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RAID Subsystems
Fibre Channel
to SAS (Serial
Attached SCSI)
Fibre to Fibre
Fibre Channel
to SAS / SATA RAID
Fibre Channel
to SATA RAID
A24F-R2430 RAID
A16F-R2221 RAID
A12F-G2221 RAID
Connectivity
4Gbit Fibre Channel Switches
2Gbit Fibre Channel Switches
4Gbit Fibre Channel Adapters
SAN Software
Clustered Filesystem
Volume Management
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AV-STOR AV-A12F/AV-08F-G2221
2U Profile, 12 or 8 drive
Single Controller
Dual 2Gbit Fibre Host Channels
sATA-II RAID Subsystem
The AV-STOR's RAID functionality is unmatched in the industry in terms of its wide variety of array configuration, maintenance, and monitoring capabilities.
The AV-STOR AV-A12F-G2221 and AV-A08F-G2221 subsystems provide two FC-2G host channels with 12 or 8 drive bays for SATA-II disk drives in a smartly managed enclosure. The subsystem combines massive storage capacity with SATA-II benefits, such as high performance and dedicated bandwidth, in a safe environment where the highest level of data availability is assured.
High throughput is available by segregating I/O traffic across the separate PCI-X buses, while IOPs performance is delivered through the internal buffer on the XOR engine and CPU with the help of intelligent firmware algorithms.
Available models
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MODELS
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CONTROLLER
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CHANNELS
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DRIVES
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CAPACITY |
| AV-A12F-G2221-500 |
Single Controller |
FC-2G x 2 |
12 x 500GB SATA-2 with NCQ |
6.00TB
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| AV-A12F-G2221-400 |
Single Controller |
FC-2G x 2 |
12 x 400GB SATA-2 with NCQ |
4.80TB
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| AV-A12F-G2221-300 |
Single Controller |
FC-2G x 2 |
12 x 300GB SATA-2 with NCQ |
3.60TB
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| AV-A12F-G2221-250 |
Single Controller |
FC-2G x 2 |
12 x 250GB SATA-2 with NCQ |
3.00TB
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| AV-A08F-G2221-500 |
Single Controller |
FC-2G x 2 |
12 x 500GB SATA-2 with NCQ |
4.00TB
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| AV-A08F-G2221-400 |
Single Controller |
FC-2G x 2 |
8 x 400GB SATA-2 with NCQ |
3.20TB
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| AV-A08F-G2221-300 |
Single Controller |
FC-2G x 2 |
8 x 300GB SATA-2 with NCQ |
2.40TB
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| AV-A08F-G2221-250 |
Single Controller |
FC-2G x 2 |
8 x 250GB SATA-2 with NCQ |
2.00TB
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Highlights
- RAID5 configuration end-to-end I/O performance
- Sequential Read: 362 MB/sec
- Sequential Write: 250 MB/sec
- Two FC-2G channels, transfer rate up to 200MB/sec per channel
- Single RAID controller providing complete RAID functionality
- Modular, high redundancy enclosure design
- High density 2U chassis providing up to 4.8TB of storage capacity
- Optional, hot swappable battery backup unit (BBU)
- Highest density in 3U chassis providing up to 6.4TB storage capacity
- Dual speed cooling fans to reduce system noise and power consumption
- Easy management through the LCD keypad, RS-232 Terminal or Java based RAID manager over the internet
Availability
Almost every major component in the AV-A12F-G2221 and AV-A08F-G2221 subsystem is hot swappable. Two redundant, dual speed, dual fan cooling modules supply sufficient airflow with minimal sound. The two redundant 350W power supply units provide stable electric power, and the dual speed cooling fans provide quiet operation with unsurpassed reliability in today's most extreme storage environments.
Serviceability
The completely cableless, backplane based design eliminates problems associated with cable connections and offers a higher level of serviceability and hot swappability. All field replaceable units (FRUs) are conveniently accessible from the front or rear of the subsystem to ensure easy system maintenance. Each module has its own set of LEDs that immediately indicate the status of the subsystem.
