Please disable the caches using the following script commands:
set allLogicalDrives writeCacheEnabled=false; set allLogicalDrives mirrorCacheEnabled=false;

For each Logical Drive, the WCMir and WC can then be enabled again with the following script commands:
set logicalDrive [«logical_drive_name»] mirrorCacheEnabled=true; set logicalDrive [«logical_drive_name»] writeCacheEnabled=true;