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Re: [reiserfs-list] To compare Linux journalised filesystem, part II.



Fabien Combernous writes:
 > Back,
 > 
 > After to get all informations i received, i put them in table as follow:
 > 
 >   see attachment file.
 > 
 > Specialists can they tell me if they agree with my conclusions ?
 > 
 > Thank's for your good job.
 > 
 > Fabien.
 > 
 > -- 
 > 
 > Fabien COMBERNOUS - IT Engineer
 > eProcess - Parc Club du MillИnaire Batiment n╟ 6
 > 1025 rue Henri Becquerel - 34000 Montpellier FRANCE
 > http://www.eprocess.fr - +33 (0)4 67 13 84 50
 > +------------------+-----+------+-----+----------+------------------------------------------------------------------------+
 > | Features \ fs    | xfs | ext3 | jfs | reiserfs |                                Comments                                |
 > +------------------+-----+------+-----+----------+------------------------------------------------------------------------+
 > | mmutable         |  N  |  Y   |  Y  |    Y     | "Y" is not with same sens. Implementation is not same. Each one permit |
 > | append-only      |     |      |     |          | some elements that other don't permit and reverse. xfs will have       |
 > |                  |     |      |     |          | implementation in futur.                                               |
 > +------------------+-----+------+-----+----------+------------------------------------------------------------------------+
 > | quotas           |  Y  |  Y   |  Y  |    Y     | Again "Y" is not aqual. ext3 accept quota only on data-journaled       |
 > |                  |     |      |     |          | filesystems, but all other journaled filesystem don't have data journal|
 > |                  |     |      |     |          | About reiserfs you need Chris patches.
 > +------------------+-----+------+-----+----------+------------------------------------------------------------------------+
 > | NFS              |  Y  |  Y   |  Y  |    Y     | nfs works on all of them. You need at least reiserfs v3.6.
 > +------------------+-----+------+-----+----------+------------------------------------------------------------------------+
 > | samba            |  Y  |  Y   |  Y  |    Y     | Since Samba is userspace, the fs shouldn't matter (2.2.4 or 2.2.5)     |
 > +------------------+-----+------+-----+----------+------------------------------------------------------------------------+
 > | coda             | coda is a file sys him self |            /               /              /              /             |
 > +------------------+-----+------+-----+----------+------------------------------------------------------------------------+
 > |data journal      |  N  |  Y   |  N  |    N     | Only ext3 can take care of data by a data journal. All other journaled |
 > |                  |     |      |     |          | file systems have "only" a metadata journal.                           |
 > +------------------+-----+------+-----+----------+------------------------------------------------------------------------+


Reiserfs supports data journalling with yet another set of Chris
patches: ftp://ftp.suse.com/pub/people/mason/patches/data-logging/

Nikita.





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