Lost half a disk partition due to power outage

adsl3g

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Dammit... I have lost my 160gb firewire data disk that was OS X formatted due to a power outage. Why is OSX file system so finicky when a disk is removed without unmounting? I could recover important data as OSX mounted it but gave a warning that it is buggered. The majority of data was lost but I did have backups.

FAT32 is not so sensitive when it is unceremoniously ejected from the OS and I have never had a problem in a disk being screwed up if this happens.

Luckly the iMac is on a UPS so there were no problems there (I have stuck the FW drive on the UPS as well now).

I am wondering if it is not better to format my data disk to FAT32 instead of OSX .. any comments here as to what functionality I will lose if I do this.
How much slower will disk access be if I format FAT32 for an external disk.
 
Get yourself a copy of DiskWarrior if you want the data back. Its also a good app to have in case of emergency.

AFAIK the main drawback to fat32 is you wont be able to have any files over 4gb.

BTW - I'm prone to disconnecting drives without ejecting them first and have never had a problem.
 
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Get yourself a copy of DiskWarrier if you want the data back. Its also a good app to have in case of emergency.

AFAIK the main drawback to fat32 is you wont be able to have any files over 4gb.

BTW - I'm prone to disconnecting drives without ejecting them first and have never had a problem.


I don't have those.... what file would one have that is so big? DVD's are broken up into 1gb files. Don't want to miss somethink.
 
I don't have those.... what file would one have that is so big? DVD's are broken up into 1gb files. Don't want to miss somethink.
Just had a quick look at my files and I had plenty of disk image files larger then 4gb.

I'm pretty sure that disconnecting the drive while it is writing data is going to cause problems regardless of the format - is there any reason to think fat32 wouldnt suffer the same fate?

EDIT - a bit of info about Journaling - http://docs.info.apple.com/article.html?artnum=107249
 
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Just had a quick look at my files and I had plenty of disk image files larger then 4gb.

I'm pretty sure that disconnecting the drive while it is writing data is going to cause problems regardless of the format - is there any reason to think fat32 wouldnt suffer the same fate?

EDIT - a bit of info about Journaling - http://docs.info.apple.com/article.html?artnum=107249

Agreed, but in my experience, it would only cause problems on the file that was written, not the whole partition as in OS X and that is why I am getting a bit weary of this - could be that spotlight or something similar was busy indexing the OSX partitoned disk?
 
Agreed, but in my experience, it would only cause problems on the file that was written, not the whole partition as in OS X and that is why I am getting a bit weary of this - could be that spotlight or something similar was busy indexing the OSX partitoned disk?
It could be - was it a newly introduced drive?

For me its a no-brainer - unless I know I'm going to want to use the disk with windows I use HFS+
 
Sounds fishy, HFS+ is a jounalled filesystem - if anything it should be way more robust than FAT32
 
It could be - was it a newly introduced drive?

For me its a no-brainer - unless I know I'm going to want to use the disk with windows I use HFS+


No, its been on the iMac a week now.


Sounds fishy, HFS+ is a jounalled filesystem - if anything it should be way more robust than FAT32

I have had problems with another 80gig usb drive as well... formatted it to FAT32 eventually.
 
Sounds fishy, HFS+ is a jounalled filesystem - if anything it should be way more robust than FAT32
Agreed. I've been looking around a lot and other than the desire to share between Windows and OsX I still cant find any benefit of using fat32. Everything I've read so far portrays HFS+ as being more robust as well as faster.
 
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