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<H1>[Mageia-dev] time to switch from raw partitions to lvm?</H1>
<B>Wolfgang Bornath</B>
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TITLE="[Mageia-dev] time to switch from raw partitions to lvm?">molch.b at googlemail.com
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<I>Thu Feb 24 14:28:48 CET 2011</I>
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<PRE>2011/2/24 Frank Griffin <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">ftg at roadrunner.com</A>>:
><i> Wolfgang Bornath wrote:
</I>>><i> Now with LVM, what do I do?
</I>>><i>
</I>><i> Pretty much exactly the same, if that's what you want.  LVM is just a
</I>><i> layer of indirection that you place on top of *only* those partitions
</I>><i> you want LVM to control.  It lets you create multiple "virtual"
</I>><i> partitions each of which includes one or more physical partitions.  In
</I>><i> the minimal case, you can partition exactly as you would without LVM,
</I>><i> but make each of the Mageia partitions an LV formatted as ext4 (or
</I>><i> whatever) rather than a physical ext4.
</I>><i>
</I>><i> The difference is that later on if you need to expand one of these 1-1
</I>><i> LVM partitions, all you do is create another physical partition
</I>><i> *somewhere* - either on that physical disk or another you add - and tell
</I>><i> LVM to make that new physical partition part of the LV you want to
</I>><i> expand.  The original physical partition on which you based the LVM
</I>><i> stays exactly where it is without change, and the Logical Volume just
</I>><i> magically increases in size by the size of the new physical partition
</I>><i> you added.
</I>><i>
</I>><i> Using LVM for some or all of Mageia has no effect on your ability to use
</I>><i> standard partitioning for other partitions on these disks.
</I>
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
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