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How to layout 16 disks in ZFS? (zerobytes.monster)

submitted 1 year ago by bOt@zerobytes.monster to c/datahoarder@zerobytes.monster

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The original post: /r/datahoarder by /u/ReallySkroober on 2024-08-20 20:41:39.

Also posted on /r/zfs.

I currently have mergerfs and snapraid, was thinking of migrating to ZFS. I've read 6 and 10 wide RAIDZ2 are more optimal then 8 wide, but not sure how current that is with using a 1M record size.

I would most likely do either of these, and just keep the pools separate. I have a total of 10 14TB disks and 8 12TB disks, the 2 extra I will just use for other things.

8x 14 TB
8x 12 TB

10x 14 TB
6x 12 TB

Would I be better of doing a 6 and 10 wide RAIDZ2? Or just keep it with 2x 8 wide? Will the 10 wide be that much more efficient then 8 wide? If it's not much different I would probably stick with 2x 8 wide.

8 wide is a nice number since that is what would fit on an 8i SAS card. But that's not really important, since I would be using a 16i card anyway. I guess maybe for future portability. Plus 8 wide would be easier to upgrade.

Would mostly just be storing large media files.

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