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Model Description |
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S120C is the SCSI-SATAII RAID controller built around Qsan innovative RAID stack. S120C is designed on-board to offer SCSI interface to host-side and drive-side up to 16 drives. At host-side two U320 SCSI ports connectible to two separate or clustered hosts. At drive-side S120C supports SATAI/SATAII drives. It requires customized backplanes for customers interested in design-in to existing chassis. |
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Feature Highlights |
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- 2 X SCSI ports w/ load-balancing & fail-over for high availability
- Multi-Path (MPIO)
- RAID 6, 60
- Configurable N-way mirror for high data protection
- On-line volume migration
- SATAI drive Backward-compatible
- Global/dedicated cache
- QSnap
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- Clustering
- Web UI management
- Quick installation
- SAF-TE inband monitor
- Complete notifications through multiple interfaces
- UPS & BBM protection
- Disk auto spindown
- Batch configuration & system configuration export
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Outstanding IO Performance |
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| Port Number |
Non-Cache Hit Throughput |
| 1 SCSI port |
250MB/sec |
| 2 SCSI ports |
400MB/sec |
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Controller Components |
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- Intel IOP 81331
- 512MB ~ 1GB DDR 333 DIMM
- UARTs for serial console management and UPS
- Dedicated Fast Ethernet port For Web-UI
- Backend: Up to 16 SATA 1.0, 1.5Gb/s or SATA 2.0, 3Gb/s disks
- Front-end: 2X U320 SCSI ports
- LCM supported for easy management use
- Battery backup support (Optional)
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RAID & Volume Operation |
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- RAID level: 0,1,0+1,3,5,6,10,30,50, 60 and JBOD
- Up to 256 logical volumes in the system
- Global and dedicated hot spare disks
- Write-through or write-back cache policy for different application usage
- Dedicated or shared cache allocation for volume usage
- Multiple RAID volumes support
- Configurable RAID stripe size
- Online volume expansion
- Instant RAID volume availability
- Auto volume rebuilding
- On-line volume migration
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Advanced Data Protection |
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- QSnap – built in snapshot with rollback enabled
- Local N-way mirror
- Off-line array roaming
- Smart faulty sector relocation
- Battery backup support (optional)
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Enclosure Monitoring |
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- SAF-TE enclosure management
- UPS management via the specific serial port
- Fan speed monitoring
- Redundant power supply monitor
- Voltage monitor
- Thermal sensors on the controller board and in the enclosure.
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Management Interface |
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- Management UI via
- Serial console
- SSH telnet
- HTTP Web UI
- Secured Web (HTTPS)
- Event notification via
- Email
- SNMP trap
- Browser pop-up windows
- Syslog
- Windows Messenger
- Online system firmware upgrade mechanism
- Built-in LCD module to control most enclosure components
- iSNS & DHCP support
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Host & Drive Connection |
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- 2 x U320 SCSI ports support independent access, fail-over, or load-balancing
- Microsoft Multipath IO (MPIO)
- SCSI-3 compliant
- Multiple IO transaction processing
- Tagged command queuing
- Access control in LUN usage: Read-Write & Read-Only
- Hard drive S.M.A.R.T. enabled
- Compatible with Windows, Linux, & MAC Operation Systems
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S120C Reference Designs |
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| Qsan focuses on RAID controller development while working with partners to deliver various RAID subsystems. For customers who need complete subsystems to resell, Qsan is able to refer to system partners who build comprehensive models around Qsan controllers available for choice. Please feel free to contact
sales@qsan.com.tw
for further business discussion. Currently Qsan resells the following subsystem models on regular basis, 2U8, 2U12, and 3U16. |
3U16 Front |
Rear |
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Specification Highlights |
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- Backplane solutions
- LCM/LCD display and operation
- System LED indicators
- 8, 12, 16 disks support
- Fan modules / Hot swap
- Redundant power modules / Hot swap
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