Multi site and multi tenancy

• US 9,619,256 B1
• Filed: 08/30/2012
• Issued: 04/11/2017
• Est. Priority Date: 06/27/2012
• Status: Active Grant

• Current Assignee: Emc IP Holding Company LLC (Dell Technologies Inc.)
• Original Assignee: Emc IP Holding Company LLC (Dell Technologies Inc.)
• Inventors: Natanzon, Assaf, Cohen, Saar, Shemer, Jehuda, Solan, Alex
• Primary Examiner(s): Meng, Jau-Shya
• Application Number:
  US13/599,492
• Time in Patent Office: 1,685 Days
• Field of Search: None
• CPC Class Codes: G06F 11/14 Error detection or correction of the data by redundancy in operation G06F11/16 takes precedence
• CPC Class Codes: G06F 11/1448 Management of the data involved in backup or backup restore
• CPC Class Codes: G06F 11/1471 involving logging of persistent data for recovery
• CPC Class Codes: G06F 11/1474 in transactions G06F16/20 takes precedence
• CPC Class Codes: G06F 11/1662 the resynchronized component or unit being a persistent storage device re-synchronization of failed mirror storage G06F11/2082; rebuild or reconstruction of parity RAID storage G06F11/1008
• CPC Class Codes: G06F 11/2028 eliminating a faulty processor or activating a spare
• CPC Class Codes: G06F 11/2048 where the redundant components share neither address space nor persistent storage
• CPC Class Codes: G06F 11/2074 Asynchronous techniques
• CPC Class Codes: G06F 11/2082 Data synchronisation
• CPC Class Codes: G06F 11/2094 Redundant storage or storage space G06F11/2056 takes precedence
• CPC Class Codes: G06F 11/2097 maintaining the standby controller/processing unit updated initialisation or re-synchronisation thereof G06F11/1658 and subgroups
• CPC Class Codes: G06F 2009/45562 Creating, deleting, cloning virtual machine instances
• CPC Class Codes: G06F 2201/815 Virtual middleware or OS functionality using virtual machines to implement generic software techniques for error detection or fault masking G06F11/1484
• CPC Class Codes: G06F 2201/84 Using snapshots, i.e. a logical point-in-time copy of the data
• CPC Class Codes: G06F 9/45533 Hypervisors; Virtual machine monitors
• CPC Class Codes: G06F 9/45558 Hypervisor-specific management and integration aspects

Abstract

A computer implemented method, system, and computer program product for replicating multiple tenants comprising creating a first sub cluster at a production site; wherein the production site has a cluster of replication appliances and wherein the sub-cluster comprises a subset of the replication appliances in the cluster of replication appliance at the production site, creating a second sub cluster at a replication site comprising of a subset of replication appliances in the cluster of replication appliance at the production cluster, and creating a replication subsystem comprising of the first and second sub-clusters and replicating from the production sub-cluster to the replica sub cluster.

Claims

1. A computer implemented method for replicating multiple tenants comprising:

creating a first virtual cluster at a production site;

wherein the production site has a cluster of replication appliances and wherein the first virtual cluster includes a subset of the replication appliances in the cluster of replication appliance at the production site;

wherein first virtual cluster of the replication appliances corresponds to portions of the cluster of replication appliances on the production site included in the first virtual cluster;

creating a second virtual cluster at a replication site including of a second subset of replication appliances in a second cluster of replication appliances at the replication cluster;

wherein the second virtual cluster of the replication corresponds to portions of the second cluster of replication appliances included in the second virtual cluster; and

creating a virtual replication system for a tenant including the first virtual cluster and second virtual cluster and wherein the tenant is using the virtual replication system to replicate data of the tenant from the first virtual cluster on the production site to the second virtual cluster on the replication site;

wherein access to the virtual replication system provides the tenant with portions of the replication appliances included in the first virtual cluster and use the portions of the replication appliances in the second virtual cluster for replication of the data of the tenant without exposing the resources of the cluster of replication appliances on the production site and without exposing the resources of the cluster of the replication appliances on the replication site; and

wherein each virtual replication system has separated IO path and a separate control path, providing multi tenancy; and

wherein each replication appliance in the virtual replication system is assigned with a portion of resources of the replication appliance for use in the virtual replication system.

2. The method of claim 1 further supporting replication from geographically disperse sites, to the replication site;

wherein further virtual clusters are created at each geographically disperse site of the geographically disperse sites;

the method further comprising;

selecting a subset of the replication appliances from the replication cluster at the geographically disperse site;

creating for each site of the geographically disperse sites a virtual cluster at the replication site out of the set of replication appliances of the replication cluster the replication site; and

wherein the virtual replication system replicates from first virtual cluster on the production site to the second virtual cluster on the replication site.

3. The method of claim 2 further comprising:

creating a system view of the geographically disperse sites and the replication site;

wherein the system view presents the replication appliances at the geographically disperse sites and the replication site to a user; and

presenting the system view to a manager of the geographically disperse sites and the replication site.

4. The method of claim 1 wherein a portion of the resources of a same replication appliance is assigned two of the virtual clusters.

5. The method of claim 1 wherein a user of the virtual replication system is configured to access configuration and status of the portion of the replication appliances assigned to the virtual clusters forming the virtual replication system and is not able to access the portion of the replication appliances assigned to other virtual replication systems.

