I have spent years managing lots of Solaris boxes on SANs and only once saw that behaviour and it was not SAN related. I had problems with ODM and once that was patched, cfgadm -al worked perfectly. I trussed the cfgadm command and saw it hanging on /dev/odm.
Perhaps you could truss cfgadm -al and see where it is hanging?
Do you have your storage and backup devices on the same controllers? If not and you know the controller numbers, say C4 and C5 for storage and C6 for tape, can you do a cfgadm -al C4 (etc) and do any of them return without hanging?
If it hangs on some controllers, that gives something to work with.
I just don't think the SAN and especially IVR is the issue.
This document will provide screenshots to outline the steps to setup
TACACS+ configuration to ACI and also the configuration required on
Cisco ACS server. Please find the official Cisco guide for configuring
TACACS+ Authentication to ACI:
Is it supported or NOT supported? It's a frequently asked question.
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Cisco Documents are usually accurate, but when it came to the document
on Cisco APIC Signature-Based Transactions it was slightly off the mark.
This document is for those novices to API like me who cant seem to
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