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Recommendations on hard drive backups

My hobby club has a RAID drive array that is network connected to the one PC that is used by the club to house an archive of our scanned photgraphs and documents. I am looking for recommendations on how to be back up the drives as they are today. I would also like recommendations on how to better configure the connection of the archive database on hard drives. (I suspect using the current network set-up is not the most effective).

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It's all about the size of the archive.

In reply to: Recommendations on hard drive backups

Now that 2TB USB HDDs are all over, for cheap, will that do? You can start the backup (your choice how, there is rarely a wrong choice but beware those that want the best (it's a trap) solution.)

As to the connection of the hard drives YOU NEVER TOUCH THAT UNTIL you have backup copies.

As to the network, it works so you don't touch until all is on backups (plural.)

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Size Does Matter - So does access to files....

In reply to: It's all about the size of the archive.

Thanks for the reminders - Don't change anything until the backups are done!! I believe the last time I was looking the database for files was about 2 TB and the RAID array can handle at least 4TB, so we are good for a while on the projects to scan in the documents and photos.

We also do have two 2TB hard drives (WD ones) which were bought hastily to "do something" before the group started looking for someone to think the process through (me, long-time IT software project manager) and recommend a "best solution". Short term I am proposing setting up the stand along two 2 TB backup drives on a USB Hub (3.0) and connect that to the PC. Then set up a batch job to copy the files on the RAID array on to the backup drives and just let it run without any more scanning being done until it is finished.

Alternate scheme is put the two backup drives on a network hub (assuming they can be connected that way - needs to be confirmed) and perform the backup the same way.

PC is an HP all-in-one (I don't have the model number) and I think will end up being the bottleneck to this process. Hopefully it doesn't go up in flames from all the heat generated! We really do need to upgrade to a more robust device to act as a server and a gateway for access to the archives over the web - but that's another project for another day...

So for now, manual backup process and then build the "elegant" solution. Thanks for the tips and reminders to back up first before you do anything else.

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I wonder about the bottleneck.

In reply to: Size Does Matter - So does access to files....

We used a single 60MHz Pentium One to drive our office network decades ago. It didn't seem to the bottleneck. There's the old https://en.wikipedia.org/wiki/Amdahl%27s_law where you can increase parts of the machine but that doesn't increase throughput.

That is, the network speed is far lower than what the "server" can deliver so it rarely matters what that server is.

Due to changes at the office I'm just about to setup an Intel NUC with a dual or quad core Celeron to be a GIT server. It really is all about how much the network and such connection speeds are and not as much about the horsepower of the machine today.

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Backup

In reply to: Recommendations on hard drive backups

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