On Mon, 2009-08-24 at 18:58 -0400, Charlie Brady wrote: > On Mon, 24 Aug 2009, Jakov Sosic wrote: > > > On Mon, 24 Aug 2009 13:44:34 -0700 > > Chandra Seetharaman <sekharan@xxxxxxxxxx> wrote: > > > >> ok.. simple words; That patch won't help you. > > > > hm :( so defining "SUN" "LCMS100_S" won't help? Although in > > scsi_dh_rdac only "SUN" "LCMS100_F" is defined. And that stands for > > Fiber, while mine is SAS cabling... > > Chandra says that the patch won't help you. Perhaps he can clarify. My > understanding is that if you configure multipath to use RDAC that the > driver does have to be patched so that the RDAC handler will be used. I > did find that to be the case with the StorageTek 2510 "LCMS100_I"). I didn't mean that scsi_dh_rdac module won't help him. It would. His device is being handled by the scsi_dh_rdac module once he added the stanza to /etc/multipath.conf file. But, the problem he is seeing is different and adding this device to the devlist in scsi_dh_rdac wouldn't solve his problem. Hope it is clear now. > > My understanding also is that RDAC is superior, so RDAC hander support is > desirable. > > > I've recompiled RPM with added patch, then extracted single module > > (scsi_dh_rdac.ko), and put it in place of the original module... > > > > FATAL: Error inserting scsi_dh_rdac > > (/lib/modules/2.6.18-128.4.1.el5xen/kernel/drivers/scsi/device_handler/scsi_dh_rdac.ko): > > Invalid module format > > > > I guess I'll have to build the whole kernel just because of this :( > > No, it is certainly possible to build an RPM which contains just the > module that you need. But you do need to build correctly. > > I did make the suggestion earlier that it would be useful if the module > could take load-time parameters to add support for additional devices. I > think it was Chandra who agreed that was a good idea and he would add it > to the TODO list, but neither he nor I has done that yet. > > >> This is uncalled for!! > > > > Sorry, I'm easily flammable... > > You would be wise to control your urges, if you wish people to help you. > > -- > dm-devel mailing list > dm-devel@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/dm-devel -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
