Re: RaiserFS via NFS
Hi,
You might like DRBD better than AFS, I think AFS is more suited, to
allow multiple servers to serve /usr/bin, ie static partitions. /var or
/home partitions need something different.
Coda does sound good. ...just following these, not using them yet, I
think inter-mezzo is too young still, links:
http://www.drbd.org/
Drbd is a block device which is designed to build high availability
clusters. This is done by mirroring a whole block device via (a
dedicated) network. You could see it as a network raid-1.
http://www.lustre.org/
The 1.0 release of Lustre is now available, and is suitable for clusters
with thousands of nodes and hundreds of terabytes of storage.
http://opengfs.sourceforge.net/docs.php
The Open Global File System (OpenGFS, or OGFS) is a journaled filesystem that
supports simultaneous sharing of a common storage device by multiple computer
nodes.
http://www.coda.cs.cmu.edu/
Coda is a distributed filesystem with its origin in AFS2.
http://www.inter-mezzo.org/docs.html
InterMezzo will be suitable for replication of servers, mobile
computing, managing system software on large clusters, and for
maintenance of high availability clusters.
// George
On Sun, Apr 18, 2004 at 01:43:43AM +0200, Andreas John wrote:
>Hello!
>
>Just to be curious: I'm thinking for some time about using andrew fs,
>i.e. coda instead of NFS. I don't like NFS, due to complications with
>access rights (Yes, I use ugidd). But it sounds like the locking problem
>ist also not solved with coda, right?
>
>rgds,
>j.
>
>
>Andrew Miehs wrote:
>>I suggest you all read
>>
>>http://www.porcupine.org/postfix-mirror/newdoc/NFS_README.html
>>
>>Especially the sentence
>>'Thus, Postfix on NFS is slightly less reliable than Postfix on a local
>>disk.'
>>
>>Either something is reliable or not. there is no such thing as slightly
>>less reliable.
>>
>>Especially when it comes to mail. With Maildir you will have less
>>problems than with mbox,
>>but you still do NOT have atomic transactions, and as such you will at
>>some stage
>>statistically have a problem.
>>
>
>
>--
>Andreas John
>net-lab GmbH
>Luisenstrasse 30b
>63067 Offenbach
>Tel: +49 69 85700331
>
>http://www.net-lab.net
>
>
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--
George Georgalis, Architect and administrator, Linux services. IXOYE
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