Hi , Well , it does work properly for me . I have worked on a Cluster setup having a scsi disk connected commonly between machines via a scsi adapter card installed on each machine . Cheers ! --- debarchan dash <its_debarchan@xxxxxxxxx> wrote: > I think its possible. Using the fairness algorithm > for arbitration the adaptors can be decided. As you > told two adaptors are connected to a single SCSI > disk, in otherway two SCSI bus interfaced with the > same SCSI disk. So I/O operation is possible. The > main processor will decide on which bus data is to > be transmitted(i.e who should take control of the > bus) to the disk and accordingly as per the > algorithm the adaptor will be selected followed by > the same SCSI bus.. > > cheers > debarchan > > sanjayk <tousanjay@xxxxxxxxxxxxxx> wrote: > > > Hi all > > If there is a system with a scsi disk and two scsi > adaptar, > then is it possible to perform IO operation on the > same > scsi disk using both the adapter. > > To my understanding: > *Each Scsi Adapter(HBA) can control one or more SCSI > buses. > *Each Scsi bus can have multiple SCSI devices > connected to it. > i.e a single scsi adapter control all the devices > connected to > a single bus. > > please correct me if i am wrong. > > TIA > sanjayk > > > > > > --------------------------------- > Do you Yahoo!? > New and Improved Yahoo! Mail - 100MB free storage! __________________________________ Do you Yahoo!? Yahoo! Mail Address AutoComplete - You start. We finish. http://promotions.yahoo.com/new_mail -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
