Skip to main content


Showing posts from June, 2012

Windows Server 2012 storage = awesome sauce

We've been playing with the Windows Server 2012 release candidate on a new NAS system, and the combination of Storage Spaces and deduplication make for an impressive combination (see screenshot).

We copied a week's worth of database and disk-image backups from a few servers to a deduplication-enabled volume on the test system. This amounted to a total of 845 GiB of raw, uncompressed data files. After waiting a bit for the deduplication to kick in, we ended up with a 90% savings in space.

This is the kind of result usually seen on purpose-built and reassuringly expensive dedplication appliances such as those from Data Domain.

The data copy process itself was also quite interesting. We configured twelve 2TB 7200 RPM drives into a Windows Storage Spaces pool, and set up a 5 TB NTFS volume on them in parity mode. Storage Spaces give you much of the flexibility of something like ZFS or Drobo: you create a pool of raw disks, and can carve it up into thin-provisioned volumes with dif…