If you need to reformat the disk, follow the steps in this tutorial: Open Disk Utility and check what format is being used. I would not be surprised if your drive reaches 50*C+ under sustained load.Before you start, you need to make sure the external drive you are using is formatted for Mac OS Extended (Journaled). Yes, you can throw hardware at the problem (sVDEVs in TrueNAS-land, for example) but the bottom line is that if you can avoid having hundreds of thousands of tiny files floating around, you should, just to reduce fragmentation.įWIW, the typical plastic cases that ship with external drives are only really good at making shucking attempts readily apparent and marinating the drives in their own juices under load. Especially with a HDD-based NAS, small files have a terrible performance impact. More importantly, it packs all the little files into larger bands which in turn will help transfer significantly.Īll my backups of laptops past are now in sparsebundle images, significantly cutting down on the number of files CCC has to keep track of (ditto my NAS). This is where creating images (especially sparsebundle images) can be vary helpful as the sparsebundle can be set to stay small and only grow as it's filled. Your transfer rate is off unless you're dealing with bazillions of little files. Doesn't matter if it's a DAS or NAS hooked up to my computer, it just works. I have had remarkably good results cloning stuff with carbon copy cloner by bombich. Is there anything I can do to make this go faster? There is currently no noise, so I don’t want to jinx it, but it is annoying as hell.
I am convinced in every single way, that there is something wrong with the fan, or a bearing in my WD My Home Duo 16TB, but I am afraid if I try to fix it, I will loose the data that is currently on the drives, so I have already forked out $700 for an external 16TB (I know it sucks but was getting desperate) and have started the transfer process. Have an iMac and backup strategy has continued to be, when something is wrong with my drives or I need more space, I clone it, or manually drag what I have to, than either archive hard drive, or delete it and use for something else.īut I am sure I don’t have to reiterate specifically on this subreddit how long it fucking takes, especially if it is NAS to External USB 3 hard drive, even if it is (allegedly) transferring at 40Mbits a second it has been going for 10 hours and at least 7hrs left to go, for 2.8TB.
Have probably asked on here before but I don’t know if I either 1.
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