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Full Discussion: Problems AIX and SAN.
Operating Systems AIX Problems AIX and SAN. Post 302124945 by fjgonzalez on Tuesday 3rd of July 2007 09:27:29 AM
Old 07-03-2007
Problems AIX and SAN.

Sorry for my english.

We have a IBM BLADES JS21. AIX 5.3 update to 6.

Our JS21 has 2 FC (fcs0 and fcs1).

We have one DS4072, one Disk system with 2 controllers and 2 FC by controllers.

This means, all AIX FC see all Disk systems controllers by 2 FC switchs. (one fc two roads)

FC AIX -----> SWITCH A <----- 2 FC Controllers. A1 - B1
FC AIX -----> SWITCH B <----- 2 FC Controllers. A2 - B2

Is it support?. Because I only see one DAR (it is correct because I have only on partition on my Disk System). But I see 4 DAC ( DAC0 - DAC3 ) and I can not configure fault tolerant.

Thanks.
 

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MCA(4)							   BSD Kernel Interfaces Manual 						    MCA(4)

NAME
mca -- introduction to machine-independent MCA bus support and drivers SYNOPSIS
mca0 at mainbus? options MCAVERBOSE Machine-dependent; depends on the bus topology and MCA bus interface of your system. Typical MCA buses are connected directly to the main system bus. DESCRIPTION
NetBSD includes a machine-independent MCA bus subsystem and several machine-independent MCA device drivers. HARDWARE
NetBSD includes machine-independent MCA drivers, sorted by device type and driver name: SCSI controllers aha Adaptec AHA-1640 SCSI interface esp NCR 53C90 SCSI Adapter Disk and tape controllers edc IBM ESDI Fixed Disk Controller Serial interfaces com NS8250-, NS16450-, and NS16550-based serial cards. Network interfaces tr TROPIC based token ring interfaces ate Allied-Telesis 1720 Ethernet interface cards we WD/SMC WD80x3x Ethernet interface cards and clones le SKNET Personal and MC+ Ethernet interface cards elmc 3Com EtherLink/MC (3c523) Ethernet interface ep 3Com EtherLink III 3c529 Ethernet interface tra Tiara LANCard/E and Standard MicroSystems 3016/MC Ethernet interface SEE ALSO
aha(4), ate(4), com(4), edc(4), elmc(4), ep(4), esp(4), le(4), ne(4), tr(4), tra(4), we(4) HISTORY
The machine-independent MCA subsystem appeared in NetBSD 1.5. BSD
March 3, 2005 BSD
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