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So do most people convert their external devices to be compatible with High Sierra?
Posted by: Microman
Date: July 02, 2018 10:45AM
I am a little late to the High Sierra. But I was putting it on a new SSD, and after doing a little reading I realize that if I boot off the new drive when I install it internally, that I will not be able to read my MEDIA HD, or my other BACKUPS HD of FILES, but apparently Time Machine will be ok.

And I can change the formatting option using DISK UTIL to be compatible with my new internal SSD, but those HD, will now no longer be compatible with any other computer, unless it is running High Sierra.

Choices I wasn't ready to make

What have others done?

I read this article from 9 months ago, not sure much has changed

[www.pocket-lint.com]
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Re: So do most people convert their external devices to be compatible with High Sierra?
Posted by: FormerlySaleenl
Date: July 02, 2018 11:15AM
Your High Sierra machine can deal with APFS *and* HFS+ seamlessly with no issues. Your Sierra and older machines can deal with HFS+ but will not work at all with APFS drives. So if you have older machines, there is a big downside to converting your external drives to HFS+. In my opinion, the very small amount of benefit to converting your external drives to APFS does not outweigh the convenience factor.

You can back up to and use an external HFS+ drive with an APFS drive and it's fine that the formatting doesn't match. Except for one, I have kept all my backup drives as HFS+ for maximum compatibility. I have an SSD backup drive that is APFS formatted for testing purposes but my production backup drives are still HFS+.

Here's our brief advice on the topic:
Everything you need to know about Carbon Copy Cloner and APFS - [bombich.com]

We also ran extensive performance testing, and here are the results:[
High Sierra Testing and Known Issues -
[bombich.com]
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Re: So do most people convert their external devices to be compatible with High Sierra?
Posted by: GGD
Date: July 02, 2018 11:45AM
Quote
FormerlySaleenl
So if you have older machines, there is a big downside to converting your external drives to HFS+.

I think you meant to say that there's a downside to converting them to APFS. HFS+ gives the most flexibility, works with old and new OS versions.
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Re: So do most people convert their external devices to be compatible with High Sierra?
Posted by: Zoidberg
Date: July 02, 2018 12:09PM
Quote
GGD
I think you meant to say that there's a downside to converting them to APFS. HFS+ gives the most flexibility, works with old and new OS versions.

Agreed; for the moment, I'm waiting on converting externals to APFS. My internal SSD went APFS, and CCC can handle doing clones of it to non-APFS, so I'm good with waiting a bit.



YMMV (Your Mileage May Vary)
TETO (To Each Their Own)

(BTW, it's spelled < y'all >.)
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Re: So do most people convert their external devices to be compatible with High Sierra?
Posted by: Microman
Date: July 02, 2018 12:10PM
So this is my current internal drive, if I remove it, will it show up externally the way it is?



And these are the Install USB Cruzer the Original HD still located internally, and the new externally mounted 500 Gb SSD



What will I see and need to do, if anything, to have smoothest operation. I have a media drive I was hoping to see and drag PHOTOs, and iTunes back on the new Internal SSD, now High Sierra, and if I can't see the drive that makes it, a no choice option
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Re: So do most people convert their external devices to be compatible with High Sierra?
Posted by: FormerlySaleenl
Date: July 02, 2018 12:34PM
Quote
I think you meant to say that there's a downside to converting them to APFS. HFS+ gives the most flexibility, works with old and new OS versions.

Yes, whoops, that's what I meant.
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Re: So do most people convert their external devices to be compatible with High Sierra?
Posted by: btfc
Date: July 02, 2018 07:44PM
Here's a recent thread that discusses APFS:

[forums.macresource.com]

I haven't been impressed with the way Apple has rolled out APFS, and haven't been in a hurry to move to High Sierra.
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Re: So do most people convert their external devices to be compatible with High Sierra?
Posted by: sekker
Date: July 02, 2018 09:41PM
Holding with Sierra for the moment. Maybe my next Mac will have Mojave etc.
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Re: So do most people convert their external devices to be compatible with High Sierra?
Posted by: Sarcany
Date: July 02, 2018 11:37PM
Quote
sekker
Holding with Sierra for the moment. Maybe my next Mac will have Mojave etc.

Early testers seem to really like the interface in Mojave.

