From: Miles Fidelman <mfidelman@meetinghouse.net>
Cc: "linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>
Subject: Re: possibly silly question (raid failover)
Date: Tue, 01 Nov 2011 09:02:52 -0400 [thread overview]
Message-ID: <4EAFEDFC.8090001@meetinghouse.net> (raw)
In-Reply-To: <20111101092659.GA12805@vault>
Johannes Truschnigg wrote:
> Hi Miles,
>
> On Mon, Oct 31, 2011 at 08:38:16PM -0400, Miles Fidelman wrote:
>> Hi Folks,
>>
>> I've been exploring various ways to build a "poor man's high
>> availability cluster." Currently I'm running two nodes, using raid
>> on each box, running DRBD across the boxes, and running Xen virtual
>> machines on top of that.
>> [...]
> while I do note that I don't answer your question at hand, I'm still inclined
> to ask if you do know Ganeti (http://code.google.com/p/ganeti/) yet? It offers
> pretty much everything you seem to want to have.
Actually I do know Ganeti, and it does NOT come close to what I'm
suggesting:
- it supports migration but not auto-failover
- DRBD is the only mechanism it provides for replicating data across
nodes - which limits migration to a 2-node pair
--
In theory, there is no difference between theory and practice.
In<fnord> practice, there is. .... Yogi Berra
next prev parent reply other threads:[~2011-11-01 13:02 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-01 0:38 possibly silly question (raid failover) Miles Fidelman
2011-11-01 9:14 ` David Brown
2011-11-01 13:05 ` Miles Fidelman
2011-11-01 13:37 ` John Robinson
2011-11-01 14:36 ` David Brown
2011-11-01 20:13 ` Miles Fidelman
2011-11-01 21:20 ` Robin Hill
2011-11-01 21:32 ` Miles Fidelman
2011-11-01 21:50 ` Robin Hill
2011-11-01 22:35 ` Miles Fidelman
2011-11-01 22:00 ` David Brown
2011-11-01 22:58 ` Miles Fidelman
2011-11-02 10:36 ` David Brown
2011-11-01 22:15 ` keld
2011-11-01 22:25 ` NeilBrown
2011-11-01 22:38 ` Miles Fidelman
2011-11-02 1:40 ` keld
2011-11-02 1:37 ` keld
2011-11-02 1:48 ` NeilBrown
2011-11-02 7:02 ` keld
2011-11-02 9:20 ` Jonathan Tripathy
2011-11-02 11:27 ` David Brown
2011-11-01 9:26 ` Johannes Truschnigg
2011-11-01 13:02 ` Miles Fidelman [this message]
2011-11-01 13:33 ` John Robinson
2011-11-02 6:41 ` Stan Hoeppner
2011-11-02 13:17 ` Miles Fidelman
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