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Joined: Dec 11, 2007
Posts: 3
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Posted Dec 11, 2007 at 10:31:32 PM
Subject: LVM Structures
I hope someone can help me ... I'm looking for documentation about the structure of the LVM descriptor sector. I need offset information as to where the component parts describing the volume are, etc ... I have searched the web for hours but can not seem to find much documentation for LVM .. Mike
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alpinesatan.com
Joined Dec 01, 2007
Posts: 639
Location:London, England

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Posted: Dec 12, 2007 6:13:45 PM
Subject: LVM Structures
Hey Dude! http://tldp.org/HOWTO/LVM-HOWTO/index.html Enjoy fella Kind Regards

OS X 10.4.11 and Ubuntu Gutsy Gibbon 7.10, not forgetting fedora :D

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Wheelie Bin Mike
Joined Dec 11, 2007
Posts: 3

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Posted: Dec 12, 2007 6:54:01 PM
Subject: LVM Structures
Hi, thanks for the link.. However, I had looked at this and it does not give me the info I need. e.g. Description Offset Size Magic No : 0x0000 2 ... ... Volume Size: 0x01BC 4 (VS maybe wrong - this is all I have managed to hack so far :(
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alpinesatan.com
Joined Dec 01, 2007
Posts: 639
Location:London, England

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Posted: Dec 12, 2007 7:21:36 PM
Subject: LVM Structures
lol ok try this http://www.redbooks.ibm.com/redbooks.nsf/0/1f80d43a7a4e475d862568200078bb54?OpenDocument Kind Regards

OS X 10.4.11 and Ubuntu Gutsy Gibbon 7.10, not forgetting fedora :D

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Wheelie Bin Mike
Joined Dec 11, 2007
Posts: 3

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Posted: Dec 14, 2007 5:03:22 PM
Subject: LVM Structures
Thanks, Took a bit of number cruching, but I got the info I needed :) Mike
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alpinesatan.com
Joined Dec 01, 2007
Posts: 639
Location:London, England

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Posted: Dec 14, 2007 5:25:46 PM
Subject: LVM Structures
Good. :D Kind Regards

OS X 10.4.11 and Ubuntu Gutsy Gibbon 7.10, not forgetting fedora :D

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Joined Nov 23, 2009
Posts: 241

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Posted: Mar 19, 2008 6:24:35 PM
Subject: LVM Structures
LVM: Logical Volume Manager. What is its role in the AIX operating System? How does it perform this function? Its role is to control disk resources by mapping data between a more simple and flexible logical view of storage space and the actual physical disks. How it performs this function is a topic vast enough to fill two books. This first volume, AIX Logical Volume Manager, from A to Z: Introduction and Concepts describes the basic components and defines physical volumes, including volume groups and logical volumes. This book also describes the advanced functions of the Logical Volume Manager, such as the mirroring to increase the availability of the data, the striping to spread data across several disks and increase the performance in accessing large amounts of sequential data, or the online backup function included in AIX Version 4.3.2. This book is aimed at every IT specialist who wants to know more about the core element of AIX, which is the Logical Volume Manager.
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