Hi Konrad, On Thu, 2013-07-18 at 17:30 +0200, Konrad Ludwikowski wrote: > Hello, > > I want to present LUNs from my linux box to one of the Storage > Virtualizators (FalconStor in that case). I did simple configuration: > > /> ls > o- qla2xxx ........................................................................................................... > [2 Targets] > | o- 50:01:43:80:24:d7:af:08 > ........................................................................................... > [enabled] > | | o- acls ............................................................................................................. > [2 ACLs] > | | | o- 50:01:43:80:24:d7:ad:18 > .................................................................................. > [1 Mapped LUN] > | | | | o- mapped_lun0 > ............................................................................................... > [lun0 (rw)] > | | | o- 50:01:43:80:24:d7:ae:80 > .................................................................................. > [1 Mapped LUN] > | | | o- mapped_lun0 > ............................................................................................... > [lun0 (rw)] > | | o- luns .............................................................................................................. > [1 LUN] > | | o- lun0 > .................................................................................... > [iblock/cache1pri (/dev/fioa1)] > | o- 50:01:43:80:24:d7:af:0a > ........................................................................................... > [enabled] > | o- acls ............................................................................................................. > [2 ACLs] > | | o- 50:01:43:80:24:d7:ad:1a > .................................................................................. > [1 Mapped LUN] > | | | o- mapped_lun0 > ............................................................................................... > [lun0 (rw)] > | | o- 50:01:43:80:24:d7:ae:82 > .................................................................................. > [1 Mapped LUN] > | | o- mapped_lun0 > ............................................................................................... > [lun0 (rw)] > | o- luns .............................................................................................................. > [1 LUN] > | o- lun0 > .................................................................................... > [iblock/cache1pri (/dev/fioa1)] > o- tcm_fc ............................................................................................................. > [0 Target] > > As a result - I can see on the virtualizator "iblock/cache1pri" via > two paths. So far so good. That all looks fine. > But - Unfortunatelly I cannot use the presented space because I'm > getting the message on the virtualizator: "LUN - Not Supported for > path failover and load ballancing" So explicit/implicit ALUA multipath is enabled by default on all exported fabric LUNs. There is nothing extra required to configure for the default case. Not sure why Falconstor is having problems with standard ALUA. I assume this is using their own multipath logic, and not the Linux native dm-multipath, right..? --nab -- To unsubscribe from this list: send the line "unsubscribe target-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html