Can I switch to RAID without losing data?

Can I switch to RAID without losing data?

Storage pools can be changed from one RAID type to another without losing existing data. For example, you can create a RAID 1 storage pool on your Synology NAS and later change it to RAID 5 if you install more drives.

How do you create a RAID 1 from an existing drive?

1 Answer

1. First prepare the disk with gdisk since fdisk can not do a partition larger than 2TB.
2. Run sudo mdadm –create –verbose /dev/md0 –force –level=1 –raid-devices=1 /dev/sdb1 .
3. Format the newly created RAID partition and copy everything from the original disk to this partition.

Does creating RAID delete data?

So simple answer is yes, it will wipe the drive. Back up all your data that you need to a separate disc, create the RAID array, and put your data back.

Can you add RAID 1 later?

Yes, you CAN migrate your single drive volume to a 2 drive RAID1 volume at a later point.

How to add drives to RAID 1 without losing data?

You need to put the drives into the server and create a new RAID 1 array then migrate your data as reqired over to the new volume. Was this post helpful? Thanks for your feedback!

What happens when I delete a RAID 1 volume?

After you delete a RAID 1 volume or reset the hard drive members of the RAID 1 volume to non-RAID, you can access your data with one of the following options: If the RAID 1 volume has an operating system, boot to either of the hard drives.

Can you delete a RAID 1 mirror without losing data?

You should be able to delete a RAID 1 mirror without losing data if the RAID 1 volume is: Data loss can occur if the RAID 1 volume is the second volume in a matrix RAID configuration. How do I access the data after I delete a RAID 1 volume?

How to configure a non-RAID disk?

Set the Read Policy and Cache Policy on the Advanced Menu. Exit the Advanced Menu. Highlight Accept and press . Do not initialize. Press and select Yes at the Save prompt. Exit the BIOS Configuration Utility and reboot.