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IBM AS400 iSeries IBM 574F Auxiliary-write cache IOA 42R5133 5583 5590 IBM 574F Auxiliary-write cache IOA 42R5133 44V3481 5583 5590 The IBM 574F Auxiliary-write cache IOA.. Product #: IBM-574F

IBM 574F Auxiliary-write cache IOA 42R5133 44V3481 5583 5590

Brand: IBM AS400 iSeries
Model Number: IBM-574F
Tags: 574F , 42R5133 , 44V3481

IBM 574F Auxiliary-write cache IOA 42R5133 44V3481 5583 5590

The IBM 574F Auxiliary-write cache IOA is an auxiliary-write cache IOA that provides 1.5 GB of compressed auxiliary-write cache when paired with a RAID disk controller, has 42R5133 44V3481 part numbers and 5583 5590 feature codes. The IBM 574F 42R5133 Auxiliary-write cache IOA uses 39J5554 cache battery.

OS Requirements:
When the IBM 574F is installed in a IBM i AS400 and used with the 2780 or 2757 controller, OS400 V5R2 or later is supported.
When the IBM 574F is installed in a IBM i AS400 and used with the 5738 or 5777 controller, OS400 V5R3 or later is supported.
IBM Power AIX 5L Version 5.2 with the 5200-10 Technology Level
IBM Power AIX 5L Version 5.3 with the 5300-06 Technology Level or later

The IBM 574F auxiliary-write cache IOA can be used with the 5738, 5777, 2780, 2757, disk controllers. The IBM 574F can be used as a replacement IOA for the 5708 auxiliary-write cache IOA.
The IBM 0641 includes a direct attach 2780 Peripheral Component Interconnect-X PCI-X Ultra4 RAID Disk Controller and a CCIN 574F auxiliary-write cache IOA.
The IBM 0649 includes a direct attach 5738 PCI-X Quad-Channel Ultra320 SCSI RAID Adapter and a CCIN 574F auxiliary-write cache IOA
The IBM 5582 includes an IOP-based 5738 PCI-X Quad-Channel Ultra320 SCSI RAID Adapter and an IBM 574F auxiliary-write cache IOA.
The IBM 5583 includes an IOPless 5777 PCI-X Quad-Channel Ultra320 SCSI RAID Adapter and a IBM 574F auxiliary-write cache IOA
The IBM 5590 includes a 2780 PCI-X Ultra4 RAID Disk Controller and a IBM 574F auxiliary-write cache IOA.

The auxiliary-write cache IOA mirrors the write cache of the disk-controller IOA to which it is connected. If a failure occurs to the write cache of the disk-controller, the auxiliary-write cache IOA provides a backup copy during the recovery of the failed IOA. The disk controller IOA and the secondary, auxiliary-write cache IOA each require one PCI-X slot and must be installed together in the same enclosure. The disk controller IOA and the auxiliary-write cache IOA are connected by a SCSI cable (provided). The connecting SCSI cable is attached to SCSI bus port 3 of the disk controller IOA, reducing the number of SCSI buses that support disk drives from four to three. The reduction of SCSI buses can also reduce the number of disk drives supported by the disk controller, depending on the enclosure in which the disk controller is installed. No disk drives are driven by the auxiliary-write cache IOA.