[ale] Debian and LVM

[Lightner, Jeff]

LVM is great after you get over what appears to be an illogic.   I remember years ago when I first saw it on HP-UX thinking "Why would you combine disks together (into a VG) just to break them up again (into LVs)?"

Once you realize it overcomes slicing/partitioning limitations of individual disks AND doesn't require re-layout of partitions "above" the one currently being adjusted its value becomes obvious.

The only issue I've seen with its use in Linux is that many users mistakenly assume it somehow replaces the need for RAID protection of disks.   Ideally one uses hardware RAID (either via a RAID HBA or via external storage) and lays out LVM on top of that.   Of course one can always layout LVM on top of mdadm RAID devices as well.

-----Original Message-----
From: ale-bounces at ale.org [mailto:ale-bounces at ale.org] On Behalf Of Chuck Payne
Sent: Monday, March 21, 2011 3:37 PM
To: James Sumners
Cc: Atlanta Linux Enthusiasts
Subject: Re: [ale] Debian and LVM

I use LVM on openSUSE and RHEL all the time, just never ran into this,
from what I am reading seems to be a bug on Debian with LVM.

Chuck

On Mon, Mar 21, 2011 at 3:30 PM, James Sumners <james.sumners at gmail.com> wrote:
> Not that I know of. But I also don't like LVM and never use it. So you
> should do your research first.
>
> On Mon, Mar 21, 2011 at 3:29 PM, Chuck Payne <terrorpup at gmail.com> wrote:
>> Is this straight forward, any gotcha?
>>
>> On Mon, Mar 21, 2011 at 2:38 PM, James Sumners <james.sumners at gmail.com> wrote:
>>> Boot with a rescue CD and restore the LVM.
>>>
>>> On Mon, Mar 21, 2011 at 1:42 PM, Chuck Payne <terrorpup at gmail.com> wrote:
>>>> My wife turn off the power to my ESXi that runs server hosts, all came
>>>> back up, expect my Debian Server. When I watch it boot up it says that
>>>> it's resuming, then after a couple sec it states that can't find the
>>>> Logical Volume. After sitting for about a minute or so, it comes this
>>>> promt.
>>>>
>>>> #initramfs
>>>>
>>>> Anyone see this before? Any clue how I can fix it?
>>>>
>>>> --
>>>> (678) 636-9678
>>>> -----------------------------------------
>>>> Discover it! Enjoy it! Share it! openSUSE Linux.
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>>>>
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>>>
>>>
>>>
>>> --
>>> James Sumners
>>> http://james.roomfullofmirrors.com/
>>>
>>> "All governments suffer a recurring problem: Power attracts
>>> pathological personalities. It is not that power corrupts but that it
>>> is magnetic to the corruptible. Such people have a tendency to become
>>> drunk on violence, a condition to which they are quickly addicted."
>>>
>>> Missionaria Protectiva, Text QIV (decto)
>>> CH:D 59
>>>
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>>
>>
>>
>> --
>> (678) 636-9678
>> -----------------------------------------
>> Discover it! Enjoy it! Share it! openSUSE Linux.
>> -----------------------------------------
>> openSUSE -- en.opensuse.org/User:Terrorpup
>> openSUSE Ambassador/openSUSE Member
>> skype,twiiter,identica,friendfeed -- terrorpup
>> freenode(irc) --terrorpup/lupinstein
>> Register Linux Userid: 155363
>>
>> Have you tried SUSE Studio? Need to create a Live CD,  an app you want
>> to package and distribute , or create your own linux distro. Give SUSE
>> Studio a try. www.susestudio.com.
>>
>
>
>
> --
> James Sumners
> http://james.roomfullofmirrors.com/
>
> "All governments suffer a recurring problem: Power attracts
> pathological personalities. It is not that power corrupts but that it
> is magnetic to the corruptible. Such people have a tendency to become
> drunk on violence, a condition to which they are quickly addicted."
>
> Missionaria Protectiva, Text QIV (decto)
> CH:D 59
>



-- 
(678) 636-9678
-----------------------------------------
Discover it! Enjoy it! Share it! openSUSE Linux.
-----------------------------------------
openSUSE -- en.opensuse.org/User:Terrorpup
openSUSE Ambassador/openSUSE Member
skype,twiiter,identica,friendfeed -- terrorpup
freenode(irc) --terrorpup/lupinstein
Register Linux Userid: 155363

Have you tried SUSE Studio? Need to create a Live CD,  an app you want
to package and distribute , or create your own linux distro. Give SUSE
Studio a try. www.susestudio.com.

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