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Thanks Christian. How do we keep track of the usage? For example with 5
nodes i.e 40TB. How do we know how much space has been consumed out of this
40TB?

Paras.



On Wed, May 8, 2013 at 2:44 PM, Christian Schwede <info at cschwede.de> wrote:

> Am 08.05.13 21:18, schrieb Paras pradhan:
> > I have a three nodes swift cluster. I can see the objects being
> > replicated to all three nodes.  Each node has 12 2TB disks. Since I
> > have 3 replicas the usable space is only 24TB ?
>
> Yes, that's correct.
>
> > How this will scale up if we add two more storage nodes of the same
> > capacity?
>
> 5 * 12 * 2 / 3: ~ 40TB usable capacity.
>
> > Also, is there any tool to monitor the usage, health of the whole
> > cluster?
>
> To detect failed drives you might have a look at
>
> http://docs.openstack.org/developer/swift/admin_guide.html#detecting-failed-drives
>
> For Swift-related monitoring please refer to
>
> http://docs.openstack.org/trunk/openstack-object-storage/admin/content/ch_introduction-to-openstack-object-storage-monitoring.html
>
> For general node monitoring you can use your preferred tool (Nagios,
> Icinga, Shinken, RHQ, Hyperic...).
>
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