gzartman
Contributor
- Joined
- Nov 1, 2013
- Messages
- 105
I'm finding that raidz pools are very inefficient with 4k blocks. Essentially I'm losing 30%-40%, beyond regular parity, drive space because of 4k blocks. In doing some zfs research, this seems parity related (1 4k block for data and 2 4k blocks for parity).
One person recommended formatting with 8k blocks. Another person told me to just not use raidz on HDDs with 4k blocks (which is just about every new hard drive 2TB and bigger).
I'm looking for some zfs guru recommendations, because giving up 30%-40% on a raidz volume seems pretty bad.
Thanks
One person recommended formatting with 8k blocks. Another person told me to just not use raidz on HDDs with 4k blocks (which is just about every new hard drive 2TB and bigger).
I'm looking for some zfs guru recommendations, because giving up 30%-40% on a raidz volume seems pretty bad.
Thanks