If Apple can fix the video problems; and the wacky APFS performance problems (especially with FileVault enabled); and the fill-your-drive-with-invisible-snapshots problem; and the disk-space reporting problem; and the weird window-refresh problems; and the GPU crashes; and the USB display driver problem; and the failure to disclose how hosed your system is going to be if you leave that checkbox checked for Desktop and Documents sync and that other checkbox in the storage options that pushes your files to the cloud without your knowledge when drive-space gets low; and if they manage not to introduce a bunch of new root vulnerabilities and other bugs; and if they bring the Disk Utility back up to par; and if they fix all the problems with SMB and ACLs and unexpected disconnects and failure to refresh windows where another user has changed the contents of a folder on a server; and if they refresh the server-platform instead of killing it then it might be a pretty good operating system.

Of course, I may be missing something.







Edited 1 time(s). Last edit at 07/02/2018 11:38PM by Sarcany.
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Re: So do most people convert their external devices to be compatible with High Sierra?
Posted by: Rolando
Date: July 02, 2018 11:42PM
My internal is partitioned into High Sierra and Lion. The HS Partition is invisible to Lion, since the HS is in APFS, but the HS has no problem seeing the Lion Drive.

BTW, your iDevices are most likely APFS as well.



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Re: So do most people convert their external devices to be compatible with High Sierra?
Posted by: sekker
Date: July 03, 2018 04:15PM
Quote
Sarcany
Quote
sekker
Holding with Sierra for the moment. Maybe my next Mac will have Mojave etc.

Early testers seem to really like the interface in Mojave.

If Apple can fix the video problems; and the wacky APFS performance problems (especially with FileVault enabled); and the fill-your-drive-with-invisible-snapshots problem; and the disk-space reporting problem; and the weird window-refresh problems; and the GPU crashes; and the USB display driver problem; and the failure to disclose how hosed your system is going to be if you leave that checkbox checked for Desktop and Documents sync and that other checkbox in the storage options that pushes your files to the cloud without your knowledge when drive-space gets low; and if they manage not to introduce a bunch of new root vulnerabilities and other bugs; and if they bring the Disk Utility back up to par; and if they fix all the problems with SMB and ACLs and unexpected disconnects and failure to refresh windows where another user has changed the contents of a folder on a server; and if they refresh the server-platform instead of killing it then it might be a pretty good operating system.

Of course, I may be missing something.

So long as target disc mode is still disabled, I'll pass unless I'm forced to use the new file format.
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Re: So do most people convert their external devices to be compatible with High Sierra?
Posted by: Sarcany
Date: July 03, 2018 05:52PM
Quote
sekker
Quote
Sarcany
Quote
sekker
Holding with Sierra for the moment. Maybe my next Mac will have Mojave etc.

Early testers seem to really like the interface in Mojave.

If Apple can fix the video problems; and the wacky APFS performance problems (especially with FileVault enabled); and the fill-your-drive-with-invisible-snapshots problem; and the disk-space reporting problem; and the weird window-refresh problems; and the GPU crashes; and the USB display driver problem; and the failure to disclose how hosed your system is going to be if you leave that checkbox checked for Desktop and Documents sync and that other checkbox in the storage options that pushes your files to the cloud without your knowledge when drive-space gets low; and if they manage not to introduce a bunch of new root vulnerabilities and other bugs; and if they bring the Disk Utility back up to par; and if they fix all the problems with SMB and ACLs and unexpected disconnects and failure to refresh windows where another user has changed the contents of a folder on a server; and if they refresh the server-platform instead of killing it then it might be a pretty good operating system.

Of course, I may be missing something.

So long as target disc mode is still disabled, I'll pass unless I'm forced to use the new file format.

Target disk mode is not gone.

The issue relates to installing the OS on a Mac that's booted into target mode. Apple won't let you do it. You need to be booted from the Mac that you're installing the OS onto. You also need a live Internet connection. Firmware updates are downloaded and installed during OS installs/updates.

If your iMac is in target mode and you're installing the OS while booted from a MacBook Pro then you'll end up installing new firmware on the MacBook Pro and skipping the updates on the iMac.

With firmware exploits out in the wild, it's hard to fault Apple for doing it this way.



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Re: So do most people convert their external devices to be compatible with High Sierra?
Posted by: Microman
Date: July 03, 2018 10:55PM
Switched my new SSD with HIGH SIERRA internally, and now It works. And I just plugged in the old HD, and it mounts and is recognized as well as the install HS USB stick. So all good.

Now if 500 GB is enough room, and if it is speedier enough for the $.

Oh, and I also turned on TRIM, with the command now included for 3rd party drives in Terminal.
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