Raid after install

Look to make sure there are no entried for sda1, the following outbut has been truncated to show only the modifed entries:. In order to boot properly during the raid setup, we will need to create a temporary grub config file. FOr this you will need to know what your kernel verion is. Add the following at the bottom of the file, making sure to replace all instance of the kernel version with the version you found in the previous command:.

Copy files to the new disk Now we need to copy all the files from the file system root to the raid partition. If you are doing this remotely via SSH, you can add the verbose option to the command to see that the process is still running. I would not recommend doing this at the server as the refresh rate on the monitor will slow down the process.

Now you will need to reboot. For this part, you should be at the server as it may ask you if you wish to boot from a degraded RAID, you will need to type yes for it to complete the boot process so that it can be accessible remotely again.

If your raid partitions changed, for the rest of the tutorial, swap md0 and md1 with the appropriate changes. Now we are going to change the paritition types of sda1 and sda5 just like we did for sdb1 and sdb5. Before continuing, make sure your raid is fully rebuilt — this may take a while! Now its time to do some house cleaning.

It creates both sets of device files in any case, but this way I can use intuitive names. This site uses Akismet to reduce spam. Learn how your comment data is processed.

Preamble We all know how easy it is to set up software RAID1 during install… but what if you had to do it afterward? Disklabel type : dos. Disk identifier : 0xfa0f1. How satisfied are you with this reply? Thanks for your feedback, it helps us improve the site. In reply to HairyFool's post on January 26, HairyFool, Thanks for the reply.

Why would you say the performance benefit is marginal? In reply to Jim-L's post on January 26, Apologies if you already know this but This site in other languages x.

Just remember to keep an eye on error reporting once you have it set up in case of any issues. RAID 1 is a mirror which basically means the data is copied into both disks. RAID 5 is striped, meaning the data is spread across the drives with parity bits on each to allow the RAID to rebuild data from a lost disk.

Topics Microsoft. See all comments 4. The drives available will be listed on the right-hand side under Disks. From here you can decide which configuration you want to select.

I personally selected Raid 0 but the choice is yours. After this you will choose the size of the array you want to build. I just kept the default setting of using All Available Space for my raid drives. This will look something like this:. After configuring it to your liking simply press C to create your array. Press Esc and Y to restart your system with your new Raid configuration.

After rebooting, navigate back to your BIOS and select your new raid configuration for the boot disk. After doing this your machine will restart again. Allow it to go through the normal startup process. It will prompt you of a driver error at which point your screen should look like this:. Your screen should look like this:.