How to restore my TSM configure?

Hi all:
I want reinstall my OS(centos4.4) and TSM(tsm 5.3.2). I do the following
steps:
before reinstall OS & TSM:
1.backup /opt/tivoli/tsm/server/bin/dsmserv.opt & devcnfg.out & volhis.out
2.backup db devclass=dbbackupfile type=full (on TSM command line)
3.record information about the dbvol and logvol
4.halt the TSM server

reinstall OS(centos4.4) and TSM.

after reinstall:
1.cp dsmserv.opt & devcnfg.out & volhis.out to /opt/tivoli/tsm/server/bin/
2.dsmfmt -db db1 100
3.dsmserv extend db db1 100 (db1 is the dbvol's name)
4.dsmserv restore db today

than, when I start my TSM,and :
tsm: SERVER1>q vol

Volume Name Storage Device Estimated Pct Volume
Pool Name Class Name Capacity Util Status
------------------------ ----------- ---------- --------- ----- --------
/opt/tivoli/tsm/server/- ARCHIVEPOOL DISK 5.0 0.1 On-Line
bin/archive.dsm
/opt/tivoli/tsm/server/- BACKUPPOOL DISK 10.0 0.0 On-Line
bin/backup.dsm


why ? All the vol lost~! And all the configure are lost~!

How to fix it?

Please help me ~!



DONG DONG YU