(Linux only)
Veritas InfoScale now supports cluster configurations up to 128 nodes. The support is however limited to specific features for configurations beyond 64 nodes.
If you want to configure an InfoScale feature or capability (that is not mentioned in the following list) on clusters comprising more than 64 nodes, contact Veritas Technical Support.
The supported features are as follows:
Concatenated and striped volume layouts
Thin provisioning and thin reclamation
Veritas File Replicator (VFR)
Volume grow and shrink operations
Master switching and preference
Command shipping
Private region I/O shipping
Split and join operations on disk groups
Volume relayout
Hot relocation
SCSI-3 I/O fencing for avoiding network split brain
Data disk fencing for preventing I/Os from nodes that are not part of cluster
LLT over Ethernet
Online Co-ordination Point Replacement (SCSI-3 to SCSI-3 mode)
The unsupported features are as follows:
Mirrored volume layouts - mirror, concatenated mirror (concat-mirror), mirrored concatenated (mirror-concat), striped-mirror, mirror-stripe
Fast mirror resynchronization (FMR)
Volume snapshots
Veritas Operations Manager (VOM) for managing the cluster and storage environment
Veritas Volume Replicator (VVR)
Flexible Storage Sharing (FSS)
Campus cluster
Public region I/O shipping
CVM-DMP protocol support
Disk cloning
Auto-refresh feature of the Co-ordination Point agent
Customized fencing
LLT over UDP and RDMA
AdaptiveHA
Priority-based failover for service groups
Multi-site management
Virtual Business Services (VBS)
Docker Containers
Auto-Clear for service groups
MonitorOnly for service groups