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| ##Close down the server and disconnect the primary hard drive and reconnect the "spare" drive and boot from it. | | ##Close down the server and disconnect the primary hard drive and reconnect the "spare" drive and boot from it. |
| ##Get into a terminal session (you are back in SME7.5 at this stage - a good idea to disconnect the Network also to stop emails being delivered to the wrong system). | | ##Get into a terminal session (you are back in SME7.5 at this stage - a good idea to disconnect the Network also to stop emails being delivered to the wrong system). |
− | ##Overwrite the initial blocks on the drive by ''dd if=/dev/zero of=/dev/sdc count=255''. This stops SME8 thinking that the spare drive has a raid partition on it and thus not booting properly (it fails at the udev stage). Note that the ''/dev/sdc'' must be replaced by the device name of your spare hard drive. | + | ##Overwrite the initial blocks on the drive by ''dd if=/dev/zero of=/dev/sdc count=255''. This stops SME8 thinking that the spare drive has a raid partition on it and thus not booting properly (it fails at the udev stage). Note that the ''/dev/sdc'' must be replaced by the device name of your spare hard drive. Please be careful about this bit, if yu overwrite the wrong hard drive you will regret it (although you could still recover back to 7.5) |
| ##Close down the system | | ##Close down the system |
| ##Connect in the primary drive | | ##Connect in the primary drive |
| ##Reboot, and then use the Console menu option to start the synchronisation of the new drive | | ##Reboot, and then use the Console menu option to start the synchronisation of the new drive |
| #If you decide that you need to reverse back to the 7.5 system, then you can do it as follows: | | #If you decide that you need to reverse back to the 7.5 system, then you can do it as follows: |
− | ##blah blah | + | ##In fact this is the same as above EXCEPT you overwrite the initial bytes of the SME8 system and then boot up from the SME7.5 system and Re-sync |
| #Another alternative for returning to 7.5 is to re-install 7.5 on the system, then install [[DAR2]], then restore the data from the USB hard Drive backup. | | #Another alternative for returning to 7.5 is to re-install 7.5 on the system, then install [[DAR2]], then restore the data from the USB hard Drive backup. |
| #I then added in the others contribs that I use (see list below), they all seem to be working, and they picked up the parameters ok from the restored db. | | #I then added in the others contribs that I use (see list below), they all seem to be working, and they picked up the parameters ok from the restored db. |