i check the raid settings as soon as possible in the bios.
this is de output from your command
sdc : READ CAPACITY failed.
-bash: sdc:: command not found
[root@server ~]# sdc: assuming drive cache: write through
-bash: sdc:: command not found
[root@server ~]# sdc : READ CAPACITY failed.
-bash: sdc: command not found
[root@server ~]# sdc : status=0, message=00, host=7, driver=00
-bash: sdc: command not found
[root@server ~]# sdc : sense not available.
-bash: sdc: command not found
[root@server ~]# sdc: Write Protect is off
sdc: assuming drive cache: write through
-bash: sdc:: command not found
[root@server ~]# sdc: Mode Sense: 43 00 00 00
-bash: sdc:: command not found
[root@server ~]# sdc: assuming drive cache: write through
-bash: sdc:: command not found
[root@server ~]# sdc:<3>Buffer I/O error on device sdc, logical block 0
-bash: syntax error near unexpected token `3'
[root@server ~]# Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found
[root@server ~]# Buffer I/O error on device sdc, logical block 0
sdc: assuming drive cache: write through
-bash: Buffer: command not found
[root@server ~]# Buffer I/O error on device sdc, logical block 0
sdc:<6>Device sdc not ready.
-bash: Buffer: command not found
[root@server ~]# Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found
end_request: I/O error, dev sdc, sector 0
[root@server ~]# Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found
[root@server ~]# Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found
[root@server ~]# sdc : READ CAPACITY failed.
-bash: sdc: command not found
Device sdc not ready.
[root@server ~]# sdc : status=0, message=00, host=7, driver=00
-bash: sdc: command not found
end_request: I/O error, dev sdc, sector 0
[root@server ~]# sdc : sense not available.
-bash: sdc: command not found
Buffer I/O error on device sdc, logical block 0
[root@server ~]# sdc: Write Protect is off
-bash: sdc:: command not found
Device sdc not ready.
[root@server ~]# sdc: Mode Sense: 43 00 00 00
-bash: sdc:: command not found
end_request: I/O error, dev sdc, sector 0
[root@server ~]# sdc: assuming drive cache: write through
-bash: sdc:: command not found
[root@server ~]# sdc : READ CAPACITY failed.
-bash: sdc: command not found
[root@server ~]# sdc : status=0, message=00, host=7, driver=00
-bash: sdc: command not found
[root@server ~]# sdc : sense not available.
-bash: sdc: command not found
[root@server ~]# sdc: Write Protect is off
-bash: sdc:: command not found
[root@server ~]# sdc: Mode Sense: 43 00 00 00
-bash: sdc:: command not found
[root@server ~]# sdc: assuming drive cache: write through
-bash: sdc:: command not found
[root@server ~]# sdc:<6>Device sdc not ready.
-bash: syntax error near unexpected token `6'
[root@server ~]# end_request: I/O error, dev sdc, sector 0
-bash: end_request:: command not found
[root@server ~]# Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found
[root@server ~]# Device sdc not ready.
Device sdc not ready.
-bash: Device: command not found
[root@server ~]# end_request: I/O error, dev sdc, sector 0
-bash: end_request:: command not found
sdc : READ CAPACITY failed.
sdc : status=0, message=00, host=7, driver=00
[root@server ~]# Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found
[root@server ~]# Device sdc not ready.
-bash: Device: command not found
[root@server ~]# end_request: I/O error, dev sdc, sector 0
sdc : READ CAPACITY failed.
-bash: end_request:: command not found
[root@server ~]# Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found
[root@server ~]# Device sdc not ready.
-bash: Device: command not found
[root@server ~]# end_request: I/O error, dev sdc, sector 0
-bash: end_request:: command not found
[root@server ~]# Buffer I/O error on device sdc, logical block 0
sdc : sense not available.
-bash: Buffer: command not found
[root@server ~]# Device sdc not ready.
-bash: Device: command not found
[root@server ~]# end_request: I/O error, dev sdc, sector 0
-bash: end_request:: command not found
[root@server ~]# Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found
[root@server ~]# Device sdc not ready.
-bash: Device: command not found
[root@server ~]# end_request: I/O error, dev sdc, sector 0
-bash: end_request:: command not found
[root@server ~]# Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found
[root@server ~]# Device sdc not ready.
-bash: Device: command not found
[root@server ~]# end_request: I/O error, dev sdc, sector 0
-bash: end_request:: command not found
[root@server ~]# Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found
[root@server ~]# sdc : READ CAPACITY failed.
