At NERSC, a series of benchmarks were run using a Texas Memory RAM-SAN. These benchmarks were done within our PROBE environment . PROBE is a joint HPSS research and devlopment project between Oak Ridge National Laboratory's Computer Science and Mathematics Division and NERSC at the Lawrence Berkeley National Laboratory. The NERSC Parallel Distributed Systems Facility (PDSF) was used for the client side of the HPSS testing.
A series of three different benchmarks were run and the results are presented in this set of web documents. Initial baseline timing benchmarks were run using the UNIX utility dd. To benchmark transactional performance we used the Encina database system that is used by HPSS. The final benchmarks used HPSS from the PDSF system across jumbo gigE.
The hardware configuration used for the benchmarks run at NERSC were:A diagram is available which shows the PROBE configuration.
| Texas Memory System | Memory | Fibre Interfaces | LUNs |
|---|---|---|---|
| RAM-SAN | 16GB | 4 | 4 (each 4GBs) |
| PROBE Systems | S | R | E |
|---|---|---|---|
| Machine type | IBM H70 | IBM M50 | IBM M50 |
| Processors | 4 | 4 | 4 |
| Memory | 1GB | 1GB | .75GB |
| Emulex Fibre Adapters | 4 LP8000 | 2 LP8000 | 1 LP8000 |
| OS | 4.3.3 | 4.3.3 | 4.3.3 |
| GigE Adapters (Jumbo packets) | 2 | 1 | 1 |
| Misc. PROBE Equip. | |
|---|---|
| Brocade Silkworm 2400 (FC switch) with Switch Management Software | |
| GigE Switch |
| PDSF Systems | pdsf 151 | pdsf 152 | pds 153 | pdsf 154 | pdsf 156 | pdsf 157 | pdsf 158 | pdsf 159 | pdsf 160 | pdsf new |
|---|---|---|---|---|---|---|---|---|---|---|
| Machine type | Pentium III / 1 GHZ | Pentium III / 1Ghz | Pentium III / 1Ghz | Pentium III / 1Ghz | Pentium III / 1Ghz | Pentium III / 1Ghz | Pentium III / 1Ghz | Pentium III / 1Ghz | Pentium III / 1Ghz | Pentium III / 850 Mhz |
| Processors | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Memory | 2GB | 2GB | 2GB | 2GB | 2GB | 2GB | 2GB | 2GB | 2GB | 512MB |
| OS (Linux) | RH 6.1 | RH 6.1 | RH 6.1 | RH 6.1 | RH 6.1 | RH 6.1 | RH 6.1 | RH 6.1 | RH 6.1 | RH 6.1 |
All systems were connected to the Extreme 5I Gigabit switch via copper Syskonnect Cards. All systems were configured with jumbo GigE. The file systems for pdsflx151-pdsf160 was an ext2 filesystem on 4 75GB IBM Deskstar Drives. The file system for pdsflxnew was an ext2 filesystem on a 15 drive x 31GB Raidzone Raid5 disks.
