GR Multipath Driver
Provides path failover and load balancing functionalities for Solaris, Windows NT® 4.0, Windows® 2000, and Linux environments
Fujitsu's GR Multipath Driver provides high availability and high performance path fail-over and load balancing across multiple connections between an ETERNUS storage system and a server. In the event of a connection path failure, non-stop operation is assured as the GR Multipath Driver software automatically switches traffic to the alternate path(s). In addition, the Load Balance feature enables optimized application response by distributing all I/O requests evenly across all available paths.
- Path failure management
If one path fails GR Multipath Driver software automatically switches paths, ensuring non-stop operation. - Load balancing for higher performance
Load Balancing is achieved by distributing the I/O requests evenly across all available multiple paths. The result is optimized application response.

Note: The Load Balance feature is available with ETERNUS3000 (in 4-path configuration), GR730 (in 4-path configuration), and GR740, GR820, GR840, ETERNUS6000, storage systems.
Descriptions
The GR Multipath Driver is offered in the following three types. For the newer OS versions that GR Driver does not support, ETERNUS Multipath Driver is available.
| Products | Support Storage Systems |
|---|---|
| GR Multipath Driver for Entry Model | ETERNUS3000 model 50, 80, 100 ETERNUS GR710 |
| GR Multipath Driver for Standard Model | ETERNUS6000 (*Note 1) ETERNUS3000 ETERNUS GR710, GR720, GR730 ETERNUS GR740 (*Note 1) ETERNUS GR820 (*Note 1) ETERNUS GR840 (*Note 1) |
| GR Multipath Driver for Enterprise Model | ETERNUS6000 ETERNUS3000 ETERNUS GR710, GR720, GR730 ETERNUS GR740, GR820, GR840 |
Note 1: With the Solaris version, up to two paths can be connected.
The Windows/ Linux version can not support any path connection.
The GR Multipath Driver is available in the following operating environment.
| OS | Server |
|---|---|
| Solaris™ 2.6 OS, Solaris™ 7 OS, Solaris™ 8 OS, Solaris™ 9 OS | PRIMEPOWER GP7000F |
| Windows NT® Server 4.0 (SP6a or later) Windows NT® Server Enterprise Edition 4.0 (SP6a or later) Windows® 2000 Server (SP2 or later) Windows® 2000 Advanced Server (SP2 or later) |
PRIMERGY, Other vendors' IA servers |
| Red Hat Linux 7.2 Professional Red Hat Enterprise Linux AS (Red Hat Linux Advanced Server 2.1) Red Hat Enterprise Linux ES (For supported kernel versions, please contact us.) |
PRIMERGY, Other vendors' IA servers |
Note: The GR Multipath Driver cannot be used in some forms of server connections or configurations. Please contact us for details.
