File System does not work after upgrade to OMV2.1/ no file system will be shown

sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
udev on /dev type devtmpfs (rw,relatime,size=10240k,nr_inodes=491621,mode=755)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=395012k,mode=755)
/dev/disk/by-uuid/74612ff8-c814-4d45-b39d-e1461fea921e on / type ext4 (rw,relatime,errors=remount-ro,user_xattr,barrier=1,data=ordered)
tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k)
tmpfs on /run/shm type tmpfs (rw,nosuid,nodev,noexec,relatime,size=790020k)
tmpfs on /tmp type tmpfs (rw,relatime)
/dev/sda3 on /media/160a1bdf-7b4b-46be-a38c-da2979b64aea type ext4 (rw,noexec,relatime,user_xattr,barrier=1,data=ordered,jqfmt=vfsv0,usrjquota=aquota.user,grpjquota=aquota.group,_netdev)
/dev/sda4 on /media/bbc7722b-12b3-4ebb-9044-98c432f53fb1 type ext4 (rw,noexec,relatime,user_xattr,barrier=1,data=ordered,jqfmt=vfsv0,usrjquota=aquota.user,grpjquota=aquota.group,_netdev)
//192.168.1.160/1Backup on /media/bbc7722b-12b3-4ebb-9044-98c432f53fb1/ZyxelBackup type cifs (rw,relatime,sec=ntlm,unc=\\192.168.1.160\1Backup,username=admin,uid=0,noforceuid,gid=0,noforcegid,addr=192.168.1.160,file_mode=0755,dir_mode=0755,nounix,serverino,rsize=61440,wsize=65536,actimeo=1)
rpc_pipefs on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw,relatime)