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fausttiger Author

Level 1

23 points

Upgrading from Sierra to High Sierra with 850 PRO Series SSD SATA

If I run the update to High Sierra, are there any conversion issues I need to be aware of with the current boot Samsung 850 Pro SSD?

My Samsung 1TB 850 PRO Series SSD SATA has been running fine on Sierra since installed.

MacPro 5,1 - Mid2010 with 3.33G 6-core, 24G, Filevault 2

SATA II direct connection on sled, did not upgrade internally to SATA III.

1.02 TB logical volume Mac OS Extended (Journaled, Encrypted),,GUID Partition Map. Child count: 3

Boot ROM Version MP51.0007F.B03

SMC version System): 1.39f11

SMC Version (processor tray): 1.39f11

I see varied issues discussed here... some how zero problems, some do not (but their use case may vary).

Looking to do an upgrade, not a fresh install. But Sierra was a clean install into the 850 Pro.

Tony

Posted on May 28, 2018 8:02 AM

Best reply

Grant Bennet-Alder

Level 10

127,717 points

Posted on May 28, 2018 8:43 AM

There is a one-time firmware update to make the transition to High Sierra. It is thought to be fully backward-compatible. You must follow the complicated directions, or it will not install properly. Installing that firmware update seems to require an Apple-firmware graphics card, or one that shows as OpenGL without an added Driver.

The firmware update package is placed on your Boot Drive, and set startup for the next restart. Once completed, the firmware lives on the processor card, not on any drive.

Once the firmware update is completed, the process of upgrading to High Sierra will convert your existing SSD boot drive from old-standard MacOS HFS+ extended (journaled) to the new standard Apple File System (APFS).

Any time you make so many changes, it is Prudent to have at least one and preferably TWO trusted backups, preferably using different methods.

There have been no reports here of problems with those SSD drives (or any others) failing to convert properly or fail in the process of conversion, but your mileage may vary.

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Upgrading from Sierra to High Sierra with 850 PRO Series SSD SATA

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