[Mageia-dev] time to switch from raw partitions to lvm?

Thu Feb 24 14:28:48 CET 2011

2011/2/24 Frank Griffin <ftg at roadrunner.com>:
+> Wolfgang Bornath wrote:
+>> Now with LVM, what do I do?
+>>
+> Pretty much exactly the same, if that's what you want.  LVM is just a
+> layer of indirection that you place on top of *only* those partitions
+> you want LVM to control.  It lets you create multiple "virtual"
+> partitions each of which includes one or more physical partitions.  In
+> the minimal case, you can partition exactly as you would without LVM,
+> but make each of the Mageia partitions an LV formatted as ext4 (or
+> whatever) rather than a physical ext4.
+>
+> The difference is that later on if you need to expand one of these 1-1
+> LVM partitions, all you do is create another physical partition
+> *somewhere* - either on that physical disk or another you add - and tell
+> LVM to make that new physical partition part of the LV you want to
+> expand.  The original physical partition on which you based the LVM
+> stays exactly where it is without change, and the Logical Volume just
+> magically increases in size by the size of the new physical partition
+> you added.
+>
+> Using LVM for some or all of Mageia has no effect on your ability to use
+> standard partitioning for other partitions on these disks.
+
+Thx for the explanation. I'll save that (with some extensions) for
+reference to forward to users if Mageia really switches to LVM as
+default.
+
+-- 
+wobo
+