Migrating IMAP accounts to Zimbra
Having to move ~ 180 Mail accounts from an older IMAP server to Zimbra (open source version) I though I would document the process if anyone else finds themself in this situation.
linux
Changing disks of a Linux mdadm RAID
If you change all disks at once there will be issues booting the system and mounting the correct disks, here's how I solved this issue.