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Gmane
From: tovis <mailer.tovis <at> freemail.hu>
Subject: Squeeze on USB
Newsgroups: gmane.linux.file-systems.aufs.user
Date: Saturday 19th November 2011 19:10:10 UTC (over 4 years ago)
Hi everyone! - oops! I have send a draft! Very sorry :(
I really confused with this task. I need to run a slightly customized
Debian Squeeze (stable) booting/running on/from USB stick. Problem is well
known - to many writes on USB. Some one (on hup.hu) recommend me the
unionfs (he was use it for diskless routers using CF modules) he was setup
a union for /var and using tmpfs for /tmp. I have realized that in
kernel-2.6.32-5 (for Squeeze) using aufs as a module (unionfs still exist
only as a patch).
/tmp is mounted as tmpfs, so it's living
I have read man, aufs html documentation but I have still do not
understand how to construct the command for making ro /var to be a unified
with /tmp/var wr so in result every files in /var are seen by system but
writes to /var goes to ramdisk/tmpfs ...
Should I make a separate ram disk (different from /tmp which is tmpfs)?
What the correct syntax for this branch(?). Can I put it to fstab? Should
I built a new initrd?
I read documentation and man several time, but some how I have could not
stick things together - feel so dumb. May be you can suggest something
more detailed description how does it should work, and how to construct
the appropriate command.

Any help will be highly appreciated!
  tovis







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