Re: multi site with cephfs

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The answer given at the seminar yesterday was that a practical limit was around 60km.
I don't think 100km is that much longer.  I defer to the experts here.






On 16 May 2018 at 15:24, Up Safe <upandsafe@xxxxxxxxx> wrote:
Hi,

About a 100 km. 
I have a 2-4ms latency between them. 

Leon

On Wed, May 16, 2018, 16:13 John Hearns <hearnsj@xxxxxxxxxxxxxx> wrote:
Leon,
I was at a Lenovo/SuSE seminar yesterday and asked a similar question regarding separated sites.
How far apart are these two geographical locations?   It does matter.

On 16 May 2018 at 15:07, Up Safe <upandsafe@xxxxxxxxx> wrote:
Hi,

I'm trying to build a multi site setup.
But the only guides I've found on the net were about building it with object storage or rbd.
What I need is cephfs.

I.e. I need to have 2 synced file storages at 2 geographical locations.
Is this possible?

Also, if I understand correctly - cephfs is just a component on top of the object storage.
Following this logic - it should be possible, right?

Or am I totally off here?

Thanks,
Leon

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