=== DANSE Sever Upgrade Plan ===
Hardware for Danse2



== 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?