Logical Volumes vs. Partitions - the way of things

Dennis D. Calhoun dcalhoun at blomand.net
Tue Feb 12 04:36:34 UTC 2008


Thank you, Bob. You are truly a gift!

Amazed, as always,
Dennis

> On Mon, Feb 11, 2008 at 10:48:02PM -0500, Dennis D. Calhoun wrote:
>> Hello Mr. Stevens;
>>
>> Firstly, I've admired and respected your insights, obviously deep
>> knowledge, and more than substantial contributions to this list for
>> many
>> years. I've learned much in the process and still have a great deal
>> more
>> to learn.
>>
>> My comment and question: Logical Volumes offer much more capability, in
>> a
>> number of ways, than old fashioned partitions do. However, many current
>> operating systems cannot boot from a logical volume. What can you share
>> with us about this paradox?
>
> If I may interject my experiences, it's not a big problem.  I
> partition my drives with two 100MB partitions for alternative boot
> filesystems, and all the rest is one large partition which is devoted
> to the physical volume.  Then I allocate logical volumes as desired
> for /, /home, /var/log, /var/spool, /var/www, and so on.
>
> One caution - you should probably make another small, say, 2GB
> partition for /, and put, say, /usr in a logical volume, because LVM
> keeps its information in /etc, and it really doesn't like mucking with
> an LV containing its data.  I've not had to resize a root filesystem,
> yet, so I've not been bitten by this problem.  But I keep duplicate
> root filesystems, so I can always boot to the alternate to resize the
> current one.
>
>> Afterword: I don't know enough about the current Linux offerings to
>> know
>> whether or not any Flavor of Linux can boot from a Logical Volume, but
>> I
>> do know that Windows, of any flavor, cannot.
>
> To my knowledge none do because it has to load the kernel before it
> knows anything about LVM.
>
>> Sincerely,
>> Dennis D. Calhoun, MCSA
>
> Cheers,
> --
> Bob McClure, Jr.             Bobcat Open Systems, Inc.
> bob at bobcatos.com             http://www.bobcatos.com
> Dear friends, if our hearts do not condemn us, we have confidence
> before God and receive from him anything we ask, because we obey his
> commands and do what pleases him.  1 John 3:21-22 (NIV)
>
> _______________________________________________
> Redhat-install-list mailing list
> Redhat-install-list at redhat.com
> https://www.redhat.com/mailman/listinfo/redhat-install-list
> To Unsubscribe Go To ABOVE URL or send a message to:
> redhat-install-list-request at redhat.com
> Subject: unsubscribe
>





More information about the Redhat-install-list mailing list