> > >I was delighted to see LVM support in the Expert section of DiskDrake. > >I was sad to not be able to mount / into a partition inside a logical >volume. > well it's there for some time ( MDK-8.1 has it )
> >I created a logical volume and then tried creating 2 RAID 5 partions >inside the Logical Volume and a third RAID 5 partition outside the >LV all partitions and logical volumes being on the same hard drive. > i realy don't see the point of creating soft RAID on the top of LVM: * if smth goes wrong with the lvm-part the raid wont help * you can not resize a soft raid ( or am i mistaken ) + if you are using diskdrake to create the LV's for the raids * diskdrake alocate the space linear and you can not specify which PV's you want to use so you'll probably and with raid-dev on the same physical disk (what's the point of raid then ?) >This seemed to confuse things royally. I had a great deal of difficulty >deleting the partitions created within the logical volume. I ran into >division by zero errors when doing so. > i think diskdrake starts the raids when you try to format them, so until that moment the changes are saved but not made, and there are no raids -- you can not delete smth that's not created if i'm wrong please correct me > >A key to successfull Logical Volume work seems to be rebooting after >committing major changes to the partition table (such as after creating >new logical volumes.) I was eventually able to delete the partitions >and the logical volume itself after a reboot. > tottaly wrong the key of useing LVM is that you can create, delete, resize ONLINE without reboot > The other really cool feature about LVM is that >it allows you to modify virtual partitions which span multiple physical >disks on the fly > virtual partitions ? do you mean LV's are you talking about striped Logical Volumes ?
