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which FS for my USB external drive?

 
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pistonbrew
PostPosted: Wed Jul 02, 2008 9:05 am    Post subject: which FS for my USB external drive? Reply with quote

following on from a thread in support.. i am about to reformat my 500gb usb drive after it went corrupt. it was ext3.

i want to be able to read/write to it from my blag box & laptop, windows access not needed. i need large (>4gb) filesize support, as i store back-up tarballs on this drive.

which FS type would you use? i'm loathe to use ext3 again after all the hassle i've just had, but if that's the best one, i'll go for it again.

drive is a WD 'mybook' 500.

john maclean
PostPosted: Wed Jul 02, 2008 11:49 am    Post subject: Reply with quote

I think, (IMHO), that you'll get more mileage out of ext2 as it does not use the journaling thingie. This means that it does less read/writes to the disk. Should be ok with files ~= 2TB.

You should be able to read/write to files < 1TB with ext3. There's an option in the kernel to have IO for files 2TB+. It's CONFIG_LBD, under Enable the block layer, Support for Large Block Devices. Would be interesting to know why you had problems with file system.


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pistonbrew
PostPosted: Wed Jul 02, 2008 1:39 pm    Post subject: Reply with quote

could've been a mechanical to be honest, john, maybe a bit unfair of me to blame on ext3.

i may stick with it, or ext2, as i at least have a bit of knowledge on its associated tools now. switching to reiser would mean learning it all again.

the inventor of reiser murdered his wife, apparently. i did not know that.

john maclean
PostPosted: Wed Jul 02, 2008 1:58 pm    Post subject: Reply with quote

Why reiser? Is it for encryption? Use gpg or another method instead.

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jebba
PostPosted: Wed Jul 02, 2008 9:03 pm    Post subject: Reply with quote

I'd still suggest sticking with ext3. USB is generally crap so who knows why your data got corrupt--i'd be surprised if it had something to do with a bug in ext3 though. You *did* get your data back. Ext3 is a known quantity and has lots of tools for fixing things. If you come into forums with "i have a USB drive running (some other filesystem) and it's corrupt" you will likely be met with more blank stares than support too.
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