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Model Description |
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P300H is the latest iSCSI-SAS redundant RAID controller built around Qsan innovative RAID/iSCSI stack, featuring industry-leading performance. With Qsan P300H installed, the storage solutions can provide users for dual active protection, high bandwidth cache mirroring, seamless management, multiple target nodes, high availability/ load-balancing, and high performance. Qsan redundant controllers provide active-active controller configuration, and don't compromise to the performance. With 8 Gigabit Ethernet ports per system connected to the hosts, either working independently or MPIO together, Qsan lab data shows up to 200,000 IOPS and 800MB/sec. At drive-side P300H supports SAS drives, thus SATA compatible. Not only it supports up to 24 drives in single enclosure, there is a SAS JBOD expansion port. P300H is also built in with writeable snapshot, VSS, hot pluggable battery backup module, and etc which to prevent single point of failure. |
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Feature Highlights |
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- Hardware iSCSI offload engine inside
- Better performance, when comparing to other competitors' products in the same segment
- Dual-active configuration support
- Cache mirroring through high bandwidth channels
- Flexible RAID group (RG) ownership management
- Each RG can be assigned to one of the two P300H controllers
- Each LUN can be exported from both P300H controller
- Management port seamless take-over
- The management port can be transferred smoothly to the other controller with the same IP address
- Online FW upgrade, no system down time
- Backward compatible to P210C volume configurations
- Front-end 4 GbE NIC ports with high availability/load balancing/fail-over support
- Microsoft MPIO, MC/S, Trunking, LACP, & etc.
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- Multiple target iSCSI nodes per controller support
- Each LUN can be attached to one of 32 nodes from each controller
- SBB Compliant
- iSCSI jumbo frame support
- RAID 6, 60
- QSnap w/o relying on host software
- Up to 128 sessions support
- Host access control
- Configurable N-way mirror for high data protection
- On-line volume migration with no system down-time
- HDD S.M.A.R.T. enabled for SATA drives
- iSCSI header/data digest support
- SATAII drive Backward-compatible (Optional)
- SAS JBOD expansion support
 Green power saving support
- Disk auto spindown
- Advanced cooling mechanism
- Hot pluggable BBM support (Optional)
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Performance Per System |
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| Read, Write |
850 MB/sec, 700 MB/sec |
| IOPS |
200,000 IO/sec (Dual), 120,000 IO/sec (Single) |
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Controller Components |
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- SBB-compliant controller form factor
- CPU: Intel Xscale IOP 81342 1.2GHz (Chevelon dual core)
- Memory: 2GB ~ 4GB DDRII 533 DIMM support
- UARTs: support for serial console management and UPS
- Fast Ethernet port: for Web-based management use
- Backend: Up to 24 SAS 3.0Gb/s, or SATA 1.0, 1.5Gb/s or SATA 2.0, 3Gb/s disks support
- Front-end: Four GbE ports per controller
- LCM support for easy management use
- SAS JBOD expansion port for capacity expansion
- QMUX board support for SATA drives (Optional)
- Hot pluggable battery backup module 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 1024 logical volumes in the system
- Up to 32 PDs can be included in one RAID group
- QSnap: built-in Qsan writable snapshot feature
- Up to 32 QSnap for one logical volume
- Up to 16 logical volumes can be setup with QSnap function
- Rollback mechanism
- Microsoft VSS compliant
- Global and dedicated hot spare disks
- Write-through/Write-back cache policy for different application usage
- Multiple RAID volumes support
- Configurable RAID stripe size
- Online volume expansion
- Instant RAID volume availability
- Auto volume rebuilding
- On-line volume migration
- On-line disk roaming
- Instant volume configuration restoration
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Advanced Data Protection |
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- Dual-active controller configuration
- Cache mirroring
- QSnap utility
- Microsoft Windows Volume Shadow Copy Services (VSS) support
- Local N-way mirror
- On-line array roaming
- Hot pluggable battery backup module support (Optional)
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Enclosure Monitoring |
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- S.E.S. support for standard enclosure management
- UPS management via the specific serial port
- Fan speed monitoring fan x 3~5
- Redundant power supply monitor
- 3.3V, 5V and 12V voltage monitor
- Thermal sensors x 5 on the controller board
- Thermal sensor x 3 (up to 24) in enclosure.
- Status report of the managed SAS/SATA JBODs
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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
- CHAP authentication mechanism support
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Host & Drive Connection |
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- 8 x GbE ports support independent access, fail-over or load-balancing (802.3ad port trunking, LACP) for one high-availability iSCSI subsystem empowered by P300H.
- MC/S feature support over the four NIC ports
- Microsoft Multipath IO (MPIO) support
- iSCSI jumbo frame support
- CHAP authentication enabled
- iSCSI multiple target mode support: 32 multiple nodes support
- SCSI-3 compliant
- Multiple IO transaction processing
- Tagged command queuing
- Access control: Read-Write & Read-Only
- S.M.A.R.T. enabled for SATA drives
- Up to 128 sessions
- Up to 16 hosts clustered for one volume
- Compatible with Windows, Linux, Solaris, & MAC Operation Systems
- iSCSI Data/Header digest support
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P300H 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, 3U16 and 4U24. |
4U24 Front |
4U24 Rear |
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Specification Highlights |
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- High availability and high performance backplane solutions
- Redundant and hot pluggable/swappable key components
- RAID controllers
- Power supplies
- Fan modules
- Battery backup modules
- LCM/LCD display and operation
- System LED indicators
- 16, 24 disks support
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