[mdlug] Drive Assignment Changed when Reinserted into Server

[Robert Adkins II]

I have never palyed around with LVM, seen it as an option, just never played
with it.

I'll have to give that some testing on the upgrading email server. For now,
the new fileserver is live and I really don't want to mess with it until I
know exactly what is going to happen.

Thanks for the info and now reason to look into LVM.

Regards,
Rob
 

> -----Original Message-----
> From: mdlug-bounces at mdlug.org 
> [mailto:mdlug-bounces at mdlug.org] On Behalf Of Michael Mol
> Sent: Monday, July 02, 2012 3:32 PM
> To: awilliam at whitemice.org; MDLUG's Main discussion list
> Subject: Re: [mdlug] Drive Assignment Changed when Reinserted 
> into Server
> 
> On Mon, Jul 2, 2012 at 3:25 PM, Adam Tauno Williams 
> <awilliam at whitemice.org> wrote:
> > On Mon, 2012-07-02 at 10:38 -0400, Robert Adkins II wrote:
> >> Thanks for the extra information.
> >> I want to eliminate potential issues before they become issues.
> >> I'll review blkid and also LVM.
> >
> > If you can switch to LVM *TODAY*.  It is *THE* solution, everything 
> > else is a work-around.
> >
> > But at least use UUIDs for identifying drives rather then 
> device names.
> > There is no real reason to every use device names on modern systems.
> >
> >> Still aiming for the goal of a good clean HD based backup system.
> >
> > LVM provides snapshots AND the ability to migrate logical 
> volumes and 
> > portions of logical volumes between physcial volumes.  Very 
> hand for 
> > doing upgrades in hot-swap enclosures.
> 
> +1 on LVM.
> 
> My preferred configuration puts LVM on top of RAID; a single 
> RAID array becomes a single LVM PV and VG.
> 
> btrfs is getting close, for me, but I'm not going to take the 
> plunge for a while yet. ZFS on FreeNAS is nice in the one 
> context I've used it...but I haven't read through any 
> literature for good practices and error recovery for 
> btrfs/zfs-style setups.
> 
> 
> --
> :wq
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