I was wondering if IVR and interop modes are ok. I have been asked to allow devices in Brocade Fabrics and Cisco fabrics to see each other (primarily backups) and it will involve IVR if thats achievable.
Basically a setup of tape units (physical and VTL) at one Cisco site will need to be seen at the Brocade site. The tapes also need to be seen by VSANs at the Cisco site due to serverless backups.
It sounds like a plan but I have not been able to find if its achievable.
Interop and IVR should work...the question becomes whether the Fab OS version you have on the Brocade is supported for Interop mode 2 or 3. If they are in Open Fabric Mode, or what Cisco calls interop mode 1 I see no problems with an IVR integration. If they are running one of the newer Fab Os versions, you may run into interop issues. Here is the MDS interop guide from CCO, it has a section on Interop with IVR.
This gets complicated. We are running Brocade 48000 Directors and FAB OS 5.2.1b. HDS (our vendor) only supports Interop mode 1 and to be honest Brocade don't like it at all. The interop guide doesn't have recent switches. Eg, the 3800 was EOL'ed years ago and none of the FAB OS versions it used are available any more.
I think Cisco could do better and much more recent testing. Basically, its often easier to remain with Brocade than to worry over interop modes.
Interop mode 1 'should' work and 'should' be supported by all vendors since it is based on the T11 standards. I believe that Cisco will stand behind support of Interop mode 1 with any vendor, and any recetn code. I understand if other vendors do not, or will not, support our Interop mode 2 and 3 features. I also understand that sometimes it is easier to not deal with interop, especially when support is questionable from all the vendors involved.
I think the SAN market has ruled and it has become unprofitable for Cisco to maintain and test all possible code iterations for interop mode 2 and 3 when no one beside Cisco will support it, and the other vendors can make it no longer work after each upgrade to their firmware.
Afraid this not much of a solution for you, but hopefully explains how we got where we are.
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