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  #1  
Old 10-31-2017, 05:17 PM
tideman tideman is offline
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Backup to HFS+ or APFS-formatted drive

I'm not running High Sierra on either of my SSD-equipped iMacs, but with today's release of 10.13.1 I'm thinking of updating. I currently back them up to HFS Plus-formatted HDDs. After updating the computers to High Sierra, will I also need to update the backup HDDs to APFS before I use SuperDuper! beta so that I end up with bootable clones? Thanks!
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Old 10-31-2017, 05:19 PM
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dnanian dnanian is offline
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You can keep using HFS+ volumes if you'd like. (I'm using APFS destinations for my 'real' backups, but we test HFS+ destinations as well, of course.)
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Old 10-31-2017, 05:27 PM
tideman tideman is offline
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Quote:
Originally Posted by dnanian View Post
You can keep using HFS+ volumes if you'd like. (I'm using APFS destinations for my 'real' backups, but we test HFS+ destinations as well, of course.)
Thanks, Dave. Is there any advantage to one over the other? Are APFS backups preferable for any reason?
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Old 10-31-2017, 05:31 PM
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dnanian dnanian is offline
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I try to talk generally about the benefits of using APFS for your backups here:

http://www.shirt-pocket.com/blog/ind..._transmission/
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Old Today, 06:36 PM
Hoosier_1701 Hoosier_1701 is offline
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Iím really interested in this question as well. I donít see anything in that post that appears to address it though. Am I looking in the wrong place? Where do you discuss APFS vs HFS+for the backup volume?
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Old Today, 08:04 PM
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dnanian dnanian is offline
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The general discussion of flexible partitioning, volume creation, explicit support for multiple boot volumes, etc? Isn't that in there?

(Not to mention APFS doesn't need journaling and is more robust... it has problems running as a constantly part-updated boot volume, but as a backup volume, the general issues of micro-fragmentation are avoided, because we're not updating in the middle of files...)
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Old Today, 08:05 PM
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dnanian dnanian is offline
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The general discussion of flexible partitioning, volume creation, explicit support for multiple boot volumes, etc? Isn't that in there?

(Not to mention APFS doesn't need journaling and is more robust... it has problems running as a constantly part-updated boot volume, but as a backup volume, the general issues of micro-fragmentation are avoided, because we're not updating in the middle of files...)
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