On Nov 29, 2011, at 10:45 AM, tovis wrote:

tovis:

I am interested in minimizing writes to a boot flash drive as well. I have a 
Seagate Dockstar (arm5, 128 MB RAM) that boots Debian wheezy from a usb flash 
drive. It runs rtorrent, sabnzbd, and rsync. These programs operate on files 
that are on two external usb hard disks, but they also cause lots of writes to 
the flash drive, and I'm concerned that this will lead to premature flash drive 
death. 


> About "my" technology to minimize writes on USB:
> 1. In the /etc/rcS.d/ I have put my little script for mounting aufs on
> /var immediately after S07checkroot (after checkroot script USB as root is
> mounted rw). Instantly I have do the next:
> mount -t tmpfs none /mnt/var
> tar -xzf /boot/aufs_mnt_var.tar.gz
> mount -t aufs -o br:/mnt/var:/var=rw none /var


Can you go into a little more detail here? My system has S06checkroot.sh. Do I 
put the lines

        mount -t tmpfs none /mnt/var
        tar -xzf /boot/aufs_mnt_var.tar.gz
        mount -t aufs -o br:/mnt/var:/var=rw none /var

somewhere in the file S06checkroot.sh? Or am I misunderstanding?


> 2. In the /etc/fstab I have mount over /tmp tmpfs.


I don't quite understand what you're saying here. Can you show me the actual 
lines from /etc/fstab?

Thank you! :)

-Bo Parker
fbpar...@hiwaay.net



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