SLIDE 1
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SATA Series y Introduction w w w .easyRAID.com - 1 - Innovative - - PowerPoint PPT Presentation
SATA Series y Introduction w w w .easyRAID.com - 1 - Innovative - - PowerPoint PPT Presentation
SATA Series y Introduction w w w .easyRAID.com - 1 - Innovative Innovative SMART Correction SMART Correction Functions Functions Disk Self Test Disk Scrubbing SMART/Disk clone w w w .easyRAID.com - 2 - SMARTCor. Functions -1
SLIDE 2
SLIDE 3
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- SMARTCor. Functions -1
- SMARTCor. Functions -1
DST (Disk Self Test)
Judge the healthy situation of the HDDs in easyRAID RAID directly
LCD Hyper Terminal
Before configuring easyRAID RAID
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- SMARTCor. Functions -2
- SMARTCor. Functions -2
Disk Scrubbing (DS)
Run-time data parity checking Run-time data re-generate and white-back when parity error (WR back to the same address,
HDD do the remap)
Bad blocks remapped in advance Largely reduce the frequency of “bad block remap” message from RAID controller
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- SMARTCor. Functions -3
- SMARTCor. Functions -3
Smart / Disk cloning
SMART for HDD health monitoring 1 spare HDD to clone “un-healthy” HDD reported Switch to this cloned HDD when this un-healthy HDD fails. Use 2 HDDs – 1 for parity, 1 for cloning, for data fault
- tolerant. Same number as R6
Better performance than R6, no performance penalty
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BBM Function BBM Function
BBM (Battery Backup Module)
Keep the power to the cache on RAID when power outage
Output voltage : 3.3V +/- 2%
512MB SDRAM/DDR = 100hrs 1 GB SDRAM/DDR = 72hrs
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S8-U4TT Disk Array System S8-U4TT Disk Array System
CPU ：Intel i80321 RISC (600MHz) RAM ：256MB ~ 1GB DDR RAM RAID Level ：0, 1, 0+1, 3, 5, 30, 50, NRAID, JBOD Host Interface ：Ultra320 LVD SCSI / 2Gb FC Disk Interface ：Serial ATA x 8 Power Supply ：300W x 2 Hot Swappable：HDD tray, Power Supply, Fan SMARTCor. ：DST, Disk Scrubbing, Disk Cloning Other Features：Background Initialization, BBM
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CPU ：Intel i80321 RISC (600MHz) RAM ：256MB ~ 1GB DDR RAM RAID Level ：0, 1, 0+1, 3, 5, 30, 50, NRAID, JBOD Host Interface ：Ultra320 LVD SCSI / 2Gb FC Disk Interface ：Serial ATA x 8 Power Supply ：300W x 2 Hot Swappable：HDD tray, Power Supply, Fan SMARTCor. ：DST, Disk Scrubbing, Disk Cloning Other Features：Background Initialization, BBM option
S8-U4R2 Disk Array System S8-U4R2 Disk Array System
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CPU ：Intel i80321 RISC (600MHz) RAM ：256MB ~ 1GB DDR RAM RAID Level ：0, 1, 0+1, 3, 5, 30, 50, NRAID, JBOD Host Interface ：Ultra320 LVD SCSI / 2Gb FC Disk Interface ：Serial ATA x 16 Power Supply ：300W x 3 Hot Swappable：HDD tray, Power Supply, Fan SMARTCor. ：DST, Disk Scrubbing, Disk Cloning Other Features：Background Initialization, BBM option
S16-U4R4 Disk Array System S16-U4R4 Disk Array System
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System Performance System Performance
332.53 274 274
Rebuild Rate (MB/Sec)
589 292 292
Initial Rate (MB/Sec)
6 4.5 4.5
Scrub Time (Hr.)
3.13 1.65 1.65
Rebuild Time (Hr.)
1.41 1.2 1.2
Clone Time (Hr.)
1.77 1.55 1.55
Initial Time (Hr.)
3750 1750 1750
Total Capacity (GB)
ERS16-U4R4/ ERS16-F2R4 ERS8-U4R2/ ERS8-F2R2 ERS8-U4TT/ ERS8-F2TT ＊REMARK：One RAID set, RAID level 5, Total Capacity = (N-1) * 250