Disable journaling on external drive?

Hello!
I have a MacBook Pro running Mac OS X 10.8.2 Mountain Lion and an external WesternDigital 320GB drive formatted with HFS+ Journaled for Time Machine backups.
I wanted to use the external HD with Linux, but Journaling isn't supported. When i tried to disable it in Disk Utility (option-click File --> disable journaling) , it failed. I tried "Repair Drive" and when it finished, the option to disable journaling has been grayed out.
Finally, i used the terminal. I typed:
sudo diskutil disablejournal /Volumes/WD320
but it throws the following error:
     "An error occurred journaling the file system: The underlying task reported failure on exit (-69860)"
I also tried to use /dev/disk2s2 instead of /Volumes/WD320, but it gives the same result.
System log gives:
kernel[0] <Debug>: hfs: cannot disable journaling on volumes with directory hardlinks
Any help would be greatly appreciated
penguin01210

You can't disable journaling on an active Time Machine backup volume.

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    I have a number of external disk drives. They are connected via USB and firewire. About 30% of the time, if a drive has been put in sleep mode and then later awakened, I am unable to write to it. If I try to dismount the drive I get a -50 error that the drive is in use. But that is not true because nothing but the finder is running. If I look the console log there are lots of the following messages.
    Dec 6 15:50:43 squid fseventsd[45]: disk logger: failed to open output file /Volumes/Calvary1TB/.fseventsd/63657332a56b8d30 (Invalid argument). mount point /Volumes/Calvary1TB/.fseventsd
    Dec 6 15:50:50 squid UnmountAssistant[1463]:
    The drive in question is the CAXM Calvary1TB drive. BTW when I received the Calvary disk drive, I reformatted it OSX journaled with a GUID partition before using it. All my other 8 TB of storage is formatted the same way and I had no problems before Snow Leopard. Anyhow, If I force a dismount, all returns to normal. OR if I disable sleep the drive drives options in the energy saver preferences, the problem disappears. But then none of the drives ever spin down.
    Once every 50 or so forced dismounts (it happens a lot), OSX will crash with the kiss of death display.
    This problem did not exist in pre Snow Leopard, so obviously changes were made to the file system and not properly tested. Anyone have any idea when this will be fixed.

    The drive in question is the CAXM Calvary1TB drive.
    Calvary lists this drive series only in its "Windows PC" section at http://www.cavalrystorage.com/pr_index.htm. This could be a problem because different manufacturers use different methods to implement wake-from-sleep (or more generally, energy management features) in the support circuitry of external drives. IOW, there are no universal standards for this, so manufacturers may or may not design their implementations for cross-platform compatibility.
    Unfortunately, since Windows PC's dominate the market some manufacturers use energy management methods in some or all of their designs that work reliably only with that platform. For this reason, there is always some risk of unexpected behavior when using external drives not specifically marketed as Mac OS X compatible with a Mac. (This is not a problem with "raw" internal drives directly connected to a Mac's SATA interface because there is no support circuitry involved.)
    Since you already have invested in these drives, your best bet is to contact Calvary & see if they can offer a solution. If you are lucky, they may have a firmware updater for the CAXM series that works reliably with Snow Leopard; if not, they may simply tell you not to let the drives sleep, or that they don't support the CAXM series with Macs & you are on your own.

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