Date: Tue, 10 Apr 2007 11:20:57 +0200 From: des@des.no (Dag-Erling =?iso-8859-1?Q?Sm=F8rgrav?=) To: Jeremie Le Hen <jeremie@le-hen.org> Cc: freebsd-geom@freebsd.org Subject: Re: volume management Message-ID: <861wis4mbq.fsf@dwp.des.no> References: <20070408140215.GA54201@harmless.hu> <86k5wmu420.fsf@dwp.des.no> <461A4DDC.2090307@freebsd.org> <86odlxeeqt.fsf@dwp.des.no> <20070410071704.GB2102@obiwan.tataz.chchile.org>
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Jeremie Le Hen <jeremie@le-hen.org> writes: > Is there any difference between "glvm" and gvirstor ? I suppose there > are at least a few, but what are them ? gvirstor is a kind of "virtual memory" for disks - you pre-allocate address space and worry later about where to find physical space to back it. glvm works the other way around - you have a certain amount of physical space and manually allocate address space from it when you need it. glvm gives you flexibility without having to worry about over- committing your physical space; on the other hand, gvirstor can spare you the trouble of having to resize your file systems, but will be far more susceptible to fragmentation. DES --=20 Dag-Erling Sm=F8rgrav - des@des.no
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