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

Wolfgang Bornath molch.b at googlemail.com
Fri Feb 25 18:41:57 CET 2011


2011/2/25 Maarten Vanraes <maarten.vanraes at gmail.com>:
> Op donderdag 24 februari 2011 14:19:54 schreef Frank Griffin:
>> 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.
>
> don't forget that a filesystem on top of this, still has to be resized as
> well...

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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