[PVE-User] Problem with sparse files disks

Dietmar Maurer dietmar at proxmox.com
Mon May 3 12:32:11 CEST 2010

> All my VMs uses sparse files as disks (raw format). I wanted to migrate
> all my VMs from a server to another (same characteristics, same disk
> space, ...) After a while, I got an error, no space left on device. I
> checked VM disks size with du -sm. The surprise was : On the master, a
> 50Go disk reported a size of 1Go (normal, it's a sparse file), but once
> migrated, it reported a size of 50Go... Maybe you should consider using
> the '-S' option of rsync (handling sparse files). But I don't know what
> is the effect of -S option on a non-sparse file.

I just uploaded a fixed version of 'libpve-storage-perl' to the pvetest 
repository. This should handle sparse files correctly.

- Dietmar

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