Hi Christoph, Thanks for looking into this. Babu (LSI) and I did some testing and found couple of problems. Major one was that moving all luns blindly causes luns to be moved to their non-preferred path against the user's setting, which is a no-no. Here is the email Babu sent on this: http://marc.info/?l=linux-scsi&m=125495712310371&w=2 chandra On Wed, 2009-10-21 at 21:06 -0400, Christoph Hellwig wrote: > On Wed, Oct 21, 2009 at 09:22:40AM -0700, Chandra Seetharaman wrote: > > Hello All, > > > > Currently, device handlers process path activation in series. This leads > > to a lot of time delay when more than 100 luns are involved. For example, > > with lsi rdac 100+ luns take about 12-15 minutes. This was found by Moger > > Babu of LSI. > > So what happened to the suggestion to just switch over per target > instead of per lun? It's the obviously much better way to do, and > unless there are bugs in the hardware preventing it from working it > should be the way to go. > > -- > To unsubscribe from this list: send the line "unsubscribe linux-scsi" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
