On Wed, 2006-10-18 at 16:33 +0200, Hannes Reinecke wrote: > Hi Mike, > > On Tue, Oct 17, 2006 at 10:37:05AM +0200, Christophe Varoqui wrote: > > Le samedi 14 octobre 2006 à 09:09 -0400, Mike Christie a écrit : > > > Christophe V, I was wondering what is the vendor/module info for your > > > box? We have a MSA1000 VOLUME/COMPAQ here, but START_STOP does not > > > work. > > > I mean if I send the command it always executes successfully, but the > > > device does not failover (READ/WRITEs fail). I tried just running > > > sg_start and this runs ok but READ/WRITE still fail, so I hacked up > > > scsi_debug to simulate my testing. > > > > It was a HSG80 based array, namely a HP EMA8000. > > I do not have access to this hardware anymore. > > > > Hmm. Finally I got a MSA1000 here, too (Thanks, HP!). dm_hp_sw seems > to work properly there. Note that according to the HP qla2xxx sources > the MSA1000 might take some time to actually do the switchover. > Appearently they return NOT_READY / UNIT_ATTENTION and some weird status > in byte 12 & 13 of the sense buffer (!). So please check the sense code > if there is anything untoward. > Oh, and you can check whether the failover really occured by using > the management console; 'show this_controller' and 'show other_controller' > will tell you which one's active. > Drop me a mail if you got further questions. > > Apart from this: good work! > Hannes - did you run mike's code from his git tree or something else? I'm confused by your reference to "dm_hp_sw". Thanks. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel