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User profile for user: David Cun
David Cun Author
User level: Level 4
1,427 points

Invalid Btree Header, 0, 0

I did the latest security updates and two DVD updates; repaired disk permissions after each one. Got fairly short reports and no problems. After all that I thought I'd do some maintenance, even though I've only had 10.4 for a couple weeks and not a lot of heavy use. Anyhow, I restarted to OS9 and ran DFA. It reported back with 'Invalid Btree Header, 0, 0" and then 'disk was repaired successfully'. Ran DFA five times with the same result; never did get 'disk appears to be ok'.

Tried to run DiskWarrior but apparently my v3.0.2 won't work. First time I ran DW the graph showed 30% out of order. Tried to rebuild but got an error that 'the original directory is too severely damaged...disk was not modified'. Restarted with the DW CD+C and it started up from the disk. This time the error was, '...can't be rebuilt...apparently you have a newer version...'. According to Alsoft, that message indicates that I need v3.0.3. I'll order the update from Alsoft.

In the meantime, I'm puzzled as to the DFA and DW reports about 'Btree' and 'severe' damage, and how my practivally new Tiger is '30% out of order'. I have downloaded WMP and RealPlayer for OS X. But I haven't had any problems. I haven't even gotten around to using iLife stuff. Just some browsing. I've also added a 256mb PC133 memory stick. Could that cause the DFA and DW reports? Speaking of the RAM, when I first installed it, Profiler called it PC133-333 and DIMM First Aid called it 7.5ns PC133-333. Today while in OS 9 ASP called it PC100-322S. I now have 512mb of memory.

Any ideas on what's going on here would be greatly appreciated.

David

Posted on Sep 28, 2005 10:27 AM

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39 replies
User profile for user: Dale Weisshaar
Dale Weisshaar
User level: Level 6
15,870 points

Sep 28, 2005 4:47 PM in response to David Cun

It all depends on how you installed Tiger. If you Upgraded or Archived and Installed your directory problems could have been there from the previous OS.
If you Erased and Installed that would not be the case. Your system should have been fresh.

If you ran that version of DiskWarrior on Tiger (I'm not clear from your post if DW actually attempted repairs or not) that would ruin your directory and cause those reports.

Your only chance of repairs probably is DW. If you're backed up, and don't want to wait, you can Erase and Install Tiger and you'll get rid of the problem. You will lose everything on your drive with that install.

Cheers!
DALE

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User profile for user: David Cun
David Cun Author
User level: Level 4
1,427 points

Sep 29, 2005 5:38 AM in response to Dale Weisshaar

Hi Dale:

"...'the original directory is too severely damaged...disk was not modified'..."

It's a fresh erase and install of 10.4. I didn't 'zero' it cause the last time I did that it took hours. 😀

Actually, I noticed a similar deal with DW with a fresh install of 10.3 on my Beige. Right off the bat, DW showed directory as out of order. I thought maybe it's just a quirk of DW...?... Strange.

Thx!
David
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User profile for user: Majordadusma
Majordadusma
User level: Level 6
9,425 points

Oct 1, 2005 10:27 AM in response to David Cun

Hi, David!

According to Alsoft, that message indicates that I need v3.0.3. I'll order the update from Alsoft.


There's a free v3.0.3 update you can download from Alsoft which allows you to burn a bootable CD, updated from your copy of DW v3.0.2, so you don't really
b have
to purchase and wait for a new, updated CD, unless, of course, you would rather have an original disk. It works for all DW 3.x versions and the update/new disk creation process is really quite simple and "slick".

Regarding the 30% out of order issue, with the initial install of Tiger, followed by the various software updates, this really isn't an unusual observation for me. I've experienced the same thing on two different Macs/drives.

Regarding RAM reporting from System Profiler, I learned from Costa (what a knowledgeable Member!) that the Profiler queries and reports the RAM speed based on the mHz at which it's actually running at the time of the query, which may or may not be running at the max speed "capacity" of the chip. This actual speed may be lower than the manufacturer's tested/rated speed, based on the prerogative of the Memory Controller to adjust the clocking speed of the Memory Bus, depending on the tasks at hand, at the exact time the Profiler query is made. Perhaps this may explain at least some of the aberrations which are often reported by ASP regarding RAM...

Gary
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User profile for user: Majordadusma
Majordadusma
User level: Level 6
9,425 points

Oct 1, 2005 10:59 AM in response to Majordadusma

David:

I think that the directory problems you're having stem from using a non-Tiger version of Disk Utility on a Tiger volume to Repair Disk. (Running DW v3.0.2 may not have been a good thing, either.) This is a no-no, per Apple. You should only use a Tiger (or OS X 10.3.9) version of DU to run repairs on a Tiger volume, due to the "extended attributes" enabled with Tiger. Here's the basic link (there are others pertaining to this as well):

http://docs.info.apple.com/article.html?artnum=301269

If you continue to have problems after successfully running DW v3.0.3, I'd do an archive & install of Tiger to fix the extended attributes data which was probably altered by DFA and/or the older DW repair.

