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Re: [linux-lvm] lvm RAID and segtypes... difference to MD?



Dne 18.7.2013 23:36, Christoph Anton Mitterer napsal(a):
Hi.

Thanks for the answers...


On Thu, 2013-07-18 at 21:30 +0200, Zdenek Kabelac wrote:
https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Logical_Volume_Manager_Administration/raid_volumes.html
But that's only about the RAIDs... not about the other segtypes :(

How about going to:

https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Logical_Volume_Manager_Administration/


And even there it doesn't provide that much detail information... like
how much it reuses from MD (same superblocks?) and e.g. whether one can
use such devices also with mdadm (respectively vice versa.


I guess it's obvious it's using different metadata format - since it's based on PV/VG/LV.

Internally dmraid shares same kernel code with mdraid.
(unlike mirror which is internal to dm)

There is no detailed doc about everything :) - you can read the open-source.

Zdenek


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