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Author Topic: What is the difference between EXT2 and EXT3 format  (Read 5530 times)

btuser2005

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  • Posts: 1
What is the difference between EXT2 and EXT3 format
« on: June 22, 2010, 12:20:46 PM »
Hi,

Can anyone tell me what the difference is formatting the drive in EXT2 and EXT3 format?  Mine has only EXT2 as an option, where I can get EXT3?

Thanks,
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gunrunnerjohn

  • Level 11 Member
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  • Posts: 2717
Re: What is the difference between EXT2 and EXT3 format
« Reply #1 on: June 22, 2010, 01:16:00 PM »
EXT3 has journeling and is more robust, but it will be somewhat slower in operation due to the extra disk access for the journeling.  EXT3 capability was added recently, I believe in firmware version 1.03
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Microsoft MVP - Windows Desktop Experience
Remember: Data you don't have two copies of is data you don't care about!
PS: RAID of any level is NOT a second copy.

emanoyhl

  • Level 2 Member
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  • Posts: 26
Re: What is the difference between EXT2 and EXT3 format
« Reply #2 on: August 21, 2010, 04:39:35 PM »
ext3 is the exact same thing as ext2 only with journaling...

ext3 is usually not your best option for dns-321 unless you are running an os off of it or actual sensitive very very very important data.... as for music/media - ext2 is better because is a little faster....

if you are ****e to power interruptions and have no ups - then try the ext3 format - although you'll be slowed down a bit...

ext3 journaling feature basically creates a journal file - in case of power loss or hotswapping or disconnection during transfer, it'll keep from corrupting your files.... ext2 will basically say "that's it, let's start over" ext3 will say "let's keep going"
:)

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