AMD SB850 Raid - Should an output like this happen?

[Thomas Jackowski]

Hello,

I have a RAID10 setup on my AMD SB850 Raid chipset. Well I noticed from
the very beginning issues with dmraid and its outputs.

zusteller ~ # dmraid -r
/dev/sdd: pdc, "pdc_cficbgcda-1", stripe, ok, 1953124992 sectors, data@ 0
/dev/sdc: pdc, "pdc_cficbgcda-1", stripe, ok, 1953124992 sectors, data@ 0
/dev/sdb: pdc, "pdc_cficbgcda-0", stripe, ok, 1953124992 sectors, data@ 0
/dev/sda: pdc, "pdc_cficbgcda-0", stripe, ok, 1953124992 sectors, data@ 0
zusteller ~ # dmraid -s -s pdc_cficbgcda
*** Active Superset
name   : pdc_cficbgcda
size   : 3906249984
stride : 128
type   : raid10
status : ok
subsets: 2
devs   : 4
spares : 0
--> Active Subset
name   : pdc_cficbgcda-0
size   : 3906249984
stride : 128
type   : stripe
status : ok
subsets: 0
devs   : 2
spares : 0
--> Active Subset
name   : pdc_cficbgcda-1
size   : 3906249984
stride : 128
type   : stripe
status : ok
subsets: 0
devs   : 2
spares : 0

zusteller ~ # dmraid -i -si pdc_cficbgcda-1
ERROR: pdc: wrong # of devices in RAID set "pdc_cficbgcda-1" [1/2] on
/dev/sdd
ERROR: pdc: wrong # of devices in RAID set "pdc_cficbgcda-1" [1/2] on
/dev/sdc
ERROR: pdc: wrong # of devices in RAID set "pdc_cficbgcda-0" [1/2] on
/dev/sdb
ERROR: pdc: wrong # of devices in RAID set "pdc_cficbgcda-0" [1/2] on
/dev/sda
ERROR: either the required RAID set not found or more options required
no raid sets and with names: "pdc_cficbgcda-1"
zusteller ~ # dmraid -i -si pdc_cficbgcda-0
ERROR: pdc: wrong # of devices in RAID set "pdc_cficbgcda-1" [1/2] on
/dev/sdd
ERROR: pdc: wrong # of devices in RAID set "pdc_cficbgcda-1" [1/2] on
/dev/sdc
ERROR: pdc: wrong # of devices in RAID set "pdc_cficbgcda-0" [1/2] on
/dev/sdb
ERROR: pdc: wrong # of devices in RAID set "pdc_cficbgcda-0" [1/2] on
/dev/sda
ERROR: either the required RAID set not found or more options required
no raid sets and with names: "pdc_cficbgcda-0"
zusteller ~ # dmraid -i -si pdc_cficbgcda
zusteller ~ # dmraid -i -si /dev/sda
ERROR: pdc: wrong # of devices in RAID set "pdc_cficbgcda-1" [1/2] on
/dev/sdd
ERROR: pdc: wrong # of devices in RAID set "pdc_cficbgcda-1" [1/2] on
/dev/sdc
ERROR: pdc: wrong # of devices in RAID set "pdc_cficbgcda-0" [1/2] on
/dev/sdb
ERROR: pdc: wrong # of devices in RAID set "pdc_cficbgcda-0" [1/2] on
/dev/sda
ERROR: either the required RAID set not found or more options required
no raid sets and with names: "/dev/sda"

I am not sure if this is just wrong usage of the dmraid commands or if
there goes something terribly wrong. Any advice?

Bye, Thomas