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[ts-7000] creating a RAMDISK on a TS7250

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Subject: [ts-7000] creating a RAMDISK on a TS7250
From: "gbever2003" <>
Date: Sat, 06 Feb 2010 16:24:12 -0000
I need to create a small RAM disk on the TS7250. I have found much material 
relating to doing that in Linux, but they all require the utility 'mke2fs' or 
'mkfs.'  These do not appear to exist in the standard Linux load of the TS7250 
which I bought in August 2009 (I have ts_linux v1.03--uses Busybox).

Does anyone know how I can create a RAM disk in this environment?  I would 
prefer not to have to boot Debian--which uses GNU instead of Busybox and might 
have mkfs command.  I have seen references in the 'arm-linux-ts72xx' July 2009 
manual (page 24) to using a ram disk to boot to a USB, but it begs the question 
of creating the RAM disk.

Here is what I have found in Linux literature:

mkdir /mnt/ramdisk
mknod -m 660 /dev/ram b 1 1
dd if=/dev/zero of=/dev/ram bs=1k count=4k
mkfs.ext2 /dev/ram (or mke2fs -t ext2 /dev/ram)
mount -t ext2 /dev/ram /mnt/ramdisk

then 'ls /mnt/ram' should show a directory of the ram disk.

This works on Knoppix Linux.

The first three steps appear to work on the TS7250, but the command for 
creating the file structure on the 'disk' (mkfs) does not as mkfs does not 
exist.  I can't very well format the native RAM of the TS7250 on another Linux 
system and port it over.

Any suggestions?




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