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Old Jan 6th, 2017, 09:41 AM   #1
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1 iMac 2 time machine backups?

I use time machine for our Macs at work, each has their own backup. One computer is the main computer with all our data and it is backed up regularly via time machine. I want an offsite backup as well. I bought a device... well pre ordered that will let me plug in an external hard drive at home and be able to connect to it at work like a normal external drive. So I want to have 2 time machine backups, one to the local drive that will be connected and the other to the offsite drive that will be connected. Does MacOS allow me to do this?

I will say I am not stuck on having it done by time machine for the offsite backup. I am open to options for daily automatic incremental backups if there is something else that will do this.

thanks
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Old Jan 6th, 2017, 10:41 AM   #2
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My gut says it would be painfully slow, both in setting up the backup and restoring. Can't say for sure if it will work; but if you do manage it, I suggest you selectively backup (i.e. blacklist everything but Documents)

Other simple options would be rsync or CCC.
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Old Jan 6th, 2017, 11:05 AM   #3
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I would strongly caution against using Time Machine for mission-critical data. It's unreliable at best, and prone to database corruption. I've seen many people burned by its failures.

Install an encrypted backup service like Backblaze, which will keep an offsite copy of data up to date. You could use Time Machine as a local/extra backup.
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Old Jan 6th, 2017, 12:34 PM   #4
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I would strongly caution against using Time Machine for mission-critical data. It's unreliable at best, and prone to database corruption. I've seen many people burned by its failures.

Install an encrypted backup service like Backblaze, which will keep an offsite copy of data up to date. You could use Time Machine as a local/extra backup.
Have been using Time Machine since its inception and thankfully no issues yet. I will keep that in mind. I do want to control the backups myself, I do have what I need for offsite backup just want/need an app that will do it automatically. I don't want to have to remember to manually do backup, just set it and forget it.

I am sure it will be slow the first time, though I think I will be able to do the initial backup onsite and then let it do incremental backups after that as it is supposed to act like an external drive even though it will not be on site.

I have never used CCC, but heard many good things from people. Does it have automated backup options?
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Old Jan 6th, 2017, 01:10 PM   #5
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Have been using Time Machine since its inception and thankfully no issues yet. I will keep that in mind. I do want to control the backups myself, I do have what I need for offsite backup just want/need an app that will do it automatically. I don't want to have to remember to manually do backup, just set it and forget it.

I am sure it will be slow the first time, though I think I will be able to do the initial backup onsite and then let it do incremental backups after that as it is supposed to act like an external drive even though it will not be on site.

I have never used CCC, but heard many good things from people. Does it have automated backup options?
Backblaze is automated and off-site for your needs. It's pretty inexpensive, too.
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Old Jan 6th, 2017, 04:11 PM   #6
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I am sure it will be slow the first time, though I think I will be able to do the initial backup onsite and then let it do incremental backups after that as it is supposed to act like an external drive even though it will not be on site.
Not just the first time. IIRC the image file needs to be mounted each time to do the backup/restore. It'll be slow every time, and slower as the backup size grows.
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Old Jan 6th, 2017, 11:27 PM   #7
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Not just slow in the processing. Remember Upload speeds are about 10% of your download speed, not to mention the amount of bandwidth that would be consumed.... YMMV.
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Old Jan 7th, 2017, 04:57 PM   #8
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I have never used CCC, but heard many good things from people. Does it have automated backup options?

Yes, all kinds of options.

I'm not sure about it and remote backups though, maybe check their site:
https://bombich.com
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Old Jan 7th, 2017, 06:21 PM   #9
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Backblaze is automated and off-site for your needs. It's pretty inexpensive, too.
I tried Backblaze once and it told me it would take 169 days to upload my files at my current speed .99 mbps up. Gave that up as a bad idea.
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Old Jan 9th, 2017, 09:52 AM   #10
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I am not worried about bandwidth, have unlimited at work with 60 down and 10 up. Home I have 100 down and 20 up I believe. I am going to look at CCC. I have all the hardware so paying someone else to host it and adding a monthly fee, albeit small, is just not something I want to do right now.

Off topic... When I was looking at the back blaze website I noticed they were using pretty antiquated Macs there. Those old G5's or early Intel C2D macs. Think it might be time for an upgrade!
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