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Date: Thu, 5 Nov 2009 15:35:06 -0500 (EST)
From: "Stuart D. Gathman" <stuart@bmsi.com>
Subject: Re: [linux-lvm] PFree is 0 on a drive with nothing on it
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To: LVM general discussion and development <linux-lvm@redhat.com>

On Thu, 5 Nov 2009, Adam Mooz wrote:

> That is correct.  All drives are part of 'fileshare/lv_fileshare', which only
> has 400GB of data on it at the moment; which I can see reflected in the PFREE
> columns of the PVS output.  Is there an easy way to force the LVM to rescan
> it's allocation unit or would I have to remove the drives and re-insert them
> into the LVM?

Think of LVM as a kind of local SAN.  LVs are "virtual disks".  You allocated
a 2TB virtual disk called /dev/fileshare/lv_fileshare.  Disk drives don't
know anything about filesystems that use them.

-- 
	      Stuart D. Gathman <stuart@bmsi.com>
    Business Management Systems Inc.  Phone: 703 591-0911 Fax: 703 591-6154
"Confutatis maledictis, flammis acribus addictis" - background song for
a Microsoft sponsored "Where do you want to go from here?" commercial.