What is your purpose for needing to know how WWID is generated ? Do you want to identify and name them the same in both the nodes ? On Wed, 2009-06-10 at 12:01 -0700, Lavannya wrote: > Hi, > > Recently I am trying to test few luns with multipath , in two of my > > test server. I worked throughly with PowerPath. > > I have few questions on multipath: > > - what is the logic redhat is using to create the WWID > and what are the fields involved > > - I am trying to test with the shared luns (devices) between > two nodes. How i will identify the device id in multipath. > Though as per Redhat , they are telling WWID is the identifier. > But how i will identify the device id in the WWID? > It is very much needed specially for shared luns. In PowerPath, > generally all the devices are identified by the > lun id /device id then , > I use the Pseudo name (linux), for configuring the devices. I will > assume that WWID is similar as Pseudoid. If not, pl. correct me. > > - Where can i match the device id in the WWID.. > > It will be really appreciated , if someone clears all my questions. > > Thanks in advance. > > > > > > > > -- > 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
