Recover your data from SAN snapshots for FREE
SAN snapshots are the fastest way to secure your data, especially if you are using offloading API's like VAAI. So since it is fast and the timeframe is small, some people want to use san snapshots as a backup procedure. There are a few issues here; the first issue is that if you want a longer retention, you will need to keep all your snapshots online and this will take too much precious production data in your tier1 storage array. The second issue is that a lot of SAN products today still don't like working full-time on top of nested snapshotted LUNs.
Read more