On Wed, 01 Mar 2006, Stefan Kaltenbrunner wrote: > Andrew Morton wrote: > > Maxim Kozover <maximkoz@xxxxxxxxxxxxxxxx> wrote: > > > >>Hi! > > > > > > (cc's added) > > > > > >>Most of the problem seems to be a QLogic driver problem. > >>HBAs are connected to target via FC switch. > >> > >>1. If I have several LUNs on each HBA, with QLogic only 1 directory > >>per adapter (for LUN 0) is created in /sys/class/fc_remote_ports, > >>while with Emulex a directory for every LUN is created. > >> > >>2. The situation I described occurs with QLogic only if the cable > >>connecting between HBA and switch is pulled out/in. If I > >>connect/disconnect the cable between switch and target, disks come > >>back. > > I can confirm that very problem (pulling the cable between HBA and > switch results in only LUN 0 or nothing coming back afterward) on > 2.6.15.4 here too. Please try recent 2.6.16-rcX kernels as there have been a number of patches submitted since 2.6.15 which (attempt to) address most of these holes -- I'm still trying to get additional details on Maxim's. 387f96b4d9391bf3ce6928fb9cd90c9c7df37291 [PATCH] qla2xxx: Close window on race between rport removal and fcport transition. 77427f514f88143bfef41ba8c1e624bc45f42297 [SCSI] qla2xxx: Drop legacy 'bypass lun scan for tape device' code. 052c40c83b4ca37be226112049b60097cb9961e1 [SCSI] qla2xxx: Correct issue where the rport's upcall was not being made after relogin. d97994dc1fddcbb8212b745d9c9c9ce96262155c [SCSI] qla2xxx: Correct synchronization issues during rport addition/deletion. 79f89a4296ff22f09baf538d4ff2a6d0c3097a73 [SCSI] qla2xxx: Disable port-type RSCN handling via driver state-machine. Regards, Andrew Vasquez - : 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
