I/O Adapters and Controllers
312 iSeries Handbook
can be spread across four or eight disk units. A maximum of three RAID-5 arrays are
supported on one #2726. Disk units not supported in a RAID-5 array can be attached to the
#2726 in either unprotected or a mirrored environment.
Concurrent maintenance of disks attached to the #2726 is only supported if the disks are part
of a RAID array or are mirrored.
The supported internal tape drives include:
• 1.2G ¼-inch Cartridge Tape Unit Kit, #1349
• 2.5G ¼-inch Cartridge Tape Unit Kit, #1350
• 13G ¼-inch Cartridge Tape Unit Kit, #1355
• 7G 8mm Cartridge Tape Unit Kit, #1360
• 2.5G ¼-inch Cartridge Tape Unit, #6481
• 4G ¼-inch Cartridge Tape Unit, #6482
• 13G ¼-inch Cartridge Tape Unit, #6485
• 16 G ¼-inch Cartridge Tape Unit
• 25G ¼-inch Cartridge Tape Unit, #6486
• 7G 8mm Cartridge Tape Unit, #6490
The #2726 occupies one High Speed PCI card slot. It is supported on the 9406 Model 720
only. A maximum of one #2726, #2740, #2741, or #9728 can be installed in the system unit
and one #2726 or #2741 in the #5064/#9364 System Unit Expansion with the #9329
Expansion Unit for PCI cards. If RAID is to be implemented or more than five disk units are
required in the system unit, the #2726 should be ordered in place of a #9728 Base PCI Disk
Unit Controller.
The #2726 does not offer support for compression. The #2741 PCI Raid Disk Unit Controller
supports compression when used with V4R3, and it effectively supersedes the #2726. If a
maximum of only ten disks is required and there is no requirement for compression, the
#2740 can be ordered as an alternative to the #2741.
#2729 PCI Magnetic Media Controller SCSI PCI
The #2729 PCI Magnetic Media Controller SCSI provides for attachment of one of these
devices:
• 3490E-C11/C22/C1A/C2A ½-inch Cartridge Tape Subsystem with #5040
• 3490E-E01/E11 ½-inch Cartridge Tape Subsystem
• 3490E-F00/F01/F11/F1A ½-inch Cartridge Tape Subsystem
• 3494-L10 ½-inch Cartridge Tape Library Control Unit Frame (one 3490E-C1A/C2A with
#5040 or one or two 3490E-F1A)
• 3494-L12 ½-inch Cartridge Tape Library Control Unit Frame (one or two 3590-B1A)
• 3494-D10 ½-inch Cartridge Tape Library Device Frame (one 3490E-C1A/C2A with #5040
or one or two 3490E-F1A)
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