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Mid 2010 Model A1278 / 2.4 or 2.66 GHz Core 2 Duo processor

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Paritions with 10.6 on one and 10.13 on the other

I have my old MacBook Pro that has 10.6.4 Snow Leopard just if I want to mess around + to run old software, but now I also need it to host a “server” (if you could call it that) - so I need 10.13 High Sierra on it.

Problem is, I don’t want to go through those 8 hours of installing 10.6 on this computer again + I may need to use that older software again, so I want to have one partition be 10.6 and the other be 10.13. Would it be possible even with 10.13 using the APFS file format?

I know absolutely nothing about software - so sorry if this sounds like a rather dumb question.

Answer this question I have this problem too

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Your system really can’t support APFS. APFS is a very chatty file system unlike HFS+ (Journaled File System) so you loose performance and run into SATA cache issues.

SATA based systems should stick with HFS+ running Sierra. High Sierra is an odd duck! It was the first release of APFS and Apple has already gone to the third version (Big Sur I think is running something still newer!). Remember your system is also running SATA II (3.0 Gb/s) so its not the fastest HDD and even if you had upgraded it to an SSD won’t leverage what the drive can offer.

So setting up HFS+ is your best option or better yet setup a second drive and just levered the Startup Manager using the Option (⌥) key

Reference: Mac startup key combinations

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I absolutely know that, but unfortunately what I need to run those "servers" needs High Sierra - so I have no choice.

All I'm asking is whether it would be possible to have both of them on the same drive (with partitions)


@amatsuda223 - What App {Server} are we working with here?

I've haven't encountered any app that required High Sierra APFS to work. If there is an API that the OS has we can overcome the APFS issue running HFS+ with High Sierra.


@danj nevermind - found out that you could download older versions of said server app. I'll install Sierra on it I guess


@amatsuda223 - What is the app?


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amatsuda will be eternally grateful.
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