On 03/23/2010 03:55 PM, Gianluca Cecchi wrote: > Hello, > sorry for the off-topic. > Tipically when I work with LVM on Linux (RHEL/CentOS 5 and/or Fedora > 11/12), I create the physical volume directly on the whole disk. > Historically one created a partition on the disk, eventually big as the > whole disk and then marked it as 8e type (LVM), and then the PV on the > partition. > With recent kernels/LVM2 user tools it became safe/normal to create it > directly on disk device, and so I normally do. > > What about same thing for ext3 filesystem? > So creating for example an ext3 filesystem directly on the /dev/sda device? > Does this imply any risk/problem? > > Does it change anything if the underlying device is instead managed by > device-mapper-multipath, so for example the device name is > /dev/mapper/mpath1? > > I ask because, used with creating PVs, VGs and LVs, today I had to > create a plain filesystem on mpath device and forgot to create a > partition on it but issued the mkfs command directly on it... and then > mounted it... now I have this doubt I've built filesystems (ext2 and ext3) for a long time on thumb drives (and certainly on floppies) without partitioning, so yes, you can do it. On the other hand, a partition table doesn't take any capacity away from a drive so there's really no need to skip partitioning other than laziness. :-) (and yes, I can be a lazy cuss) ---------------------------------------------------------------------- - Rick Stevens, Systems Engineer, C2 Hosting ricks@xxxxxxxx - - AIM/Skype: therps2 ICQ: 22643734 Yahoo: origrps2 - - - - "I was contemplating the immortal words of Socrates when he said, - - 'I drank what?'" -- Val Kilmer in "Real Genius" - ---------------------------------------------------------------------- -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
