dmx3 - create meta Failed

hi,

i have many hve free

# symdev -sid XXX list -noport

.......

188E Not Visible            ???:? 01A:C28 RAID-5        N/Grp'd      RW   17263

188F Not Visible            ???:? 01B:D28 RAID-5        N/Grp'd      RW   17263

1890 Not Visible            ???:? 01A:C28 RAID-5        N/Grp'd      RW   17263

1891 Not Visible            ???:? 01B:D28 RAID-5        N/Grp'd      RW   17263

1892 Not Visible            ???:? 01A:C28 RAID-5        N/Grp'd      RW   17263

1893 Not Visible            ???:? 01B:D28 RAID-5        N/Grp'd      RW   17263

1894 Not Visible            ???:? 01A:C28 RAID-5        N/Grp'd      RW   17263

1895 Not Visible            ???:? 01B:D28 RAID-5        N/Grp'd      RW   17263

1896 Not Visible            ???:? 01A:C28 RAID-5        N/Grp'd      RW   17263

1897 Not Visible            ???:? 01B:D28 RAID-5        N/Grp'd      RW   17263

1898 Not Visible            ???:? 01A:C28 RAID-5        N/Grp'd      RW   17263

1899 Not Visible            ???:? 01B:D28 RAID-5        N/Grp'd      RW   17263

189A Not Visible            ???:? 01A:C28 RAID-5        N/Grp'd      RW   17263

189B Not Visible            ???:? 01B:D28 RAID-5        N/Grp'd      RW   17263

and i wa,t to create a meta RAID-5 (3 members)

file:

# cat form_meta_04

form meta from dev 188E, config=striped, stripe_size=1 cyl, count=3;

and when i want to create de meta, i have the following message:

# symconfigure -sid xxxx -f form_meta_04 preview

Execute a symconfigure operation for symmetrix '000xxxxxxx' (y/ ) ? y

A Configuration Change operation is in progress. Please wait...

    Establishing a configuration change session...............Established.

    Processing symmetrix 0xxxxxxxxxxxxxx

    Performing Access checks..................................Allowed.

    Checking Device Reservations..............................Allowed.

    Submitting configuration changes..........................Failed.

    Definition 1 is in error:

    The specified number of members could not be found from the pool of unmapped devices

    Terminating the configuration change session..............Done.

The configuration change session has failed.

###

here is the /var/symapi/log/symapi.log

03/29/2012 13:01:55.288	411	1 EMC:SYMCONFIGURE	iCfgChgSessionStart  Starting a local CfgChg session for SID 0xxxxx, symapi V6.4-852 (3.0) ucode 5773
03/29/2012 13:01:58.204	411	Establishing session with Local cfg srvr (000xxxxx)...Established.
03/29/2012 13:02:00.603	411	{
03/29/2012 13:02:00.603	411	form meta from dev 188E config=Striped, stripe_size=1920, member_count=3;
03/29/2012 13:02:00.603	411	}
03/29/2012 13:02:02.970	411	Submitting configuration changes..........................Failed.
03/29/2012 13:02:02.970	411	1 EMC:SYMCONFIGURE	cfgLogSymmwinError   cfgCongtrolSubmit call to silsw_DoSymmWinService for SWS_CONFIG_SUBMIT_CHANGE failed with code: SWRS_INVALID_SERVICE_DATA
03/29/2012 13:02:03.326	411	1 EMC:SYMCONFIGURE	cfgControlSubmit	Local config server msg:
03/29/2012 13:02:03.326	411	0x40004435: Fail to find appropriate devices to build the meta.
03/29/2012 13:02:10.040	411	Terminating session with configuration server.............Done.

all hve are from the same diskgroup.

have you some explanations of this?

thanks