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From: Mikael Starvik <mikael.starvik@axis.com>
To: "'Nandakumar  NarayanaSwamy'" <nanda_kn@rediffmail.com>,
       "'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>
Subject: RE: File systems in embedded devices
Date: Sun, 9 Feb 2003 11:03:10 +0100 
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We use JFFS2 for configuration parameters etc, cramfs for 
binaries etc  and tmpfs for temporary data (our embedded 
devices typically have 4 MB flash and 16 MB RAM).

/Mikael

-----Original Message-----
From: linux-kernel-owner@vger.kernel.org
[mailto:linux-kernel-owner@vger.kernel.org]On Behalf Of Nandakumar
NarayanaSwamy
Sent: Saturday, February 08, 2003 3:20 PM
To: linux-kernel@vger.kernel.org
Subject: File systems in embedded devices


Dear All,

We are developing a embedded device based on linux. Through the 
development phase we used NFS. But now we want to move some 
filesystem
which can be created in FLASH/RAM.

I have few doubts about the file system in embedded devices.

1) What is the file system which is used normally in all embedded 
devices? (JFFS/CRAMFS/RAM DISK)

2) We tried using RAM disk as the file system. But since our 
application is huge it is not able to fit into 8 MB RAM disk 
created. When we tried to increase the size of the RAM disk, the 
kernel crashes above 9 MB. We have 32 MB in our target board.

3) I dont know whether we can use cramfs.

Can anybody suggest me some ideas so that i can solve these 
issues?

Thanks and Regards,
Nanda

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