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Old 03-23-2010, 10:11 PM   #1
Elv13
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(current) BTRFS vs. (current) ZFS


Hi, I just bought 8TB of hard drive to replace my aging Fat32+Samba NAS. Those disks were so old that I was just losing data without any FS error or warning. It's time to get serious. I now have 4x 2TB 7k2 RPM HDD. I want to put a next gen file system on those drive. I have two choices: Linux+BTRFS or OpenSolaris+ZFS. I know that BTRFS is not quite ready for mainstream users, and it worry me a little. For those who have used both, or have extensive knowledge about them, what is the best option?

I need:
-S.M.A.R.T. tools
-Easy CLI managing
-"go back in time" feature for some folders
-Ability to take medium ammount of DB traffic
-Samba and NFS
-Access to drive info -per drive- (it's a "would be nice", because my NAS rack have software traffic 7-segment LED)
-Ability to create a big device pool, not 4 pools

And what about RAID? Does those FS require RAID or can they mirror data themselves? What is the best RAID (if any)? 5?

I am a quite good Linux sysadmin, but know little about Solaris and those emerging FS (It's not yet deployed where I work).
 
Old 03-24-2010, 05:48 AM   #2
JZL240I-U
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Perhaps reading this

http://lwn.net/Articles/342892/

can help you come to a decision...
 
Old 03-24-2010, 08:30 AM   #3
Elv13
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Ok, it was a nice reading, but it does not help me. And it added one more question:
is BTRFS forward compatible? Will I need to format every time I update the kernel or will it port itself to the new on-disk format correctly?

And it does not help about RAID/data mirroring and real life experiences.
 
Old 03-24-2010, 08:43 AM   #4
JZL240I-U
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Quote:
Originally Posted by Elv13 View Post
...is BTRFS forward compatible?...
No, it is not -- or rather it may not be. Best thing to do is google for statements of the maintainer (Chris Mason). AFAIK it is not meant for production yet.

Last edited by JZL240I-U; 03-24-2010 at 08:45 AM.
 
  


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