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Best offsite solution when amount of data is huge



I have a client which needs a backup service. Nothing weird there!!

The issue is that this is a small company, but has almost 40TB of data. See the problem??

Yes, we can archive some of this away, but it will still leave us with around 5TB of active data, and 15TB of recent data.

The client is an AV client, in that they make TV commercials and the like. Due to this, individual files can be 100s of GBs in size.

Any of the Channel solutions, eg Datto, is farrrrrrrr too expensive for the client.

I have a few ideas in my head, but I am sure that you wonderful people can come up with better.

I would prefer this was an automated solution, takes the data offsite (it can come to our office, or hosted server), and is as cost effective as possible.

The client is fine buying equipment, but does not want a monthly bill of $10,000s per month.

Any thoughts?



Avatar of Lee W, MVP
Lee W, MVP
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Assuming all the data is in VMs (which it should be for the last 10 years), then I would suggest the strategy I use:

Use Altaro / Hornet Security VM Backup and backup locally (you can use external hard drives/NAS/etc).  Then push periodic backups directly (through the VMBackup software) to Wasabi - $6/TB/Month with no egress fees. Altaro does GREAT at compression.  Your biggest issue will be getting the data there unless they have a GREAT upload link.  I can't promise anything and it depends on the frequency with which the data changes, but you COULD see monthly fees of $200-300 with what you've described, far less than tens of thousands per month.

Another alternative would be Comet Backup - You could subscribe to them, host your own server, install the agent on their servers, and backup to your office (or their office) with a Carbonite like agent.  They charge per host installed, not per GB (unless you use their storage; if you use your own, you could buy a large NAS and backup to it).  This could be a service you offer all your clients. Or not.  I like the product and have been using it for several years now.

(I offer both Altaro and Comet backup services to clients because I feel better having more than one recovery option and the price for both is, IMO, very good).


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40 TeraBytes Is not huge in todays world, 40 Petabytes would be!

What's the upload speed on the WAN link?

An off-site offload to cloud like BackBlaze B2 which is the least expensive per TB would be an option. Veeam has S3 offload built-in.

The catch will be the upload limit on the internet connection.

Another option would be to build an inexpensive Storage Spaces based box with ReFS that acts as a backup destination. There are some neat little pedestals out there with 8 hot swap bays with SSD mounts on top that one can install a Micro-ATX server board into. Very inexpensive build. A small 5-port 10GbE switch with an Intel X550T2 installed in the source server and the backup unit and you're going to push 500MB/Second+ backup speeds (using Veeam for us).

More can be said but that upload speed needs to be a known commodity.

Avatar of gaz629


Hi All,

Thanks for the input.

The upload is 128mb/s.

The data is held on a specialized NAS, no virtual machines, .


Is that 128 Mb/s or 128 MB/s?  HUGE difference.  128/s Mb will 8x longer than 128 MB/s. Further, at 128 MB/s, that will take not less than 3.6 DAYS to upload 40 TB.  And a month to upload at 128 Mb/s.

Since this is a specialized NAS, I would contact the NAS vendor.  Some NAS devices have applications that can be installed to perform off-site backups.  I would be asking the NAS vendor what solutions they can suggest for off-site backup.  If this were a NAS where the drives are mounted to VMs via iSCSI, it wouldn't be a problem, but specialized systems like this can LIMIT your options and any time you use specialized things, it often means more expensive solutions for add-ons/maintenance/backup.  They may be stuck with a huge bill for off-site backup.

At best, they may be able to buy another unit and replicate to it... problem with that, REPLICATION is NOT backup - it protects against hardware failure, but not against malware - an infection on one gets REPLICATED to the other!

Backup to tape would probably be an option here. It would mean swapping a suitcase worth of tapes once a week but at least there'd be offsite backup.

Avatar of gaz629


Thanks everyone, lots to think on. I think, with the lack of upload, it is going to be tapes.