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Problems accessing DASD



Hi,

I'm trying to install Debian 3.0 on IBM z/900 under a z/VM-Guest (z/VM 4.3) with the following z/VM-user:

-------USER.DIRECT start-------
USER LINUXV1  XXXXX 128M 256M G                             
 INCLUDE IBMDFLT                                              
 ACCOUNT LINUXV1                                              
 MACHINE ESA                                       
 OPTION LNKNOPAS                                              
 IPL CMS PARM AUTOCR                                          
 DEDICATE 1900 1900                                           
 DEDICATE 1901 1901                                           
 MDISK 191 3390 0801 0050 430W02 MR READ     WRITE    MULTIPLE
*LINUX SWAP                                                   
 MDISK 200 3390 0001 0200 LI2105 MR READ     WRITE    MULTIPLE
*LINUX /                                                      
 MDISK 201 3390 0001 3338 LI2106 MR READ     WRITE    MULTIPLE
*LINUX /USR                                                   
 MDISK 202 3390 0001 3338 LI2107 MR READ     WRITE    MULTIPLE
*                                                             
-------USER.DIRECT end-------

While loading with vmreader following messages appear:

--------- boot start ------
Kernel command line: dasd=200-202 root=/dev/ram0 ro                    
Highest subchannel number detected (hex) : 0010                        
SPID - Device 0191 on Subchannel 0002, lpm 20, became 'not operational'
SPID - Device 0200 on Subchannel 0003, lpm 20, became 'not operational'
SPID - Device 0201 on Subchannel 0004, lpm 20, became 'not operational'
SPID - Device 0202 on Subchannel 0005, lpm 20, became 'not operational'
--------- boot end -------

After the network configuration and login with telnet I can't attach a disk. The menulist from dbootstrab is empty. In /proc/dasd/devices the following is listed:

------- cat /proc/dasd/devices start ---------                          
cat /proc/dasd/devices                          
0200(none) at ( 94:  0) is dasda      : unknown 
0201(none) at ( 94:  4) is dasdb      : unknown 
0202(none) at ( 94:  8) is dasdc      : unknown 
------- cat /proc/dasd/devices end ---------                          

Do you have any suggestions or hints and tips?

Regards 
Armin 




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