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Advice on backup and replication
Hi all Im looking for some advice as I spec up a NAS system to do backups and remote file replication. We currently have a fairly new Dell T620 with multiple fast SAS drives as our server and da...
I agree that cost is a big factor, and egynte looks pricey to me (as a home user). I use Crashplan, but it might not have the enterprise features you want.
ReadyCloud runs on the NAS and clients. There is some sync from a client PC to the NAS, but that is pretty new stuff and has significant limitations. In particular, you can't select any folder you want for sync (which is very odd, and hopefully will be fixed). I think its something to watch, but not something you can bet your business on yet.
If I am getting your sizing correctly, your data churn is about 400 GB a year, with a base storage need of 4 TB. If you had a 12 TB data volume at each site, you could keep both backup exec backups and a daily accessible snapshot in parallel, using about 2/3 of the volume capacity. You'd be transferring about 2 GB of data over the wide area a day, which would take 5 hours a day over the existing leased lines (assuming it is all moving in one direction).
If you could automatically restore the backup exec backups at the remote end, then you'd cut the data transfer in half, but that would require some more work to implement.
If you enabled CoW on the backup destinations for the user-accessible data folders, then the remote NAS would have some rollback. Fragmentation is minimal, because you'd be copying complete files. The NAS has some built-in policies for pruning snapshots, so you can't guarantee recovery of every file version that is on the existing tapes. However, it could still be useful, especially if you run into issues where tapes can't be read. The storage cost is less than the data churn (if snapshots weren't pruned, then the storage cost would be the same as the data churn).
ReadyCloud runs on the NAS and clients. There is some sync from a client PC to the NAS, but that is pretty new stuff and has significant limitations. In particular, you can't select any folder you want for sync (which is very odd, and hopefully will be fixed). I think its something to watch, but not something you can bet your business on yet.
If I am getting your sizing correctly, your data churn is about 400 GB a year, with a base storage need of 4 TB. If you had a 12 TB data volume at each site, you could keep both backup exec backups and a daily accessible snapshot in parallel, using about 2/3 of the volume capacity. You'd be transferring about 2 GB of data over the wide area a day, which would take 5 hours a day over the existing leased lines (assuming it is all moving in one direction).
If you could automatically restore the backup exec backups at the remote end, then you'd cut the data transfer in half, but that would require some more work to implement.
If you enabled CoW on the backup destinations for the user-accessible data folders, then the remote NAS would have some rollback. Fragmentation is minimal, because you'd be copying complete files. The NAS has some built-in policies for pruning snapshots, so you can't guarantee recovery of every file version that is on the existing tapes. However, it could still be useful, especially if you run into issues where tapes can't be read. The storage cost is less than the data churn (if snapshots weren't pruned, then the storage cost would be the same as the data churn).
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