Manageability
A variety of management interfaces are available. The array can be accessed through the LCD keypad panel, RS-232C terminal, telnet, or remotely through the Java RAID manager. The RAID manager provides "Install Once, Run Anywhere" convenience with a graphical user interface.
Users are constantly aware and automatically notified of array status using any or all of the following notification methods:-
- email
- fax
- LAN broadcast
- SNMP traps
- MSN Messenger
- ICQ
- SMS messages
Intelligent Drive Handling
- Media Scan: repairs data stored on bad drive sectors from adjacent stripes
- Task Scheduler: hands free, pre scheduled Media Scan operation on disk drives
- Replaces or clones drives showing SMART detected defects
- Manually clones of disk drives showing defects
- Verifies data after normal writes, rebuild writes, or Logical Drive initialisation
Adaptive Write Policy (Write-back/Write-through)
- Optimises writes performance on receiving sequential write requests using the Write-through mode and temporarily disables synchronised cache communications
- Automatically switches policy to adapt to random or sequential I/O requests
Guaranteed Latency I/O
- Designed for "no drop-frame" applications such as video streaming
- Fast return of read requests by generating data from adjacent stripes when a drive fails or bad sectors cause delays
Major Markets and Uses
Avante Digital products are used in server-attached and networked data storage in major industries such as medical imaging, multimedia on demand (MOD), and digital media including video-on-demand, stream editing and more
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Specifications
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| Subsystem Characteristics |
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High Availability |
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| 400Mhz RISC CPU, 256KB L2 Cache |
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Redundant, hot swappable FRU's |
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| ASIC 266 RAID Engine |
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Subsystem self diagnostics |
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| Single RAID Controller |
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Independent host I/O modules |
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| 256MB to 1GB DDR RAM |
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Independent expansion I/O Modules |
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| Optional BBU per controller |
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Battery backup units |
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UPS status detections |
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Hot-spare disk drives |
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| LCD keypad panel |
1
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Cluster ready |
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| COM ports per controller |
2
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| 10/100 Ethernet port per controller |
1
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Management Software |
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| Diagnostics LEDs on all FRUs |
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Java GUI Software |
Yes
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Terminal via RS-232C |
Yes
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| Drive Interface |
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Telnet over Ethernet |
Yes
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| Number of disk trays |
12/8
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LCD keypad panel |
Yes
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| SATA-II (backward compatible to SATA-I) |
Yes
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Event notification methods |
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Email |
Yes
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| Host Connection ports |
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Fax |
Yes
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| SFP ports to optical fibre |
2
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LAN broadcast |
Yes
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| Data single channel bandwidth |
200MBps
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SNMP traps |
Yes
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| Auto negotiate (1Gbps, 2Gbps) |
Yes |
Cell phone message |
Yes |
| F_Port, FL_port |
Yes |
Instant messages |
Yes |
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| Raid configuration |
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OS Support |
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| RAID levels 0, 1(0+1), 3, 5, 10, 30, 50, JBOD |
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Microsoft Windows NT |
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| Max 128 logical drives |
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Microsoft Windows 2000 Server |
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| Max 1024 LUNs |
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Microsoft Windows 2003 Server |
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| Multiple array configurations |
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Sun Solaris ver 8/9/10 |
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| Automatic background rebuild |
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SGI IRIX >6.5.7 |
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| Smart technologies |
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Mac OS-X 10.2, 10.3, 10.4 |
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Linux (2.4 & 2.6 Kernels) |
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| Requirements |
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| AC Input |
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Dimensions |
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| 240VAC at 5A; 100VAC at 10A with PFC |
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2U, 19 inch rackmount chassis |
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| (auto switching) |
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Without handles: |
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| Relative Humidity: |
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446(w) x 88(h) x 490(d) |
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| 5 to 95% non-condensing |
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With handles: |
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| Operating Temperature: |
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482.6(w) x 88(h) x 505(d) |
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| 0 to 40 degrees centigrade |
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