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Mac os x startup disk size install#
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However, Apple regularly updates the OS X installers it makes available for download from the Mac App Store.

Mac os x startup disk size install#

A bootable install drive you create from that installer will install OS X 10.9.0. For example, if you downloaded OS X 10.9 on the day Mavericks was released, you downloaded the 10.9. What? You didn’t even realize that there are different versions of the installer? It turns out that when you download an OS X installer from the Mac App Store, that copy of the installer contains whatever version of OS X was available at the time of download. Get the latest version of the Mavericks installerīefore you make a bootable install drive, you should make sure you have the latest version of the Mavericks installer. If you own Mavericks only because you bought a Mac that shipped with Mavericks preinstalled-in other words, you never purchased the OS from the Mac App Store-use our instructions for creating a bootable Mavericks install drive for newer Macs, instead of the instructions here. If your Mac came preinstalled with Mavericks Thankfully, it’s not too difficult to create a bootable install drive from the Mavericks installer.

Mac os x startup disk size license#

Also, if you need to reinstall Mavericks, recovery mode requires you to download the entire 5.3GB installer again.) Finally, if you need to install Mavericks over Leopard-assuming you have the license to do so-a bootable install drive makes that process easier. (The OS X Recovery feature is a big help here, but not all Macs have it-and if your Mac’s drive is itself having trouble, recovery mode may not even be available. Also, if your Mac is experiencing problems, a bootable install drive makes a handy emergency disk. But there are a good number of reasons you might want a bootable Mavericks installer on an external hard drive or a thumb drive (USB stick).įor example, if you want to install Mavericks on multiple Macs, using a bootable install drive can be more convenient than downloading or copying the entire installer to each computer. Instead, it’s available only as an installer app downloadable from the Mac App Store, and that installer doesn’t require a bootable installation disc.

Verify by choosing File-> Get info you should see "Mac OS Extended (Journaled)" as the filesystem type.Mavericks (OS X 10.9) doesn’t ship on a disc.

Choose File-> Enable journaling (if it is greyed out, journaling is enabled.

Make sure the volume has journaling enabled: It should be enabled unless you really know what you're doing hence why you must hold down the option-key in Disk Utility to disable it in modern versions of OS X. Journaling was introduced in 10.2 Server and 10.3 Client and by now is considered a vital, critical feature.

An application has used the Disk Arbitration framework to prevent auto-mountingĪccording to your comments, all your journaled filesystems are mounting, and the filesystem which isn't mounting doesn't have journaling turned on.

Filesystem is listed in /etc/fstab with noauto.

A damaged filesystem which fsck cannot repair.

A mismatch between the partition type and the filesystem.

Errors (corruption) in the partition table.

Reasons for diskarbitrationd not mounting a filesystem or "volume" on a device may include: The Disk Arbitration framework handles notifying applications of disk mount/unmount events, and allows them to influence whether a volume is mounted or not.Ĭonsult the man page for diskarbitrationd for very limited further information for example, diskarbitrationd consults /etc/fstab to determine if the discovered filesystem should be mounted other than at the default location(/Volumes/) or with special options (or not mounted at all.) OS X uses diskarbitrationd which discovers new storage devices and probes them for mountable filesystems.