On Thu, Nov 29, 2012 at 11:43 AM, Mulyadi Santosa <[email protected]> wrote: > Hi... > > On Thu, Nov 29, 2012 at 9:04 AM, Prasad Joshi <[email protected]> > wrote: >> Hello All, >> >> I have a virtual machine to which I dynamically attach/detach disk >> devices. On this VM the boot device is always '/dev/sda'. >> >> When a attach and detach different disk continuously to this virtual >> machine, every-time, the same device file '/deb/sdb' is created. Is >> there anyway I can tell udev subsystem to not to reuse the previously >> used device names? > > IMHO that's understandable since the guest think the same disk is > reinserted back. > > So, the key here is to use your virtual machine somehow to pass > information to the guest that this is another disk. > > What virtual machine do you use anyway? > > -- > regards, > > Mulyadi Santosa > Freelance Linux trainer and consultant > > blog: the-hydra.blogspot.com > training: mulyaditraining.blogspot.com > > _______________________________________________ > Kernelnewbies mailing list > [email protected] > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
You can use udev rules to create device node. If a device has serial number "VMDISK123" then it is possible to give the device name /dev/VMDISK123. Similarly if you use device serial number it will be possible to create unique devices. Note: I am not sure whether it is possible inside a VM. Regards, Sannu K _______________________________________________ Kernelnewbies mailing list [email protected] http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
