| RAID カード | 3ware Escalade 7450 |
| HDD | IBM Deskstar 120GXP IC35L120AVVA07 (123.5GB, 7200rpm) * 4 |
| RAID レベル | RAID 5, 10 |
| M/B | MSI MS-6163 |
| OS | Windows 2000 (SP3) |
| File システム | NTFS |
| CPU | Pentium3 850MHz |
| Memory | PC100 CL=2 768MB |
| test | score | ||
|---|---|---|---|
| RAID 5 | RAID 10 | ||
| Disk Transfer Rate | Beginning | 97400 KB/s | 91000 KB/s |
| End | 76300 KB/s | 64700 KB/s | |
| Disk Access Time | 13.2 ms | 11.1 ms | |
| test | score | |
|---|---|---|
| RAID 5 | RAID 10 | |
| Overall | 2960 KB/s | 5420 KB/s |
| test | score | |
|---|---|---|
| RAID 5 | RAID 10 | |
| Overall | 9530 KB/s | 18800 KB/s |
| AVS/Express 3.4 | 31900 KB/s | 31200 KB/s |
| FrontPage 98 | 19000 KB/s | 43000 KB/s |
| MicroStation SE | 16000 KB/s | 24100 KB/s |
| Photshop 4.0 | 5420 KB/s | 14700 KB/s |
| Premiere 4.2 | 7670 KB/s | 14300 KB/s |
| Sound Forge 4.0 | 10200 KB/s | 17500KB/s |
| Visual C++ 5.0 | 7000 KB/s | 12400 KB/s |
RAID 5 の Transfer Rate
RAID 10 の Transfer Rate
PCI バスがボトルネックになっているようです。
| テスト | 結果 | |
|---|---|---|
| RAID 5 | RAID 10 | |
| Drive Index | 53374 kB/s | 48664 kB/s |
| Buffered Read | 89 MB/s | 93 MB/s |
| Sequential Read | 89 MB/s | 78 MB/s |
| Random Read | 14 MB/s | 17 MB/s |
| Buffered Write | 18 MB/s | 31 MB/s |
| Sequential Write | 38 MB/s | 31 MB/s |
| Random Write | 4 MB/s | 13 MB/s |
| Average Access Time | 4 ms | 3 ms |
| test | Read | Write | RRead | RWrite |
|---|---|---|---|---|
| RAID 5 | 77399 | 33728 | 22715 | 3895 |
| RAID 10 | 62668 | 29207 | 32343 | 14543 |
RRead = RandomRead
RWrite = RandomWrite
RAID 5 の Random Write がやけに遅いけれど、単なるファイル置き場なのでランダムの性能はあんまり気にならないです。