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. Will do. I wanted to see if the NOT_READY in scsi_error.c caught it but I guess it is not the same asc/asq. I will look at the qlogic driver for the values. Ditto for UNIT_ATTENTION. > 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. > Thanks for checking that out. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
