You will use old coffer disk to work in a new Storage but is necessary develope command for each old coffer disk. If We dont develope the commands, Oceanstor will show us tthe next message.

To old coffer disks works, we need to follow the steps to clean the DLT coffer message:
1.-Loggin by putty.
2.-Change to developer mode:
change user_mode current_mode user_mode=developer
3.-Start debug:
debug
4.-Get the SDid for the old coffer disk:
sddebug show disk
exit
5.-Clear.
change disk clearerrordlt sdid=72 (we need to use the SDid that We get in the step4)
6.-PowerOff the Disk.
poweroff disk disk_id=CTE0.8 (We need to power off the disk using the real disk location that We get in the step 4)
7.-PowerOn the Disk
poweron disk disk_id=CTE0.8 (We need to power on the disk using the real disk location that We get in the step 4)
8.-Validate if the alarm was clean.
Check alarm is gone, and repeat steps 5-7 for all old coffer disks.