[gpfsug-discuss] Couple of questions related to storage pools and mmapplypolicy
Marc A Kaplan
makaplan at us.ibm.com
Wed Dec 19 19:45:24 GMT 2018
Regarding mixing different sized NSDs in the same pool...
GPFS has gotten somewhat smarter about striping over the years and also
offers some options about how blocks are allocated over NSDs.... And
then there's mmrestripe and its several options/flavors...
You probably do want to segregate NSDs into different pools if the
performance varies significantly among them.
SO old advice may not apply 100%.
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