Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.

mac os extended journaled

  1. S

    APFS on upgrading macbook

    Hi, I have purchased a new 2021 14 inch Macbook Pro. My old Macbook is the early 2016 12 inch Macbook on Mojave 10.14.3. The file system is Mac Os Extended (Journaled). You're meant to be able to, but I have never been able to update this to the new APFS as the option is greyed out. If I restore...
  2. C

    installed high sierra on external SSD, formatted as APFS and it created a 2nd/intermediate container. is this right? also what is vm/swapfile0?

    greetings people. i have a late 2012 imac, and just did a clean install for high sierra on an external SSD. i formatted it as APFS (think it's recommended for SSDs) and installed OS. now when looking at disk utility, and select 'show all devices', the above is the internal HHD, currently not...
  3. Skeptical.me

    "This Disk is Locked" Reinstalling macOS

    "This Disk is Locked" Reinstalling macOS I have a 2017 iMac 27" 5K with a 1TB Fusion Drive. I have always used an external SSD for the boot drive. Now I am selling it, I am trying to install macOS on the Fusion Drive. When I boot into Recovery and try to install macOS I'm asked what drive I...
  4. C

    does Mojave change the internal HD to APFS? Does it matter?

    I have a late 2012 iMac. The context of my question is - had high Sierra until last week, erased HD last week and installed Catalina. Decided to downgrade to Mojave. Erased HD again, but I think that it was formatted as type APFS (not aware that Catalina creates a 2nd partition and that there...
  5. F

    Formatting OWC Aura Pro X

    Hi, I'm new to this forum so I hope this post is okay. I just upgraded my mid 2014 Macbook Pro's SSD to a 240gb OWC Aura Pro X. All fine so far, now I need to format the drive. I have booted my mac holding down cmd opt R and have chosen option 4, disk utility. My question is: which disk do I...
  6. Q

    Help in Encrypting My MBP and External Backup HD's

    I've a MacBook Pro running High Sierra with an internal SSD and 2 external HDD's for backup. The first external is using Time Machine and the other is using Carbon Copy Cloner, in order to be bootable if needed. None of those 3 HD's are encrypted. For security/privacy I've been using encrypted...
  7. PhillyGuy72

    Another External Hard Drive became "Read Only"

    I know this is not the first post about this issue, I just can't seem to find a fix for this or why it keeps happening. Once again out of the blue last night, this is now the second external hard drive that suddenly changed to "read only" in less than 2 years. These are Mac ready WD external...