From: Stefan Priebe - Profihost AG <s.priebe@profihost.ag>
To: Tommi Virtanen <tv@inktank.com>
Cc: Alexandre DERUMIER <aderumier@odiso.com>, ceph-devel@vger.kernel.org
Subject: Re: is rados block cluster production ready ?
Date: Mon, 21 May 2012 10:09:19 +0200 [thread overview]
Message-ID: <4FB9F82F.9050208@profihost.ag> (raw)
In-Reply-To: <CADvuQREa3PXCG4Udvuy45wHUKBAruc40md_cOrssXYTN+8-JJw@mail.gmail.com>
Am 18.05.2012 18:13, schrieb Tommi Virtanen:
> <aderumier@odiso.com> wrote:
>> About network, does the rados protocol support some kind of multipathing ? Or does I need to use bonding/lacp ?
>
> Bonding is almost always good if you have the switch ports & bandwidth
> to spare. Even without bonding, one of the tricks RADOS does is that
> each chunk of the RBD image is stored on a different OSD, so your
> hypervisor will actually talk to even thousands of OSDs when the vm
> accesses the disk. This way, the network link of any individual
> storage node is less likely to become a performance bottleneck for the
> vm.
That's great but if you go the way of having for example 8x OSDs per
server with 8 single Disks - how can i archieve that ceph is splitting
my files to the correct servers for redundancy?
Stefan
next prev parent reply other threads:[~2012-05-21 8:09 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <531ff5f3-11d5-488e-adfb-68000f3c36c0@mailpro>
2012-05-18 6:08 ` is rados block cluster production ready ? Alexandre DERUMIER
2012-05-18 8:45 ` Christian Brunner
2012-05-18 9:58 ` Alexandre DERUMIER
2012-05-18 10:43 ` Christian Brunner
2012-05-18 16:13 ` Tommi Virtanen
2012-05-21 8:09 ` Stefan Priebe - Profihost AG [this message]
2012-05-21 8:18 ` Tim O'Donovan
2012-05-21 8:25 ` Stefan Priebe - Profihost AG
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