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Upgrading OS X on a RAID
Posted by: Mr645
Date: November 08, 2020 11:56AM
Currently on 10.11.6 and looking to go to at least 11.14.6

Can I install the update to an external Time Machine disk? And the restore back to the RAID 0 array?

Other ways to upgrade the RAID 0 boot volume?
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Re: Upgrading OS X on a RAID
Posted by: hal
Date: November 08, 2020 12:44PM
Mac OS is only supported through 10.12 on a boot RAID. Some said back in the 10.13 days that you could install on an external and copy back to the RAID, but I wouldn't do it. I use to be a RAID boot drive kinda guy too, but I didn't want to risk my main machine.



Edited 1 time(s). Last edit at 11/08/2020 12:45PM by hal.
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Re: Upgrading OS X on a RAID
Posted by: Sarcany
Date: November 08, 2020 12:56PM
Quote
Mr645
Can I install the update to an external Time Machine disk?

No. You'd be installing a "clean" OS onto the TM drive. Your TM backup is not a simple copy of your drive-data that can be upgraded like that.


Quote
Mr645
Other ways to upgrade the RAID 0 boot volume?

Time to ditch the boot-RAID.

Can you swap in a SSD? SSD will almost certainly be faster and more power-efficient and run cooler than an old striped RAID.



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Re: Upgrading OS X on a RAID
Posted by: jdc
Date: November 08, 2020 01:01PM
Quote
Sarcany
Time to ditch the boot-RAID.

Can you swap in a SSD? SSD will almost certainly be faster and more power-efficient and run cooler than an old striped RAID.

This.



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Edited 999 time(s). Last edit at 12:08PM by jdc.
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Re: Upgrading OS X on a RAID
Posted by: Mr645
Date: November 08, 2020 01:07PM
Yea, seems like what I need to do. It's a 2012 Mini with a pair of 1TB drives so I need to replace with a 2TB SSD.

Thanks Apple.
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Re: Upgrading OS X on a RAID
Posted by: jdc
Date: November 08, 2020 01:13PM
Quote
Mr645
Thanks Apple.

Not sure how this relates -- 8 years ago, a 128GB SSDs would be more than the mini cost.

How much data do you have on the drive? Do you really need a full 2TB?

You have USB 3, so super easy to hang a NVMe drive off the back and use it as a boot, keeping the internal as a RAID 0 for storage. Sadly, the RAID 0 of 2.5" drives is super slow relative to any SSD. SSD will give it a nice boost in performance.



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Edited 999 time(s). Last edit at 12:08PM by jdc.
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Re: Upgrading OS X on a RAID
Posted by: anonymouse1
Date: November 08, 2020 03:40PM
Agree with going with an external rather than internal RAID. NVME will give you better future-facing flexibility.
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Re: Upgrading OS X on a RAID
Posted by: Mr645
Date: November 08, 2020 03:41PM
Quote
jdc
Quote
Mr645
Thanks Apple.

Not sure how this relates -- 8 years ago, a 128GB SSDs would be more than the mini cost.

How much data do you have on the drive? Do you really need a full 2TB?

You have USB 3, so super easy to hang a NVMe drive off the back and use it as a boot, keeping the internal as a RAID 0 for storage. Sadly, the RAID 0 of 2.5" drives is super slow relative to any SSD. SSD will give it a nice boost in performance.

There is around 1.2 TB of data on that raid. I was just hoping for a workaround without buying a 2 TB SSD ad taking apart the mini



Edited 1 time(s). Last edit at 11/08/2020 03:42PM by Mr645.
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Re: Upgrading OS X on a RAID
Posted by: hal
Date: November 08, 2020 04:36PM
The problem with the internal raid/external boot drive is that you never had to wait for your raid to spin up before - you will now. And it's ANNOYING!
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Re: Upgrading OS X on a RAID
Posted by: jdc
Date: November 08, 2020 06:12PM
Then just go with external 2TB NVMe. About $225. Maybe some deals coming up?



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Edited 999 time(s). Last edit at 12:08PM by jdc.
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