[rfc] use ext3 instead of ext2

Nathan Coulson conathan at conet.dyndns.org
Thu Jul 15 14:49:56 PDT 2004

> On Thu, 15 Jul 2004 15:18:58 -0600 (MDT)
> "Nathan Coulson" <conathan at conet.dyndns.org> wrote:
>> I am not entirely sure about this, but this would mean we do not fsck
>> / on bootup, right?
> That's my understanding too.  With a journalled FS there is no need to
> fsck the drive _at all_ as everything is journalled.  I _think_ that the
> drive_needs_ to be mounted rw on bootup in order for the journalling
> replay to work in the case of an unclean shutdown, but I'm not entirely
> sure of that, so any confirmation would be appreciated.
>> If so, I would like to take out the line that mounts / readonly, then
>> fsck's it.
> Yep.  We'd need to pass the 'rw' flag to the kernel (via grub's
> 'menu.lst') too, in order for it not to be mounted readonly (thanks to
> Jeremy & Ronald for this info).
> Apparently there might be a potential issue with udev creating files too
> early as the device is rw from the get-go.  If anyone can confirm or
> deny that as well your explanations would be appreciated.

This issue would only occur if someone installed hotplug without the
kernel patch mentioned in the LFS unstable book [probably in LFS stable as
well?]  (the patch in question, replaces /sbin/hotplug with /bin/true).

> Converting to an ext3 fs is as simple as passing '-j' to `mke2fs`.  '-J'
> might be more useful, if anyone knows that the default journalling
> parameters are not suitable for our base install.
> Cheers,
> Matt.
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