LSI MegaRAID SAS 8708EM2
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|MegaRAID SAS 8708EM2
|MegaRAID SAS 8708EM2
MegaRAID SAS/SATA Value Line Series
機能
- Eight internal SAS/SATA ports
- Two mini-SAS 4i connectors (SFF8087)
- 3Gb/s throughput per port
- LSISAS1078 RAID on Chip
- 500MHz PowerPC
- Hardware RAID 5 & 6 engine
- x8 PCI Express Host Interface
- 128MB 667MHz DDRII cache memory
- Optional battery backup module
- Direct attach
- Rated 72 hours
- Connect up to 16 SAS and/or SATA drives
- RAID levels 0, 1, 5 and 6
- RAID Spans 10, 50 and 60
- Auto-resume on array rebuild
- Auto-resume array reconstruction
- Online Capacity Expansion (OCE)
- RAID Level Migration (RLM)
- Import foreign arrays
- MegaRAID Entry, Value, Feature and IR supported
- Create 64 logical volumes
- Up to 64TB LUN support
- Comprehensive management tools
- Extensive online configuration options
- Advanced monitoring and event notification
ベンチマーク
テスト環境
【CPU】AMD Phenom 9850BE
【MEM】DDR2-667 8GB
【M/B】Jetway HA06
【OS】Windows Vista Ultimate SP1 64bit
【Array】RAID5
【HDD】WesternDigital WD10EACS × 8
【FileSystem】NTFS@GPT
【Capacity】6.35 TB
【Usage】0%
【MEM】DDR2-667 8GB
【M/B】Jetway HA06
【OS】Windows Vista Ultimate SP1 64bit
【Array】RAID5
【HDD】WesternDigital WD10EACS × 8
【FileSystem】NTFS@GPT
【Capacity】6.35 TB
【Usage】0%
CrystalDiskMark 2.1.4 (Test Size:1000MB)
Write Back
| Sequential Read | : | 336.028 | MB/s |
| Sequential Write | : | 375.609 | MB/s |
| Random Read 512KB | : | 41.755 | MB/s |
| Random Write 512KB | : | 51.078 | MB/s |
| Random Read 4KB | : | 2.100 | MB/s |
| Random Write 4KB | : | 3.810 | MB/s |
Write Through
| Sequential Read | : | 303.407 | MB/s |
| Sequential Write | : | 36.984 | MB/s |
| Random Read 512KB | : | 41.310 | MB/s |
| Random Write 512KB | : | 19.128 | MB/s |
| Random Read 4KB | : | 2.168 | MB/s |
| Random Write 4KB | : | 0.638 | MB/s |
HD Tune 2.55
Write Back
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