On January 12, 2023 2:43:26 AM EST, Michael Schumacher <michael_ml at gmx.de> wrote: > >> Follow-up question: Is my proposed strategy below correct: >> - Make a copy of all existing directories and files on the current >disk using clonezilla. >> - Install the new M.2 SSDs. >> - Partitioning the new SSDs for RAID1 using an external tool. >> - Doing a minimal installation of C7 and mdraid. >> - If choosing three RAID partitions, one for /boot, one for /boot/efi >and the third one for the rest, do I go with the default mdraid >version, ie 1.2 I believe? >> - Copying the backup above with contents of the the existing disks, >ie not just /root and /home but all other directories and files to the >new disks from the clonezilla backup. Note that the new disks will be >larger. >> - Change the boot sequence in the BIOS and reboot. > >I don't know if this is still a problem, but in the past, CentOS was >only writing the boot-loader on one of the RAID-disks. If this one >would fail, the OS would not boot. So you had to make sure to copy the >boot-loader onto all RAID-members. > >Michael Ok, will check. Thank you for raising this issue.