Zmotion

Find out how the Zmotion process works

Last updated 13th July 2020

Objective

OVHcloud Zmotion is a technology that transfers data across a customer private network between two physical storage arrays.

Instructions

Description

Our datastores run NFS on ZFS in a home storage array called Leclerc. In order to gain greater flexibility in the management of our hardware, we have developed a way to hot-migrate the stock of ZFS data from one hardware device to another.

This is called "Zmotion" (for "ZFS motion").

The goal of Zmotion is to free a datastore without any vCenter action necessary (no vMotion, no cloning...) and without any action from the customer's side.

zmotion

Steps in detail

  • A free datastore, on another Leclerc, is reserved in our data centre to push all the data.
  • Our network properties are set on the destination datastore.
  • Data transfer begins in a private network dedicated to the client.
  • When all data is transferred, the NFS service moves from one table to another.

From VMware's perspective, there is no downtime.

Go further

Join our community of users on https://community.ovh.com/en/.


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