lvm-link
1. How to check existing LV|VG|PV
2. How to enlarge exisiting VG
3. How to enlarge existing LV
4. How delete a LV|VG
5. what if the added HDD is removed without doing anything, in another word, the LVM or VG doesn't aware of the removal.
6. what if the new partition||disk is not empty?
7. what if the OS is reinstalled? can we still see the LG|VG? can we mount it to the new installed OS directly? if it is not encrypted?
- link1
- How to delete a disk from a LVM group while keeping the data
8. what if the read/write speed is very different among the added HW storage devices?