[yocto] Which filesystem for target?
Stewart, David C
david.c.stewart at intel.com
Sun Oct 30 09:34:44 PDT 2011
Anybody got an answer for Chris?
(A lot of folks are traveling back from a conference, Chris, so might explain slowness)
Sent from my Blackberry
----- Original Message -----
From: Chris Tapp [mailto:opensource at keylevel.com]
Sent: Friday, October 28, 2011 03:11 PM
To: yocto at yoctoproject.org <yocto at yoctoproject.org>
Subject: [yocto] Which filesystem for target?
A bit of an open-ended question, but...
Which is the 'best' filesystem to use for an embedded device that's
using a CF card?
It needs to survive loss-of-power, have a RO root filesystem, allow
user configuration data to persist and (ideally) only use 'Busybox'
commands.
This seems to imply the use of a partition for booting (mount RO) and
a second partition or a loop-device on the boot partition for
persistent storage.
I would normally go for ext3, but Busybox doesn't support it (afaik).
The Busybox tune2fs also only supports -L, so I can't stop 'disk needs
checking after <n> mounts' messages.
Is btrfs a suitable alternative?
Chris Tapp
opensource at keylevel.com
www.keylevel.com
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