Adaptec 2930U2 - Storage Controller Ultra2 SCSI 80 MBps Manual do Utilizador descarregar pdf (Página 45)

IBM ServeRAID Quick Reference - Archive 45

Table 10. Feature comparison - ServeRAID MR and BR

Feature MR10ie B5015 MR10is MR10k BR10il MR10M MR10i BR10i 3Gb SAS v2

Port interface SAS SAS SAS SAS SAS SAS SAS SAS SAS

Port speed, Gbps 3 6 3 3 3 3 3 3 3

Number of ports 8 8

PCIe spec 1.0 2.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0

PCIe lanes x4 x8 x8 x8 x4 x8 x8 x8 x8

Int. connectors 2 2 2 0 1 0 2 2 4

Ext. connectors 0 0 0 0** 0 2 0 0 1

SAS controller LSI SAS

1078

PMC

8013

LSI SAS

1078 DE

LSI SAS

1078

LSI SAS

1064

LSI SAS

1078

LSI SAS

1078

LSI SAS

1068

LSI SAS

1068

Cache (MB)# 256 None 256 256 None 256 256 None None

Battery Y N Y Y N Y Opt N N

Flash N N N N N N N N N

Data encryption N N Y N N N N N N

Max stripe size (KB) (F=fixed) 1024 1024 1024 1024 64-F 1024 1024 64-F N/A

Mixing SAS & SATA drives‡ Y N/A

SSD support Y Y N N Y N

Tape support Y N N N N N N N Y

Max volumes 64 4 N/A

Max LUN size >2TB N/A

UEFI support Y Y Y N Y Y Y Y Y

Patrol read (data scrubbing) Y Y Y Y Y Y Y Y N/A

Consistency check Y

Online RAID Level Migration† Y Y Y N/A

Online Capacity Expansion Y N/A

AutoSync Y Y Y Y Y Y Y Y N/A

Copyback§ N N Y Y N Y Y N N

FastPath N N N N N N N N

CacheCade N N N N N N N N

RAID-0 Y N Y Y Y Y Y Y Y*

RAID-1 Y Y Y Y Y Y Y Y Y*

RAID-1E N N N N Y N N Y Y*

RAID-5 Y Y Y Y N Y Y N N

RAID-6 Y N Y Y N Y Y N N

RAID-10 Y N Y Y N Y Y N N

RAID-50 Y N Y Y N Y Y N N

RAID-60 Y N Y Y N Y Y N N

# Opt=optional

** The ServeRAID-MR10k does not have an external connector; however, the System x3850 M2 and x3950 M2

servers have a SFF-8088 external SAS port to which the MR10k connects.

* The IBM 3Gb SAS HBA v2 only supports RAID on the System x3455. All other supported systems support tape

connectivity only.

‡ Support for arrays comprised of SAS drives connected to the same controller as arrays comprised of SATA drives

(but not SAS & SATA drives in the same array). Requires that the server also supports the mixing of SAS & SATA.

† Online RAID Level Migration (RLM) is also known as Logical Drive Migration (LDM)

§ Copyback is also known as Revertible Hot Spare.

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