Solaris SDS : Both Submirrors go into ‘Needs Maintenance’ when I/O is performed but no disk errors seen

The following is the Sample SVM(Solaris Volume Manager) configuration of the layered soft partition. d50: Soft Partition Device: d100 State: Okay Size: 10485760 blocks (5.0 GB) Extent              Start Block              Block count 0                        1                 10485760 d100: Mirror Submirror 0: d101 State: Okay Submirror 1: d102 State: Okay...