=== DANSE Sever Upgrade Plan === == Phase I == DONE * Copy all of danse2 backup disk to danse1 4T disk * Image danse1 4T disk onto second 4T disk * Remove two main drives from danse 2 but keep for a while in case of problems * Insert new 250GB WD BLue SSD 3D NAND SATA SD as boot drive into danse2 and transfer imaged 4T drive from danse1 (matched serial number with github notes) to danse 2 as sdb * Install Ubuntu 18.04 LTS, released on April 26, 2018 with end of life April 2023, on sda of danse2 * Used minimal install option (no games etc?) * installed ssh server * used apt-get update and upgrade ... also ran upgrade from GUI when asked * set ssh config file to not allow root login * Installed ufw firewall and enabled only ssh. Not sure we want to keep that? TODO * Verify contents of 3^rd^ disk on danse2 (sdc) * Once copied what is needed from sdc of danse2 remove that drive * Migrate all services one by one from danse1 to danse2 == Phase II - tentative == * Shut down danse1 * Transfer danse2 drives to danse1 * Optional: * Upgrade memory on danse1 * Replace 4T disk with new one during transfer to danse1 == Phase III - backup plan == * Crashplan with Andrew is only stopgap need a versioned backup to guard against corruption of data/hacking/ransomware etc. == Phase IV - tentative == * Install mirrors * Potential locations/funding - estimate <$3000 each * UMD or UD (NIST) * !Bristol/Diamond?