Benefits of the ServeRAID M5014 and ServeRAID M5015 Controllers
1-11
1.6.2
SAS Array Limitations
This section describes the array limitations of the controllers. These
include limitations such as the number of physical disks supported, the
maximum number of disks per controller, and the maximum number of
virtual disks allowed per controller.
lists the array limitations for the ServeRAID M5014 and
ServeRAID M5015 controllers.
Note:
The maximum number of hot spares per array is equal to
the maximum number of physical drives per array.
The controller supports 64-bit logical block addressing (LBA), which
makes it possible to connect a large number of drives to the RAID
controller, directly and through expanders. However, the actual number
of drives that you can attach depends on the limits listed in
rather than by the actual RAID volume capacity.
The maximum numbers in
depend on how many physical
devices you have connected to the controller. For example, though you
can have up to 32 disks per array, and up to 64 arrays per controller, a
limit of 64 disks per controller exists.
Table 1.2
ServeRAID M5014/M5015 SAS/SATA Controller Array
Limitations
Specification
ServeRAID
M5014/M5015
SAS/SATA Controllers
Maximum number of disks per controller
64
Maximum number of arrays per controller
64
Maximum number of virtual disks per array
16
Maximum number of physical devices per array
32
Maximum number of physical devices per controller
32
Maximum number of hot spares per array
32
Maximum number of spans per virtual disk
8
Maximum number of ports
2
Maximum number of enclosures per port
N/A
Summary of Contents for ServeRAID M5014
Page 1: ...ServeRAID M5014 M5015 SAS SATA Controllers USER S GUIDE M a y 2 0 1 2...
Page 7: ...Preface vii...
Page 14: ...xiv Contents...
Page 16: ...xvi Contents...
Page 34: ...1 18 Overview...
Page 54: ...3 10 ServeRAID M5014 M5015 SAS SATA Controller Characteristics...
Page 62: ...5 6 Installing a ServeRAID M5000 Series Battery Assembly...
Page 80: ...7 4 ServeRAID M5000 Series Battery Assembly Specifications...
Page 87: ...IBM Taiwan product service A 5 A 8 IBM Taiwan product service...
Page 88: ...A 6 Getting Help and Technical Assistance...
Page 89: ...ServeRAID M5014 M5015 SAS SATA Controllers User s Guide B 1 Appendix B Notices...
Page 94: ...B 6 Notices...
Page 95: ...Electronic emission notices B 7...
Page 96: ...B 8 Notices...
Page 104: ...C 6 Glossary of Terms and Abbreviations...
Page 105: ......
Page 106: ...Part number 81Y1027...
