HT4833 logic files on external hard drive and kernel panic

I was using 2 external HDs via the Sonnet sata pro express34 card in MaBookPro. One ext. HD had only Logic project files, the other had plugins. Logic 9.I.7 installed on the MBP i7 late 2010 (OS 10.6.8), with Motu 828 audio interface via FW400. All this worked for a number of projects (simple stereo masters). Then Kernel panic damaging one ext HD with plugins. Then with just the other extHD connected, problems began. Trying to bounce a song, it stopped and froze, kernel panic with damage to the ext HD.
Seemed Logic could no longer work with the files on the ext HD. Don't know if this began before or after the HD was damaged.
First HD couldn't mount so turned off journaling, mounted and enabled journaling again. Have been backing up all on that HD via FW800, then will erase and format it.
Second HD had
"...Keys out of order
Rebuilding catalog B-tree.
The volume ONETB could not be repaired..."
I backed up the files, erased and reformatted it. Waiting to try the setup again until the problem is figured out.
1) I see there is also a Logic folder on the MBP with 3 projects in it. Did this confuse the program to have this on the internal drive plus a Logic folder with projects on the external drive?
Can I set up the program so all projects always stay on the external drive, instead of a default which created these early projects on the MBP drive?
2) Is this not the problem and the whole thing is a problem with the express/34 card esata drivers/kext files, or 32 bit vs 64 bit, or ...?
Many thanks, chas

I don't see how to edit my post above. I did not intend to title it "HT4833", that was just a page I'd looked at in the learning about Logic stuff, and this showed up in my question title. Strange there seems not to be a way to edit posts.

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My name is Rui, i'm from Portugal ... (so please be patiente with my english, it can get a bit confusing)
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I hope someone can help me with this ...
... if it is a silly question ... sorry ... but please remember, i've never had a Mac computer (i'm waiting for my 1st iMac to be available on store) ... so a lot of things are "flying" in my head right now ...
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Hi! Dwagner, once again ...
I've just got my Mac last friday ... i'm still getting amazed with this new world to me ... eehe .. quite different ... but
... "i can do it, i can do it" eheeh
i'm in that period that a new question appears at almost every mouse click ... lol
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