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Seagate Exos® Plus SupremeRAID™: Complete Data Protection At Twice the Performance

概述

For years hard disks have been widely used in various scenarios, but while hard disk capacity continues to increase, performance density has not improved. However, many current-day applications require both better performance and the benefits of hard disk storage.

Unfortunately, most hard disk products currently on the market can’t meet the needs of such applications. Alternatively, users may switch to SSDs, but at a much higher cost of acquisition. In response to this demand, Seagate has launched Exos® 2X14 with its unique MACH.2 technology. This technology can provide twice the performance of traditional hard disks under the same hard disk volume and storage space.

Additionally, when combined with Graid SupremeRAID™, a high-speed data protection solution developed by Graid Technology, users can fully utilize the performance of Seagate Exos® 2X14 while providing excellent data protection.

最佳应用

  • 超大型应用/云端数据中心
  • 庞大的向外扩充数据中心
  • 內容递送网络
  • 高带宽串流应用
  • 安全监控集中储存
  • 大数据应用
  • 企业邮件服务器
  • 企业备份和恢复 — D2D、虚拟磁带

Seagate Exos® 2X14

Seagate 硬盘锁定超大规模数据储存市场,专门制造超大容量需求的硬盘。 Seagate® X 稳坐同级别效能最高的硬盘,Exos® 2X14 企业双读写头硬盘采用 MACH.2™ 技术,可提升企业级3.5 英寸硬盘对比于单一读写头高达 2 倍的效能。

最高性能机架空间运用 :

  • MACH.2 技术提升企业级3.5 英寸硬盘对比于单读写头高达2倍效能
  • 最高硬盘容量为14TB,适合在云数据中心和数据中心大规模横向扩展应用
  • 14TB 容量由两个独立7TB寻址单元组成
  • PowerBalance™功能优化每秒IO传输量所产生的功率消耗
  • 氦气密封设计技术,降低功耗及重量,有效降低成本
  • 新世代氦气密封焊接技术,预防氦气泄漏以增加稳定性
  • 数字传感器得以监控硬盘内部情况,提供卓越运行与效能
  • 最佳运行效能
  • 最新的封装技术,支持极端温度条件下数据读写头及总线的速度
  • 5 年保修及250万小时平均寿命。 可靠的企业级产品提供给企业用户绝佳的选择

* 当同时操作两个执行器时

Graid SupremeRAID™

While traditional RAID technology has become the bottleneck of solid state drives (SSD), Graid Technology has developed a disruptive software plus hardware solution to unlock the performance bottleneck of RAID protection for high-speed storage devices.

Graid SupremeRAID™ works by installing a virtual NVMe controller onto the operating system and integrating a PCIe device into the system that is equipped with a high-performance AI processor to handle all RAID operations of the virtual NVMe controller.

方案的优点:

  • 完整呈现 NVMe 效能: 以 600 万每秒的 IO 速度及 100 GB 每秒的数据传输量,大大领先业界效能水平。
  • 不同于传统软体磁盘阵列卡,SupremeRAID™卡透过自身的演算效能处理磁盘阵列功能,不需要消耗CPU效能。
  • 大量的CPU资源。
  • 突破传统硬体磁盘阵列卡的瓶颈,像是阵列卡的演算效能、PCIe带宽限制、NVMe固态硬盘所支持的数量限制以及备援电池的维护成本。
  • 即插即用: SupremeRAID™磁盘阵列卡不需要将存储装置连接到卡上,NVMe固态硬盘直接透过PCIe 总线链接到CPU 即可。并且同时可支持各类存储设备接口,如SATA、SAS、U.2、M.2或甚至是AIC接口。
  • 兼容于软件组合式扩展架构(SCI): 透过 iSCSI 或 NVMeoF 连接到外接的存储硬盘。
  • 开发弹性大: 软件架构基础易于开发,如压缩、加密与空间精简分配等新功能可以轻松的扩展性。

测试计划

This white paper will use 4 Seagate Exos® 2X14 drives and a Graid SupremeRAID™ adapter to test performance in two common application scenarios:

  • 以4颗Seagate Exos® 2X14的8个逻辑分割区建立一个RAID-0,提供56TB的存储空间容量
  • 以4颗Seagate Exos® 2X14的8个逻辑分割区建立2个RAID-5、具独立容错区,提供42TB的存储空间容量,并容许1台硬盘故障。

组成关系图如下:

测试结果

Seagate使用FIO(Flexible I/O Tester) 测试在Linux系统中的磁盘性能。 设置4k随机读写性能测试,由四个Seagate Exos® 2X14所建立的RAID-0组,测试出1,408 IOPS随机读取和1,507 IOPS随机写入能力。 我们也针对1M储存大小的连续读写能力做测试,测试出 1,874 MB 每秒读取数据的传输量和1,868 MB每秒写入数据的传输量。 测试结果都很接近由4个Seagate Exos® 2X14所建立的RAID-0理论数值。

此外,4个Seagate Exos® 2X14所建立的2个RAID-5组,以提供1,416 IOPS的4k随机读取和380 IOPS的4k随机写入能力。 考虑到RAID-5的写惩的机制,可以看出RAID-5的性能表现也非常接近理论数值。

总结

Graid SupremeRAID™ is the first-generation high-speed data protection solution developed by Graid Technology. Through innovative software and hardware integration technology, it can be easily combined with Seagate Exos® 2X14. From the test results, you can see that compared with other commercially available 14TB hard drives and RAID solutions, Graid SupremeRAID™ combined with Seagate Exos® 2X14 can provide users with twice the read and write performance under the same space and protection level.

Graid Technology Inc. is headquartered in Silicon Valley, California with an R&D center in Taipei, Taiwan, and is composed of a dedicated team of experts with decades of experience in the SDS, ASIC and storage industries. Contact us to learn more: call 1 (866) GRAID-10, email info@graidtech.com, or visit graidtech.com today.

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