Description
Product overview of 43W4280 IBM Serveraid MR10k PCI-E
The 43W4280 IBM ServeRAID MR10k is a RAID (Redundant Array of Independent Disks) controller card that provides hardware-based RAID support for servers. It is designed to support SAS (Serial Attached SCSI) and SATA (Serial ATA) hard drives and solid-state drives. In this article, we will discuss the features and benefits of the IBM ServeRAID MR10k controller card and how it can improve the performance and reliability of your server.
RAID Technology Before
The specifics of the IBM ServeRAID MR10k controller card, let’s first discuss what RAID technology is and how it works. RAID is a technology that allows multiple hard drives to be combined into a single logical drive. The purpose of RAID is to improve performance, reliability, and data redundancy. There are several RAID levels, each with its own benefits and drawbacks. The most common RAID levels are RAID 0, RAID 1, RAID 5, and RAID 10.
RAID 0 is the simplest form of RAID and provides improved performance by striping data across multiple hard drives. However, it does not provide any data redundancy, which means that if one drive fails, all data is lost.
RAID 1 provides data redundancy by mirroring data across multiple drives. If one drive fails, the other drive(s) can continue to function without any data loss. However, RAID 1 does not provide any performance improvement.
RAID 5 provides both improved performance and data redundancy. It stripes data across multiple drives and uses parity information to provide data redundancy. If one drive fails, the other drives can continue to function and the missing data can be reconstructed using the parity information.
RAID 10 is a combination of RAID 1 and RAID 0. It provides both improved performance and data redundancy by mirroring data across multiple drives and striping the mirrored data.
IBM ServeRAID MR10k Features
The IBM ServeRAID MR10k controller card provides hardware-based RAID support for SAS and SATA drives. It supports RAID levels 0, 1, 5, 6, 10, 50, and 60, which provides flexibility for different types of applications. It also provides battery backup for the cache memory, which ensures that data in the cache is not lost in the event of a power failure.
The IBM ServeRAID MR10k also supports online capacity expansion and online RAID level migration. Online capacity expansion allows you to add more drives to the RAID array without shutting down the server. Online RAID level migration allows you to change the RAID level of the array without losing any data.
The controller card has a PCI Express interface, which provides high-speed data transfer between the controller and the server. It also has a SAS/SATA interface for connecting SAS and SATA hard drives and solid-state drives. The controller card supports up to 16 SAS or SATA drives, which provides plenty of storage capacity for most applications.
The IBM ServeRAID MR10k also provides advanced data protection features, including data encryption and disk scrubbing. Data encryption ensures that data on the hard drives is secure by encrypting it before it is written to the disk. Disk scrubbing checks the integrity of the data on the hard drives and repairs any errors that are found.
Benefits of the IBM ServeRAID MR10k
The IBM ServeRAID MR10k provides several benefits for servers, including improved performance, data redundancy, and data protection. By using hardware-based RAID, the controller offloads the RAID processing from the server’s CPU, which improves server performance. The controller also provides improved data redundancy by using RAID levels that provide data redundancy, which protects against data loss in the event of a hard drive failure.
General Information about the IBM 43W4280
- Brand Name: IBM
- Model Number or SKU# 43W4280
- Product Type : Controller
- Product Name : SAS-SATA
Technical Information
- Device Type: Storage Controller
- Controller Interface Type: Serial Ata-300 / SAS
- Data Transfer Rate: 300 MBps
- Supported Devices: Disk Array (Raid)
- Raid Level: Raid 5, Raid 6, Raid 10, Raid 50, Raid 60
Compatibility
- IBM System X3850 M2 7141
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