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Lenovo ServeRAID M5015 Storage Controller (RAID) SATA 3Gb/s / SAS 6Gb/s - PCIe 2.0 x8


 
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Product Specification

Product Code
1833921
Manufacturer Ref
46M0829
Type
PCIe Controllers

Product Details

- Lenovo ServeRAID M5015 Storage Controller (RAID) SATA 3Gb/s / SAS 6Gb/s - PCIe 2.0 x8

The ServeRAID M5015 SAS/SATA Controller for IBM System x is the next-generation 6 Gbps SAS 2.0 RAID controller. The adapter has two internal mini-SAS connectors to control up to 32 devices and support global and dedicated hot-spare drives. The ServeRAID M5015 provides additional performance advantages of an extended cache and a standard battery backup unit. 
 
Key Selling Points
  • Auto-resume on array rebuilt or array reconstruction after loss of system power 
  • Online Capacity Expansion 
  • Online RAID Level Migration 
  • Consistency check for background data integrity 
  • Patrol Read for media scanning and repairing
 
Product Features
  • Auto-resume on array rebuilt or array reconstruction after loss of system power 
  • Auto-resume uses non-volatile NVRAM to save rebuild progress during a host reboot or power failure to automatically resume from the last checkpoint. Auto-resume will ensure data integrity is maintained through the process. The card supports a number of features that are able to be implemented without rebooting the server. Applications such as email and web server benefit from avoiding downtime during transition. 
  • Online Capacity Expansion 
  • Online Capacity Expansion (OCE) allows the capacity of a virtual disk to be expanded by adding new physical disks or making use of unused space on existing disks,without requiring a reboot. 
  • Online RAID Level Migration 
  • Online RAID Level Migration (also known as logical drive migration) provides the ability to migrate a virtual disk from any RAID level to any other RAID level without requiring a reboot. System availability and application functionality remain unaffected. 
Consistency check for background data integrity 
Consistency Check verifies that all stripes in a virtual disk with a redundant RAID level are consistent. The consistency check will mirror data when an inconsistent stripe is detected for a RAID 1 and recreating the parity from the peer disks when in the case of a RAID 5 or RAID 6. Consistency checks can be scheduled to take place periodically. 
Patrol Read for media scanning and repairing 
Patrol read is a background sentry service designed to proactively discover and correct media defects (bad sectors) that arise normally as a disk drive ages. The service issues a series of verify commands and if a bad block is discovered,the card's firmware will use RAID algorithms to recreate the missing data and remap the sector to a good sector. The task is interruptible based on controller activity and host operations. The firmware also provides an interface where the patrol read task can be initiated,set up for continuous operation,and terminated from a management application. Patrol read can be activated by manual command or automatically. 
 
Main Specifications
  • Product DescriptionLenovo ServeRAID M5015 - storage controller (RAID) - SATA 3Gb/ s / SAS 6Gb/ s - PCIe 2.0 x8
  • Device TypeStorage controller (RAID) - plug-in card - low profile
  • Bus TypePCIe 2.0 x8
  • InterfaceSATA 3Gb/ s / SAS 6Gb/ s
  • Data Transfer Rate600 MBps
  • Buffer Size512 MB
  • Supported DevicesDisk array (RAID)
  • Max Storage Devices Qty32
  • RAID LevelRAID 0, RAID 1, RAID 5, RAID 10, RAID 50
  • System RequirementsRed Hat Enterprise Linux 4, SuSE Linux Enterprise Server 11, Microsoft Windows 2003, Red Hat Enterprise Linux 5
  • Microsoft CertificationCompatible with Windows 7
  • Dimensions (WxDxH)1.3 cm x 16.8 cm x 6.9 cm
  • Weight 270 g
  • Manufacturer Warranty 1 year warranty
  • Designed ForSystem x3250 M3;x3400 M2;x3500 M2;x3550 M2;x3620 M3;x3650 M2;x3650 M3;x3950 X5
 
General
  • Device TypeStorage controller (RAID) - plug-in card - low profile
  • Host BusPCIe 2.0 x8
  • Storage Controller
  • InterfaceSATA 3Gb/ s / SAS 6Gb/ s
  • Data Transfer Rate600 MBps
  • Buffer Size512 MB
  • Supported DevicesDisk array (RAID)
  • Max Storage Devices Qty32
  • RAID LevelRAID 0, RAID 1, RAID 5, RAID 10, RAID 50
  • ProcessorPowerPC 800 MHz
  • Expansion / Connectivity
  • Interfaces2 x SATA 3Gb/ s / SAS 6Gb/ s - 36 pin 4i Mini MultiLane SAS (SFF-8087) ( internal )
  • Compatible Slots1 x PCI Express 2.0 x8 - half-length, full-height
  • Miscellaneous
  • Included AccessoriesLow-profile bracket, RAID Battery Backup Unit
  • Compatible with Windows 7"Compatible with Windows 7" software and devices carry Microsoft
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Lenovo ServeRAID M5015 Storage Controller (RAID) SATA 3Gb/s / SAS 6Gb/s - PCIe 2.0 x8