Date: Mon, 18 May 2009 12:46:20 +0200 From: "Tonix (Antonio Nati)" <tonix@interazioni.it> To: freebsd-isp@freebsd.org Subject: Re: Questions on clustered FS + NFS Message-ID: <4A113C7C.506@interazioni.it> In-Reply-To: <4A09D839.9040908@ngc.net.ua> References: <4A080851.3090101@interazioni.it> <4A080927.2080307@eenet.ee> <4A080C45.7010003@interazioni.it> <4A09D839.9040908@ngc.net.ua>
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Actually, we are thinking to test ocfs2 + nfs in ths way:
* a couple of Linux servers using ocfs2 sharing the same partition
* NFS running on both, with heartbeat enabling only one, because we
don't know how NFS can share locks among more NFS servers.
To be more complete, we don't like how locks are handled by any of
previously mentioned products.
Ideally, there sould be a Distribuited Lock Manager (DLM), among all
servers, and all layered products, both FS and NFS server, should use
that DLM in order to manage/share locks.
Is there any idea to develop a DLM on FreeBSD, to be integrated in kernel?
Tonino
Zinevich Denis ha scritto:
> The same issue for me. I have SAN connected to 4 servers. I was
> searching for such fs for about a week several month ago. I have not
> found anything matching this task. What was close - CODA. Now i do not
> exactly remember why it was not suitable for me...
> If you found how to solve this question - mail me please, I`m very
> interested in it too.
>
> Link.
>
> Tonix (Antonio Nati) пишет:
>> Joel Jans ha scritto:
>>> Tonix (Antonio Nati) wrote:
>>>> I'd love to put all my storage on a clustered NFS (with a ridondant
>>>> iSCSI controller and storage), FreeBSD based of course, but I see
>>>> there is not any clustered FS on FreeBSD.
>>>>
>>>> So, the solution seems to run a couple of GFS or OCFS2 on some
>>>> Linux servers, more some NFS servers handled by heartbeat.
>>>>
>>>> Is there any FreeBSD solution I could adopt?
>>>>
>>>
>>> Glusterfs, http://www.gluster.org/docs/index.php/GlusterFS
>>> http://www.freebsdwiki.net/index.php/GlusterFS
>>>
>>> Joel Jans
>>>
>>>
>> GlusterFS looks to be a distribuited FS.
>> What I need is to have two/three servers which are mounting in
>> read/write exactly the same storage (an external iSCSI subsystem),
>> exactly like wonderful old VMS did, or like GFS or OCFS2 seems to do
>> now.
>> Both servers must mount the same iSCSI partitions, so they work on
>> the same data.
>>
>> Tonino
>>
>>
>
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Inter@zioni Interazioni di Antonio Nati
http://www.interazioni.it tonix@interazioni.it
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