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will os 9 work with journaled fs?
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Mac Elite
Join Date: Apr 2001
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just wondering if I format my drive with journaled file system,then install os 9 after os 10.3, if os 9 apps will work fine.
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"Government is not reason; it is not eloquent; it is force. Like fire, it is a dangerous servant and a fearful master." -George Washington
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Addicted to MacNN
Join Date: Oct 2001
Location: Yokohama, Japan
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Yes, OS 9 works fine on HFS+ Journaled.
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Professional Poster
Join Date: Apr 2001
Location: Long Beach, CA
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Yes, but OS 9 does not touch the journal. Therefore, if you boot into 9 after a crash, the journal will not be able to update the file system, which could cause problems. In addition, if OS 9 crashes, you do not have the protection of journaling.
I have a hunch that if you are booting into 9, you are probably better off without journaling, though you will still be able to access the filesystem in 9 with journaling on.
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ACSA 10.4/10.3, ACTC 10.3, ACHDS 10.3
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Mac Elite
Join Date: Apr 2001
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thanks guys. I put it in journaled since I only boot into 9 once in a while. I've had the 10.3 disks since they came out and just haven't got around to updating until now. Now we begin the tedius process of backing up.
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"Government is not reason; it is not eloquent; it is force. Like fire, it is a dangerous servant and a fearful master." -George Washington
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Mac Elite
Join Date: Mar 2000
Location: Allston, MA, USA
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You aren't better off not using the journal where OS 9 is concerned. OS 9 just ignores the journal. It doesn't make you more or less susceptible to directory damage when 9 crashes.
My question is how do you plan to install OS 9 after you have already installed X? I didn't think you could do that.
-- Jason
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Addicted to MacNN
Join Date: Oct 2001
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Originally posted by jasong:
My question is how do you plan to install OS 9 after you have already installed X? I didn't think you could do that.
-- Jason
There is nothing to prevent you from doing so.
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Mac Elite
Join Date: Sep 2001
Location: Chico, CA and Carlsbad, CA.
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Originally posted by wataru:
There is nothing to prevent you from doing so.
On older systems there sure isn't. 
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"In Nomine Patris, Et Fili, Et Spiritus Sancti"
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Professional Poster
Join Date: Apr 2001
Location: Long Beach, CA
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Originally posted by jasong:
You aren't better off not using the journal where OS 9 is concerned. OS 9 just ignores the journal. It doesn't make you more or less susceptible to directory damage when 9 crashes.
-- Jason
If OS X crashes on you and you immediately boot into 9, you just lost all the benefits of the journal in that specific instance. The journal will replay when you boot back into X, but 9 has already made changes, which invalidates the contents of the journal.
Without any crashes, I would agree that it doesn't make a difference in 9.
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ACSA 10.4/10.3, ACTC 10.3, ACHDS 10.3
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Mac Elite
Join Date: Mar 2000
Location: Allston, MA, USA
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Right, but OS 9 is going to do it's filesystem check on the disk and fix any damage it finds so you are no worse off for having used the journal (better off because you get the benefits it provides to Panther).
However you still bring up a valid point, because it is far more likely that OS 9 will be the one to crash, and Panther with a journal will not do a FSCK, so how does file system damage get taken care of then?
-- Jason
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Professional Poster
Join Date: May 2000
Location: Urbandale, IA
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Originally posted by jasong:
Right, but OS 9 is going to do it's filesystem check on the disk and fix any damage it finds so you are no worse off for having used the journal (better off because you get the benefits it provides to Panther).
However you still bring up a valid point, because it is far more likely that OS 9 will be the one to crash, and Panther with a journal will not do a FSCK, so how does file system damage get taken care of then?
-- Jason
One would think that Panther would have some way of telling when its journal database is invalid, and do a fsck in those instances.
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"Yields a falsehood when preceded by its quotation" yields a falsehood when preceded by its quotation.
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