6. A computer program product for replicating multiple tenants comprising:

a non-transitory computer readable medium encoded with computer executable program code for replication of data, the computer executable program code executed by one or more processors to perform;

creating a first virtual cluster at a production site;

wherein the production site has a cluster of replication appliances and wherein the first virtual cluster includes a subset of the replication appliances in the cluster of replication appliance at the production site;

wherein the-first virtual cluster of the replication appliances corresponds to portions of the cluster of replication appliances on the production site included in the first virtual cluster;

creating a second virtual cluster at a replication site including of a second subset of replication appliances in a second cluster of replication appliances at the replication cluster;

wherein the second virtual cluster corresponds to portions of the second cluster of replication appliances included in the second virtual cluster; and

creating a virtual replication system for a tenant including the first virtual cluster and the second virtual cluster and wherein the tenant is using the virtual replication system to replicate data of the tenant from the first virtual cluster on the production site to the second virtual cluster on the replication site;

wherein the tenant is given access to the virtual replication system;

wherein access to the virtual replication system provides the tenant with portions of the replication appliances included in the first virtual cluster and use the portions of the replication appliances in the second virtual cluster for replication of the data of the tenant without exposing the resources of the cluster of replication appliances on the production site and without exposing the resources of the cluster of the replication appliances on the replication site; and

wherein each virtual replication system has separated IO path and a separate control path, providing multi tenancy; and

wherein each replication appliance in the virtual replication system is assigned with a portion of resources of the replication appliance for use in the virtual replication system.

7. The computer program product of claim 6 the computer executable program code further executed to perform:

supporting replication from geographically disperse sites, to the replication site;

wherein further virtual clusters are created at each geographically disperse site of the geographically disperse sites;

selecting a subset of the replication appliances from the replication cluster at the geographically disperse site;

creating for each site of the geographically disperse sites a virtual cluster at the replication site out of the set of replication appliances of the replication cluster the replication site; and

wherein the virtual replication system replicates from first virtual cluster on the production site to the second virtual cluster on the replication site.

8. The computer program product of claim 7 the computer executable program code further executed to perform:

creating a system view of the geographically disperse sites and the replication site;

wherein the system view presents the replication appliances at the geographically disperse sites and the replication site to a user; and

presenting the system view to a manager of the geographically disperse sites and the replication site.

9. The computer program product of claim 6 wherein a portion of the resources of a same replication appliance is assigned two of the virtual clusters.

10. The computer program product of claim 6 wherein a user of a virtual replication system is configured to access configuration and status of the portion of the replication appliances assigned to the virtual clusters forming the virtual replication system and is not able to access the portion of the replication appliances assigned to other virtual replication systems.

11. A system for data replication, the system comprising:

a production site;

a replication site;

one or more processor;

one or more memory; and

computer-executable program loaded in the one or more memory, wherein the computer-executable program executed across the one or more processors to perform;

creating a first virtual cluster at a production site;

wherein the production site has a cluster of replication appliances and wherein the first virtual cluster includes a subset of the replication appliances in the cluster of replication appliance at the production site;

wherein the-first virtual cluster of the replication appliances corresponds to portions of the cluster of replication appliances on the production site included in the first virtual cluster;

creating a second virtual cluster at a replication site including of a second subset of replication appliances in a second cluster of replication appliances at the replication cluster;

wherein the second virtual cluster corresponds to portions of the second cluster of replication appliances included in the second virtual cluster; and

creating a virtual replication system for a tenant including the first virtual cluster and the second virtual cluster and wherein the tenant is using the virtual replication system to replicate data of the tenant from the first virtual cluster on the production site to the second virtual cluster on the replication site;

wherein the tenant is given access to the virtual replication system;

wherein access to the virtual replication system provides the tenant with portions of the replication appliances included in the first virtual cluster and use the portions of the replication appliances in the second virtual cluster for replication of the data of the tenant without exposing the resources of the cluster of replication appliances on the production site and without exposing the resources of the cluster of the replication appliances on the replication site; and

wherein each virtual replication system has separated IO path and a separate control path, providing multi tenancy; and

wherein each replication appliance in the virtual replication system is assigned with a portion of resources of the replication appliance for use in the virtual replication system.

12. The system of claim 11 further supporting replication from geographically disperse sites, to the replication site;

wherein further virtual clusters are created at each geographically disperse site of the geographically disperse sites;

the computer-executable program logic further configured for execution of;

selecting a subset of the replication appliances from the replication cluster at the geographically disperse site;

creating for each site of the geographically disperse sites a virtual cluster at the replication site out of the set of replication appliances of the replication cluster the replication site; and

wherein the virtual replication system replicates from first virtual cluster on the production site to the second virtual cluster on the replication site.

13. The system of claim 11 wherein a portion of the resources of a same replication appliance is assigned two of the virtual clusters.

14. The system of claim 11 wherein a user of a virtual replication system is configured to access configuration and status of the portion of the replication appliances assigned to the virtual clusters forming the virtual replication system and is not able to access the portion of the replication appliances assigned to other virtual replication systems.

15. The system of claim 11 wherein the computer-executable program logic is executed to further perform:

creating a system view of the geographically disperse sites and the replication site;

wherein the system view presents the replication appliances at the geographically disperse sites and the replication site to a user; and

presenting the system view to a manager of the geographically disperse sites and the replication site.