Why and when do I need to scrub a pool?
Scrub is a system mechanism that will check the integrity of datablock in pool according to metadata checksum, parity calculation will be performed along with intergrity check.
Scrub is executed by system automatically, usually a manual scrub will only be required after the analysis by QSAN when discovered checksum error and pool did not execute integrity check.
All QSAN XCubeNAS models
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