I found this link and it says everything should work fine (just in case
anyone else was wondering the same):

http://sourceforge.net/mailarchive/forum.php?thread_id=1040141&forum_id=7176


> ext3 is ext2 with a journal file added, so dump/restore should work with
> it.
>
>> I'd like to backup an ext3 filesystem.  I'm fond of the interface for
>> dump/restore, but the man page says it's only compatible with ext2.
>> And dump is at version 0.4-something, which doesn't give me big warm
>> fuzzies.  Also, I've ran across a few posts here and there on the 'net
>> claiming that dump is not reliable on 2.4 kernels for some reason.
>> I've done a couple tests and successfully dumped and restored up to 20
>> gigs on an ext3 filesystem without any obvious problems.
>>
>> Has anyone encountered any issues with dump/restore on Linux?  Or have
>> a good explanation of why this might be a bad idea?
>> Thanks,
>
>
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