--- "isplist@xxxxxxxxxxxx" <isplist@xxxxxxxxxxxx> wrote: > Problem is that SCSI devices are changing when I > add/remove storage devices. > For example, a device that was all set up as sda is > now sdc upon reboot. > yes, I understand you the same happen when you add LUNs exported from a SAN the OS will see more devices , and maybe something that was sda now is sde :-( with LVM you will not have any problem no matther how the name of the device change (sda -> sdb or sde) with GFS alone I guess you will maybe with the help of multipath or powerpath or any other "device mapper" tool you can map a device to something unique and invariable across addiction of new real scsi devices or LUNs to the system cu roger > Mike > > > On Mon, 25 Sep 2006 18:05:29 -0700 (PDT), Peña > wrote: > > > > > > --- "isplist@xxxxxxxxxxxx" <isplist@xxxxxxxxxxxx> > > wrote: > > > >> I'll take a look at that, wwn might work so long > as > >> all my storage devices > >> supports it. > > but the LUNs that you export from the same SAN > will > > show the same wwn, do they? > > the SAN's wwn I guess > > > > maybe somre kind of LUNs ID can be mapped with > udev so > > the same name apply to the same LUNs Id, I am just > > guessing. Of course, the other way is to use LVM, > LVM > > can help because it have "IDs" that helps to gruop > > always the same PV no matter if you add new > devices > > :-) > > > > cu > > roger > > > > __________________________________________ > > RedHat Certified Engineer ( RHCE ) > > Cisco Certified Network Associate ( CCNA ) > > > > __________________________________________________ > > Do You Yahoo!? > > Tired of spam? Yahoo! Mail has the best spam > protection around > > http://mail.yahoo.com > > > > > -- > Linux-cluster mailing list > Linux-cluster@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/linux-cluster > __________________________________________ RedHat Certified Engineer ( RHCE ) Cisco Certified Network Associate ( CCNA ) __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster