On 23/06/2010 18:50, Adam Leventhal wrote:
Does it mean that for dataset used for databases and similar environments where
basically all blocks have fixed size and there is no other data all parity
information will end-up on one (z1) or two (z2) specific disks?
No. There are always smaller writes to metadata that will distribute parity.
What is the total width of your raidz1 stripe?
4x disks, 16KB recordsize, 128GB file, random read with 16KB block.
--
Robert Milkowski
http://milek.blogspot.com
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