On Fri, Oct 1, 2010 at 2:43 AM, Suvayu Ali fatkasuvayu+linux@gmail.com wrote:
Hi everyone,
I was wondering if there was any way I could convert an ext4 partition into an xfs partition without copying around files onto a separate partition and reformatting. The partition in question is my /home on a volume group of its own.
I don't have a real answer except perhaps to create a new LVM for XFS then slowly migrate files from one LVM/fs to the other. As you fill space on one, shrink the other filesystem to reclaim those LPs back into the VG. It's messy but should work. AFAIK, there is no in-place conversion utility as the two filesystems are quite different.
I realised, lately I have been dealing with very large files quite often. Ranging from few hundred megs to a gig or two. So I decided to switch to xfs. Do you think its worth the effort?
Curios about this though -- what sort of performance are you seeing with ext4 vs XFS? I'm running only a few XFS filesystems but I don't see a huge performance increase versus ext4. My workload is typically small sound files.
Also since we are talking about my /home here, there will also be small conf/settings files along with the large files. Do you think that would be disadvantageous somehow? Would it make more sense to shrink my /home and have a separate xfs partition in the created space for the large files?
Thanks for any thoughts on this.
-- Suvayu
Open source is the future. It sets us free.
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