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09-23-2003 02:55 AM
09-23-2003 02:55 AM
Max Lun
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09-23-2003 12:11 PM
09-23-2003 12:11 PM
Re: Max Lun
The older versions of securepath used to suport up to 16 LUNS per Storage subsystem, and the storage subsystem had to be setup for SCSI-2 mode of operation.
I do not remember the total number of LUNS per HBA.
Today, I can present up to 32 LUNS per storage subsystem in SCSI-3 mode. This is a Limit of the HBA drivers, not the storage system. There is also a Limit on how many total LUNS that the HBA itself will see from all storage systems.
I have AIX, VMS, and W2K sharing storage on the same controller on one of my HSG's.
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09-24-2003 05:51 PM
09-24-2003 05:51 PM
Re: Max Lun
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09-25-2003 03:08 PM
09-25-2003 03:08 PM
Re: Max Lun
I'm not sure that you understood my last post.
Your Limiting factor here is going to be the amount of LUNS that the AIX HBA will see, not the # of LUNS that the Storage controller can present.
Your storage controller does not matter here. XP256, XP1024, EVA, HSG... Etc. Your AIX HBA will still only see 32 LUNS from any of these devices. You might be able to present 512 LUNS from the XP256, but the AIX system will only see the first 32!
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