Gparted unable to find RAID automatically

[Man-wai Chang]

How should I fix these errors?

*** begin quote ***
root at sysresccd /dev/mapper % dmraid -ay
RAID set "nvidia_ecehhfhc" already active
The dynamic shared library "libdmraid-events-nvidia.so" could not be loaded:
     libdmraid-events-nvidia.so: cannot open shared object file: No such 
file or directory
RAID set "nvidia_ecehhfhc1" was activated
The dynamic shared library "libdmraid-events-dos.so" could not be loaded:
     libdmraid-events-dos.so: cannot open shared object file: No such 
file or directory
RAID set "nvidia_ecehhfhc2" was activated
The dynamic shared library "libdmraid-events-dos.so" could not be loaded:
     libdmraid-events-dos.so: cannot open shared object file: No such 
file or directory
RAID set "nvidia_ecehhfhc5" was activated
The dynamic shared library "libdmraid-events-dos.so" could not be loaded:
     libdmraid-events-dos.so: cannot open shared object file: No such 
file or directory
RAID set "nvidia_ecehhfhc6" was activated
The dynamic shared library "libdmraid-events-dos.so" could not be loaded:
     libdmraid-events-dos.so: cannot open shared object file: No such 
file or directory

root at sysresccd /dev/mapper % ls
control          nvidia_ecehhfhc1  nvidia_ecehhfhc3  nvidia_ecehhfhc6
nvidia_ecehhfhc  nvidia_ecehhfhc2  nvidia_ecehhfhc5

root at sysresccd /dev/mapper % gparted /dev/mapper/nvidia_ecehhfhc
======================
libparted : 2.2
======================
device-mapper: deps ioctl failed: No such device or address

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