Gary
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User profile for user: David Cun
David Cun Author
User level: Level 4
1,427 points

Oct 3, 2005 9:45 AM in response to Majordadusma

Hi Gary:

I got a little confused in that one person says one must use DU from 10.4.2; but all I have is the 10.4 DVD. I do have 10.4.2 on one volume and OS9 on another. So, is it ok to use the 10.4 DVD to run DU? Starting up from the 10.4 DVD I've gotten 'no problems found'. Ditto with fsck. The artum says to use the install DVD/CD; but it's not 'up to date' to 10.4.2.

Back up and punt and disreqard the reports from DW and OS9 DFA?

I'd love to get the free download of DW3.0.3 but I don't have a burner. I'm working on the advice of you and Costa from my previous post; and going with RAM, CPU, graphics card as first things to do. Unless someone has a super drive for sale cheap. 😀

Kind of a Catch22 if one's funds are limited.

Thanks!

David
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User profile for user: Dale Weisshaar
Dale Weisshaar
User level: Level 6
15,870 points

Oct 3, 2005 12:47 PM in response to David Cun

David,
10.4.2's Disk Utility is more robust then 10.4's. It is able to do some allocation overlap repairs 10.4 can't.

I run 10.4.2's DU from a bootable clone, on my external, to repair my main internal. I too have 10.4 on my Tiger disk so this the only way I can run 10.4.2's version.

So yes, it's OK to run DU from your 10.4 disk; 10.4.2 is just better if you have a way to run it.

As far as DiskWarrior goes, you can order the 3.0.3 update CD from this Alsoft page for $12.95 plus $7.95 shipping and handling since you don't have a burner (you must already own DW to order this).

Cheers!
DALE

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User profile for user: Majordadusma
Majordadusma
User level: Level 6
9,425 points

Oct 3, 2005 7:50 PM in response to Dale Weisshaar

The DW CD upgrade purchase for $21 is bootable out of the package, which is a plus in your situation. It's just a shame, though, that for $20 more you can get the latest in dual-layer burners and make your own CD... See this link for optical drive deals on Nec and Pioneer, both of which reportedly work well:

link

You'll need a working Mac with burner to do the upgrade CD with, plus I'm not sure that now is the time to install a new optical drive, so perhaps Dale's suggestion is the way to go, unless you have access to another Mac with a burner...

Regarding Disk Utility (DU), you may certainly use the 10.4.0 version to repair a Tiger volume. You can use any version of Tiger DU and you can also use the one from OS X 10.3.9 (but only 10.3.9 and no earlier Panther version). Here's an Apple link regarding this, to clarify things:

http://docs.info.apple.com/article.html?artnum=301269

As Dale said, the DU version included in 10.4.2 is a bit more robust, now being able to deal with directory errors dealing with overlapped extent files, which previously required DW to fix. Here's a link to this, too:

http://docs.info.apple.com/article.html?artnum=25770

Gary
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User profile for user: David Cun
David Cun Author
User level: Level 4
1,427 points

Oct 4, 2005 10:13 AM in response to Majordadusma

Wow! You guys just gave me some great info.

But you see where I'm coming from? Artnum 25770 seems to indicate that one must run DU from 10.4.2 as opposed to the 10.4 Install disk. But then Artnum 301269 seems to contradict that. Whoowee. But I think I'm straight now.

I'm leaning toward the Pioneer and then a free download of the DW update. Do you reckon the Pioneer 110D is plug and play in my G4 500? I've been getting Dealmac and OWC email updates and hadn't seen that one. Looks like an excellent deal. I would think in this particular case a new DVD drive would be the logical thing to do before CPU and graphics...?....

Thx!

David
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User profile for user: Majordadusma
Majordadusma
User level: Level 6
9,425 points

Oct 4, 2005 11:52 AM in response to David Cun

David:

Artnum 25570 addresses overlapped extent files. If one has this particular directory problem, then the 10.4.2 version must be used to tackle it. If one has this specific problem reported and wants to attempt to repair it with DU, there's no conflict at all with running an earlier Tiger version. The 10.3.9 and later versions will not mess anything up, they just can't resolve this error if it's reported, that's all. Versions prior to the OS 10.3.9 version may misreport findings and may even corrupt a directory just by running Repair Disk with them on a Tiger volume.

A new burner may have to be initially "coaxed" a bit for full compatibility with iLife and dual-layer support on the Mac. If you get one, one of the Members can assist with this, which is pretty easy. I'd go with the Pioneer or a NEC.

Your hard drive is now repaired and the OS is functional, since repairing it with Tiger's Disk Utility, am I correct?

Gary
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User profile for user: David Cun
David Cun Author
User level: Level 4
1,427 points

Oct 4, 2005 5:05 PM in response to Majordadusma

Yep, repaired. Amazin the different response in Repair Permissions when run from Applications>DU vs DU on the DVD. It found a bunch more stuff. I went ahead and did Repair Disk while I was at it and disk was ok, no problems found.

Wasn't gettin any 'overlap' but did get that message about 'severe damage' which the artnum says one will get with the wrong version of DU.

Also, I had the wrong Alsoft page I reckon. Thought I'd have to pay $39 just for the update.

Bummer. By the time I got around to it this evening, the Pioneer had jumped to $49.95.
😀

Thanks for all the help, Gary!
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Invalid Btree Header, 0, 0

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