Mailing List Archive: Turning off HFS+ journaling

Turning off HFS+ journaling

Sep 17, 2005, 5:04 PM

Post #1 of 3 (2490 views)

I would like to install Gentoo to a small partition on my iMac G5,
preferably without killing OS X. In the Gentoo handbook, "Preparing
the Disks" it says:

"Warning: parted is able to resize partitions. On the Installation CD
there are patches included to resize HFS+ filesystem. Unfortunately it
is risky to resize HFS+ journaled filesystems, be sure to switch off
journaling in Mac OS X first and make sure to run a disk checking tool
after the resize."

In Disk Utility I can only find out how to turn journaling on, not
off. Is there some other way to do this? (Console command, etc?) I am
running OS X 10.4.2.

If there is no way to turn off journalling, how dangerous is resizing
a journaled partition? (What am I risking? Data loss? A broken
system?) I have backed up my most important data, but I would like to
keep the system intact if possible.

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AJ Ashton

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SV: Turning off HFS+ journaling [ In reply to ]

runi.hansen at okkara

Sep 17, 2005, 5:35 PM

Post #2 of 3 (2382 views)

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You can use: diskutil disablejournal <diskx>

Ex.: diskutil disablejournal disk0s3

Enable it with enablejournal see diskutil --help

/Rúni

Den 05-09-18 02.04, skrev "AJ Ashton" <aj.ashton@gmail.com>:

> journaling

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Re: Turning off HFS+ journaling [ In reply to ]

aj.ashton at gmail

Sep 17, 2005, 9:45 PM

Post #3 of 3 (2402 views)

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On 17/09/05, Rúni H. Hansen <runi.hansen@okkara.net> wrote:

> You can use: diskutil disablejournal <diskx>
> Ex.: diskutil disablejournal disk0s3

Thank you very much, that did the trick!

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-AJ

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