Download IBM Spectrum Scale (formerly GPFS)

Type of access
VMware
Operating
system
distribution
Configuration
Spectrum Scale
nodes with direct
disk access.
VMware
ESX 5.1 or
higher.
Supported only
with RHEL 6.2, or
higher, and SLES
11 SP2, or higher.
Pass-through Raw
Device Mapping
(RDM) with
physical
compatibility
mode.
Limitations
vShere vMotion is
not supported.
vSphere FT is not
supported.
Use of Persistent
Reserve is not
supported.
VMDK disks are
not supported
since EIO errors
are not passed
from ESX host to
guest in APD (all
paths down)
condition.
Note: For details about how to configure RDM, refer to Section 14.3 Raw Device Mapping
with Virtual Machine Clusters at:
http://vmw.re/1yw6BkP
1.7.3 Virtualization on Windows operating systems
Spectrum Scale on Windows operating systems is also supported for virtual environments.
Some restrictions might be applied depending on the configuration used, specially for disk
access. More information is described in Chapter 2, “Infrastructure planning and
considerations” on page 29.
Regarding the use of VMware for virtual Linux environments, the following combinations are
observed as shown in Table 1-8.
Table 1-8 HyperV supported configurations
Type of access
HyperV
Operating system
distribution
Limitations
Spectrum Scale nodes
with no direct disk
access.
Windows
2008R2.
Windows 2008R2,
Windows 2008R2, and
Windows 7.
HyperV Live migration is not
supported.
Spectrum Scale nodes
with direct disk access.
None
None
None
Some additional configurations can be supported if using VMware for virtual Windows
operating system environments as shown in Table 1-9 on page 28.
Chapter 1. Introduction
27