-bash: sdc: command not found
[root@server ~]# sdc : status=0, message=00, host=7, driver=00
-bash: sdc: command not found
[root@server ~]# sdc : sense not available.
-bash: sdc: command not found
[root@server ~]# sdc: Write Protect is off
-bash: sdc:: command not found
[root@server ~]# sdc: Mode Sense: 43 00 00 00
sdc : sense not available.
-bash: sdc:: command not found
[root@server ~]# sdc: assuming drive cache: write through
-bash: sdc:: command not found
[root@server ~]# sdc : READ CAPACITY failed.
-bash: sdc: command not found
sdc: Write Protect is off
[root@server ~]# sdc : status=0, message=00, host=7, driver=00
-bash: sdc: command not found
[root@server ~]# sdc : sense not available.
sdc: Mode Sense: 43 00 00 00
-bash: sdc: command not found
[root@server ~]# sdc: Write Protect is off
-bash: sdc:: command not found
[root@server ~]# sdc: Mode Sense: 43 00 00 00
-bash: sdc:: command not found
[root@server ~]# sdc: assuming drive cache: write through
-bash: sdc:: command not found
sdc: assuming drive cache: write through
[root@server ~]# sdc:<3>Buffer I/O error on device sdc, logical block 0
-bash: syntax error near unexpected token `3'
[root@server ~]# Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found
[root@server ~]# Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found
[root@server ~]# Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found
[root@server ~]# Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found
sdc : status=0, message=00, host=7, driver=00
[root@server ~]# Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found
[root@server ~]# Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found
[root@server ~]# sdc : READ CAPACITY failed.
-bash: sdc: command not found
sdc : sense not available.
[root@server ~]# sdc : status=0, message=00, host=7, driver=00
-bash: sdc: command not found
[root@server ~]# sdc : sense not available.
-bash: sdc: command not found
[root@server ~]# sdc: Write Protect is off
-bash: sdc:: command not found
sdc: Write Protect is off
[root@server ~]# sdc: Mode Sense: 43 00 00 00
-bash: sdc:: command not found
[root@server ~]# sdc: assuming drive cache: write through
-bash: sdc:: command not found
[root@server ~]# sdc : READ CAPACITY failed.
-bash: sdc: command not found
[root@server ~]# sdc : status=0, message=00, host=7, driver=00
-bash: sdc: command not found
[root@server ~]# sdc : sense not available.
-bash: sdc: command not found
[root@server ~]# sdc: Write Protect is off
-bash: sdc:: command not found
[root@server ~]# sdc: Mode Sense: 43 00 00 00
-bash: sdc:: command not found
[root@server ~]# sdc: assuming drive cache: write through
-bash: sdc:: command not found
[root@server ~]# sdc:<6>Device sdc not ready.
-bash: syntax error near unexpected token `6'
[root@server ~]# end_request: I/O error, dev sdc, sector 0
-bash: end_request:: command not found
[root@server ~]# Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found
[root@server ~]# Device sdc not ready.
-bash: Device: command not found
[root@server ~]# end_request: I/O error, dev sdc, sector 0
-bash: end_request:: command not found
end_request: I/O error, dev sdc, sector 0
Buffer I/O error on device sdc, logical block 0
[root@server ~]# Buffer I/O error on device sdc, logical block 0
end_request: I/O error, dev sdc, sector 0
-bash: Buffer: command not found
[root@server ~]# Device sdc not ready.
-bash: Device: command not found
Buffer I/O error on device sdc, logical block 0
[root@server ~]# end_request: I/O error, dev sdc, sector 0
end_request: I/O error, dev sdc, sector 0
-bash: end_request:: command not found
[root@server ~]# Buffer I/O error on device sdc, logical block 0
Device sdc not ready.
end_request: I/O error, dev sdc, sector 0
Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found
[root@server ~]# Device sdc not ready.
-bash: Device: command not found
[root@server ~]# end_request: I/O error, dev sdc, sector 0
-bash: end_request:: command not found
[root@server ~]# Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found
[root@server ~]# Device sdc not ready.
-bash: Device: command not found
[root@server ~]# end_request: I/O error, dev sdc, sector 0
-bash: end_request:: command not found
[root@server ~]# Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found
[root@server ~]# Device sdc not ready.
-bash: Device: command not found
[root@server ~]# end_request: I/O error, dev sdc, sector 0
-bash: end_request:: command not found
[root@server ~]# Buffer I/O error on device sdc, logical block 0
-bash: Buffer: command not found