Re: [Xen-users] LVM or file storage?

[Michael Watters <michael@xxxxxxxxxx>]

Daniel P. Berrange wrote:
> Also, I'd recommend fully allocating the disk space for your file image,
> rather than using sparse files - there is significant overhead involved
> in extending the sparse files at runtime which can lead to unexpected
> performance degradation. Sparse is fine for development/testing, but in 
> production you want non-sparse files.
> Regards,
> Dan.
>   
Not to mention some OSes don't support sparse files, like NetBSD.

For my machines I use LVM, it makes backups easier and giving a VM more 
space is a simple lvextend/growfs operation.  You can always run LVM on 
top of RAID, at least that will give you some redundancy.

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