I have a HDD that can not be bootup ( should be the boot file problem ) ,I want to get back the data in it , so I plug it to another server , and trying to copy the data from the failure HDD to this server .

Now , the server is re-boot and in maintenance mode as the HDD can not do the system check . when I try to copy data , it pops the server is read-only system , can advise

1. how to let me write data to the server ; or
2. let me boot up the server , then I will mount the HDD to it , and copy the data to the server .


Thanks in advance.

Why not throw a Live CD into it and then you can copy between the two harddrives attached (assuming the problem one is not dead)