Re: [TCLUG:12468] talk on Linux Logical Volume Manager at U of MN

[Clay Fandre <cfandre@maddog.mn-linux.org>]

Anyone go to this? Care to share with the rest of us?

Matthew O'Keefe [okeefe@styx.borg.umn.edu] wrote:
> 
>        ********  Special Computer Engineering Seminar  ***********
> 
>                 January 18th, 2000 from 7:00pm-9:00pm
>             Amundson Hall (Chemical Engineering), Room B 75
>                        University of Minnesota
>                        Minneapolis, Minnesota
>                      (here's a map to Amundson: 
>               http://onestop.umn.edu/Maps/AmundH/index.html)
> 
> ========================================================================
> 
>                LVM - a Logical Volume Manager for Linux
>                       Past, Present and Future
> 
>                            Heinz Mauelshagen (Linux LVM author)
>                                 T-Nova
>                            Darmstadt, Germany
> 
> A Logical Volume Manager (LVM) is a subsystem for on-line disk storage
> management which has become a de-facto standard accross UNIX implementations
> and is a serious enabler for Linux in the Enterprise Computing area.
> 
> It adds an additional layer between the physical peripherals and
> the i/o interface in the kernel to get a logical view of disks.
> Unlike current partition schemes where disks are divided into
> fixed-sized sections, LVM allows the user to consider disks, also known as
> physical volumes (PV), as a pool (or volume) of data storage,
> consisting of equal-sized extents. 
> 
> A LVM system consists of arbitrary groups of physical volumes,
> organized into volume groups (VG). A volume group can consist of one or more
> physical volumes. There can be more than one volume group in the system.
> Once created, the volume group, and not the disk, is the basic unit of data
> storage (think of it as a virtual disk consisting of one or
> more physical disks). 
> 
> The pool of disk space that is represented by a volume group can be apportioned into virtual partitions, called logical volumes (LV) of various sizes.
> A logical volume can span a number of physical volumes or represent only a
> portion of one physical volume. The size of a logical volume is determined
> by its number of extents. Once created, logical volumes can be used like
> regular disk partitions - for eg. to create a file system or as a swap device. 
> 
> The talk includes the starting-points, objectives and basic 
> conceptional issues of the LVM for Linux.
> A demonstration of existing commands and usage szenarios follows.
> A look into future features and extensions will finish the talk.
> 
> Mr. Mauelshagen's trip to the University of Minnesota is being 
> sponsored by the Parallel Computer Systems Laboratory in the
> Dept. of ECE. If you would talk to Heinz Mauelshagen during his 
> stay in Minnesota, contact Matthew O'Keefe at 612-625-6306 or via
> email at okeefe@ece.umn.edu.
> 
> 
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-- 
Clay Fandre
cfandre@maddog.mn-linux.org
Twin Cities Linux Users Group
http://www.mn-linux.org