On 09/23/11 13:03, Felix Frank wrote:
On 09/23/2011 12:49 PM, Arnold Krille wrote:
And if there is a penalty for using image-files for the vm, I haven't
encountered any.
That's literally the first time I hear someone make this statement, ever.
But then, I never did any benchmarks myself and have to rely on heresay.
Still, depending on your workload, I can see no reason why direct disk
access shouldn't have (at least potential) performance advantages.
Furthermore, I see little benefit in image files (in the OP's scenario,
who isn't gunning for a 4+ node cluster).
Still, your cluster sketch is quite intriguing.
Cheers,
Felix
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So we have basically someone suggesting image file backends on a
clustered FS on dual primary DRBD and someone else aiming for block
devices offered directly by DRBD.
Felix,
do you combine your setup with clustering software? Or do you script a
live migration? I'm intrigued by how you handle the timing in the latter
case.
Bart
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