IBM RS/6000 SP, Handbook

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Chapter 9. Software support
269
9.2.4 Migration
Upgrading to a new release of GPFS can be tested on a system currently
running GPFS. This eases migration by allowing the testing of a new level of
code without inhibiting the production GPFS application.
9.2.5 New in GPFS 1.4
GPFS 1.4 was announced to the public on December 22, 2000 and includes the
following enhancements:
򐂰
It supports concurrent data sharing in a cluster environment.
򐂰
Nodes may be added dynamically to a node set when using TCP/IP as the
communications protocol.
򐂰 GPFS 1.4 supports a single-node quorum in a two-node set.
򐂰 It gives you the capability to operate in an SP environment with directly
attached disks.
9.2.6 Software requirements
Table 9-2 shows the software requirements for GPFS 1.4.
Table 9-2 Software requirements for GPFS 1.4
AIX version PSSP version other software
4.3.3 or higher 3.2 or higher 򐂰
IBM Virtual Shared Disk
image
򐂰 Recoverable Virtual
Shared Disk image