当尝试将一个datastore置为维护模式时,任务进度始终在1%。以下哪两项是可能的原因?()
A.StorageDRSisdisabledononeormorevirtualmachine(s)disk(s).
B.StorageDRSrulespreventmigrationrecommendationsforthedisk.
C.StorageDRSdatastoreshaveinsufficientspacetoaccommodatefailover.
D.StorageDRSprovisioningnetworkhasbeenlimitedwithI/Ocontrolpolicies.