2009-02-05 - Fedora Test Day - ext4 default fs

Peter Robinson pbrobinson at gmail.com
Thu Feb 5 17:10:27 UTC 2009


>> I've installed a couple of F-10 systems with ext-4 without major
>> issues but in F-10 you couldn't use ext4 for the /boot partition which
>> I presume you'll be able to do for F-11.
>
> Eventually, I hope so.  Not that /boot is all that critical... but there
> is an ext4 patch for grub which needs some testing yet.  (and needs some
> pushing-to-rawhide yet).
>
>> Also there's the option now of using ext4 without a journal in recent
>> time (presumably to be able to finally do away with ext2) which for
>> some systems is very useful so to be able to use that option when
>> installing would be very useful too.
>
> doubtful that ext2 will ever go away, it's still kind of the canonical
> disk-based filesystem in the kernel (very useful as an example if
> nothing else), but usecases for ext2 may well migrate to ext4+nojournal.
>
> When you say useful to use it when installing, you mean so that the
> resulting fs is set up that way?  It could always be switched over
> post-install; having the install option would be *nice* but not
> *critical* - in general the installer doesn't expose very many
> mkfs/mount options for any filesystem at this point ....

Useful to be able to specify either through a boot parameter like ext4
gets specified for F-10 at the moment or through a kickstart options
for building images. I think it gets used quite a bit for flash based
systems so as reduce the wear on the flash.

Peter




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