Storage Vmotion issue on P6300 on eva 8400 using Firmware XCS 11001000

Scenario: customer is using hp p6300 iscsi with firmware 11001000 and the svmotion fails.
error:

2012-09-04T01:30:38.234Z| Worker#0| DISKLIB-VMFS :Vmfs_MoveData : failed to move data (Device or resource busy:0x100009).

2012-09-04T01:30:38.240Z| Worker#0| DISKLIB-LIB   : DiskLibCopyDataInt: Failed to copy using vmkernel data mover; failing the copy operation. Device or resource busy

2012-09-04T01:30:38.240Z| Worker#0| DISKLIB-LIB   : DiskLibCopyDataInt failed with Device or resource busy.

2012-09-04T01:30:38.240Z| Worker#0| SVMotionMirroredMode: noticed migration failure, backing out of disk copy.

VMware HCL says that the firmware compatible is

11000000 but not 11001000 yet.

resolution:

The problem turns out to be caused by an old iSCSI firmware module. This seems to be incompatible with the latest firmware  XCS 11001000.

Original version for iSCSI module was 3_2_2_6

New version is 3_2_2_9

Disable the VAAI from ESX(i) host and svmotion will work. upgrade the iscsi module, then enable the VAAI option again and the svmotion will still work.