*nix File System Choices?


 
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# 1  
Old 06-24-2008
*nix File System Choices?

I need clarification on the following:

1. Which file system is supported by all [or at least most] distros?
2. Which file system is best to be used for handling large volumes of data, which also satisfies 1?

Please notify if a thread addressing these issues exists.

Thnx
# 2  
Old 06-24-2008
I think the question is more which Unix derivative you are going to use since this will tell you which type of filesystem will be available.

If you talk about distros and mean Linux, you usually go for ext3 or ReiserFS afaik.
On AIX we use JFS2 which is the standard there and use it for very large FS'es too.
On jfs2 you have (taken from the IBM Information Center about JFS2):
Code:
Maximum size for a JFS2-filesystem: 	32 TB
Maximum file size in JFS2: 	16 TB
Minimum size for a JFS2-filesystem: 	16 MB

But the difference for an x86 box that can carry Linux or a Power5/6 box that can carry AIX is about some 5 digits difference in price, when not even more.
# 3  
Old 06-26-2008
Please give an example of "large volumes of data". Linux has a native filesystem (ext2/3) which handles quite large files.

Taken from ext3 - Wikipedia, the free encyclopedia


Size limits

ext3 has a maximum size for both individual files and the entire filesystem. For the filesystem as a whole that limit is 2**31-1 blocks. Both limits are dependent on the block size of the filesystem; the following chart summarizes the limits[12]:
Code:
Block size 	Max file size 	Max filesystem size
1KiB 	         16GiB 	          <2TiB
2KiB 	         256GiB 	  <4TiB
4KiB 	         2TiB 	           <8TiB
8KiB 	         2TiB 	           <16TiB

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