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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>Fri Feb 25 18:41:57 CET 2011</I>
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<PRE>2011/2/25 Maarten Vanraes <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">maarten.vanraes at gmail.com</A>>:
><i> Op donderdag 24 februari 2011 14:19:54 schreef Frank Griffin:
</I>>><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>><i>
</I>><i> don't forget that a filesystem on top of this, still has to be resized as
</I>><i> well...
</I>
Can it be that LVM is not yet possible with Mageia? I did a beta 1
installation yesterday for other testing reasons and did not find any
button or whatever in diskdrake which said "LVM" or similar. May be I
overlooked it...
--
wobo
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