Hello,
What is the access algorithm used within multi-component pools for a
given pool, and does it change when one or more members of the pool
become degraded ?
examples:
zpool create mtank mirror c1t0d0 c2t0d0 mirror c3t0d0 c4t0d0 mirror
c5t0d0 c6t0d0
or;
zpool create ztank raidz c1t0d0 c2t0d0 c3t0d0 raidz c4t0d0 c5t0d0 c6t0d0
As files are created on the filesystem within these pools, are they
distributed round-robin accross the components, or do they stay with the
first component till full then go to the next, or is some other
technique used ?
Then, when a component becomes degraded, c1t0d0 for example, are new
files still created on the degraded component, or is that component
skipped until no longer degraded or until it is needed; i.e. you run out
of space on the other components that have good status ?
-thanks,
-Dave
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