yungtechen wrote:
可以公佈平台細節與價...(恕刪)
大概一年前買過類似
raid 卡 23000
sas線一條應該900 吧
硬碟大概 9000
不過那時原本要把卡插在 pci-e x16
卻發現只能插顯卡
最後插到 x4 去
【開箱】硬碟能有多快!? 1500MB/s極速達成 ～ Raid卡性能參考系列之一：LSI MegaRAID 9260-8i + 15K.7 SAS HDD RAID 0/5/6 測試
charliel wrote:
第一件包裝內除主板,...(恕刪)
第一件包裝的小金屬片是LSI 9260原廠附送的Low Profile短擋板
第三件小小的PCB是LSI CacheCade Hardware Key，雖插在LSI 9260上使用，是LSI 9260針對SSD作出優化的一項外加功能，仍選購品。LSI共有四項選購功能，稱作LSI Advanced Software，作用如下：
1. LSI MegaRAID FastPath software
LSI MegaRAID FastPath optimization software provides a high performance I/O accelerator, designed to dramatically boost transactional application throughput of multiple SSDs connected to a 6Gb/s SATA+SAS MegaRAID controller. MegaRAID FastPath software supports full optimization of SSD Virtual Disk groups to deliver a 3X improvement in read and write I/Os per second (IOPS) compared to the previous generation product.
2. LSI MegaRAID CacheCade software
LSI MegaRAID CacheCade software for tiered cache allows users to leverage SSDs in front of hard disk drives (HDDs) to create up to 512GB of controller cache. Using SSDs as controller cache allows for very large data sets to be present in cache to deliver up to a 50X performance improvement in read-intensive applications, such as file, Web, OLTP and database server. The solution is designed to provide a dramatic performance upgrade while only requiring a small investment in SSD technology.
3. LSI MegaRAID Recovery software
LSI MegaRAID Recovery software enhances file and boot-block/volume protection, empowering IT administrators with data retrieval and upgrade risk-management. Users can capture source volume data at designated Points-in-Time (PiT) and "restore " or "rollback" should accidental or malicious data deletion or infection occur. While traditional periodic off-hour backups continue to be the primary method for preventing complete data loss, MegaRAID Recovery software meets a growing need for more frequent restore points and reduced recovery times. By supplementing traditional backup methods with MegaRAID Recovery software, IT organizations can avoid unexpected downtime and greatly enhance their level of business continuity, data protection and restore capabilities.
4. LSI MegaRAID SafeStore software
Data security also has been enhanced utilizing MegaRAID SafeStore software. This feature, together with self-encrypting drives (SEDs), secures a drive's data from unauthorized access or modification resulting from theft, loss or repurposing of drives. Local key management in the controller is designed to protect data from security breaches with minimal cost and complexity. Another benefit of SafeStore software with SED drives is the ability to instantly and securely make data on disk drives unreadable, significantly reducing the time and cost associated with secure drive erasure.
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