On 02.03.20 16:39, Dan Ritter wrote: > Tony van der Hoff wrote: >> Hi, >> I'm currently running Buster on a 5 year old GigaByte motherboard with a >> 10-year old Raid-1 array on 2 500GB disks. Although it is running fine, I'm >> becoming a bit concerned about the longevity of this storage, so I'm >> planning to upgrade it to a 500GB or maybe 1TB SSD from Crucial. >> >> My plan would be to install the SSD in the cage, and dd the contents of the >> array onto the SSD. I would then change the BIOS to boot from the SSD, >> making the RAID array redundant. >> >> Can someone please tell me whether this plan is feasible, and what pitfalls >> I might encounter? >> > > I would recommend: > > - install SSD > - partition SSD, aligning partitions with new block sizes > - create filesystems in SSD partitions > - copy over filesystems with rsync > - make changes to new /etc/fstab > - make changes to bootloader to set new root filesystem > - shut down machine > - disconnect old disks > - start machine, make BIOS changes if necessary > - boot > - test for functionality > > file-level copying is better than block-level copying when going > between drives of different technologies. > > -dsr- >
Why you do not simply prepare the SSD (partition/align) and after that add the SSD as 3rd drive to the raid? When all is synced you can kick off the HDD's or that them to "Write mostly".
