and RAM
> but not much
> else.
> > What is the current thought on file systems inside these
> types of systems?
> > Does one allocat a piece of flash and format it as an ffs
> file system? If
> > so, is there a set of Flash chip drivers somewhere for NetBSD?
> >
> > Thanks for the help,
> > Kyle
> >
> > W. Kyle Unice
> > Senior Software Engineer Email: kyle <dot>
> unice <at>
> > intel.com
> > Internet Management Appliance Div. Voice: (801) 445-0509
> > Intel Corp. FAX:
> (801) 445-0104
> > 3740 West 13400 South
> > Riverton, UT 84065
> > Mail Stop RV1-226
> >
> > Viewpoints, opinions, and content are my own and not
> necessarily those of
> > Intel Corp.
> >
>
>
>
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<P><FONT SIZE=3D2>If you do find some flash drivers for NetBSD I would =
be interested.</FONT>
<BR><FONT SIZE=3D2>My experience with embedded software flash file =
system is that they are not very reliable.</FONT>
<BR><FONT SIZE=3D2>I much prefer using a dedicated chip for embedded =
file services.</FONT>
</P>
<P><FONT SIZE=3D2>Disk on a chip are a good inexpensive solution (<A =
HREF=3D"http://www.m-sys.com/" =
TARGET=3D"_blank">http://www.m-sys.com/</A>)</FONT>
<BR><FONT SIZE=3D2>They are supported by LINUX now...</FONT>
</P>
<P><FONT SIZE=3D2>If you are talking about volume shipment then putting =
your own flash disk controller on board could be a solution.</FONT>
</P>
<P><FONT SIZE=3D2>On a higher end system you could use a PC card with a =
flash disk.</FONT>
</P>
<P><FONT SIZE=3D2>Serge.</FONT>
</P>
<P><FONT SIZE=3D2>> -----Original Message-----</FONT>
<BR><FONT SIZE=3D2>> From: tech-embed-owner@netbsd.org </FONT>
<BR><FONT SIZE=3D2>> [<A =
HREF=3D"mailto:tech-embed-owner@netbsd.org">mailto:tech-embed-owner@netb=
sd.org</A>]On</FONT>
<BR><FONT SIZE=3D2>> Behalf Of Tonny Tzeng</FONT>
<BR><FONT SIZE=3D2>> Sent: Monday, March 05, 2001 8:15 PM</FONT>
<BR><FONT SIZE=3D2>> To: Unice, Kyle; tech-embed@netbsd.org</FONT>
<BR><FONT SIZE=3D2>> Subject: Re: NetBSD File Systems</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> Dear Kyle,</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> Though I'm porting Linux to our embedded board =
now, I am interested</FONT>
<BR><FONT SIZE=3D2>> in the job of porting NetBSD also, so I'd like =
to know how </FONT>
<BR><FONT SIZE=3D2>> much memories</FONT>
<BR><FONT SIZE=3D2>> (ROM and RAM) needed by the NetBSD kernel in =
your embedded</FONT>
<BR><FONT SIZE=3D2>> application, could you please share your =
experiences with me? TIA.</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> Best Regards,</FONT>
<BR><FONT SIZE=3D2>> Tonny</FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> [snip]</FONT>
<BR><FONT SIZE=3D2>> > I have gotten to the point of having =
NetBSD trying to mount </FONT>
<BR><FONT SIZE=3D2>> a file system</FONT>
<BR><FONT SIZE=3D2>> on</FONT>
<BR><FONT SIZE=3D2>> > our little embedded system. The =
system has FLASH and RAM </FONT>
<BR><FONT SIZE=3D2>> but not much</FONT>
<BR><FONT SIZE=3D2>> else.</FONT>
<BR><FONT SIZE=3D2>> > What is the current thought on file =
systems inside these </FONT>
<BR><FONT SIZE=3D2>> types of systems?</FONT>
<BR><FONT SIZE=3D2>> > Does one allocat a piece of flash and =
format it as an ffs </FONT>
<BR><FONT SIZE=3D2>> file system? If</FONT>
<BR><FONT SIZE=3D2>> > so, is there a set of Flash chip drivers =
somewhere for NetBSD?</FONT>
<BR><FONT SIZE=3D2>> ></FONT>
<BR><FONT SIZE=3D2>> > Thanks for the help,</FONT>
<BR><FONT SIZE=3D2>> > Kyle</FONT>
<BR><FONT SIZE=3D2>> ></FONT>
<BR><FONT SIZE=3D2>> > W. Kyle Unice</FONT>
<BR><FONT SIZE=3D2>> > Senior Software =
Engineer &nbs=
p; Email: kyle <dot> </FONT>
<BR><FONT SIZE=3D2>> unice <at></FONT>
<BR><FONT SIZE=3D2>> > intel.com</FONT>
<BR><FONT SIZE=3D2>> > Internet Management Appliance =
Div. Voice: (801) 445-0509</FONT>
<BR><FONT SIZE=3D2>> > Intel =
Corp. &=
nbsp; &=
nbsp; &=
nbsp; FAX: </FONT>
<BR><FONT SIZE=3D2>> (801) 445-0104</FONT>
<BR><FONT SIZE=3D2>> > 3740 West 13400 South</FONT>
<BR><FONT SIZE=3D2>> > Riverton, UT 84065</FONT>
<BR><FONT SIZE=3D2>> > Mail Stop RV1-226</FONT>
<BR><FONT SIZE=3D2>> ></FONT>
<BR><FONT SIZE=3D2>> > Viewpoints, opinions, and content are my =
own and not </FONT>
<BR><FONT SIZE=3D2>> necessarily those of</FONT>
<BR><FONT SIZE=3D2>> > Intel Corp.</FONT>
<BR><FONT SIZE=3D2>> ></FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> </FONT>
<BR><FONT SIZE=3D2>> </FONT>
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