Syswipe

Tools to scrub disks and factory reset a server when it is decommissioned.

Create bootable USB key

Get System Rescue CD image

Burn a USB key

Configure on Linux (or Bash on Windows)

cd to the USB key root
(optional, set additional environment variables ... see "Advanced Install" below)
curl "https://raw.githubusercontent.com/ncsa/syswipe/${SYSWIPE_GIT_BRANCH:-main}/setup_srcd.sh" | bash

Auto wipe a server

Boot from USB key

Insert USB key
Power on (or reboot)
If boot from USB is not enabled:
1. During POST, manually select Boot options (usually F11)
2. Select the USB key as the boot option

Monitor progress of auto-wipe local drives

Live: Ctl-Alt-F2
Logs: /var/log/auto_wipe.log
Live Rate: iostat -z -m -y -d 1 1

Continuous wipe using an external drive carrier

Connect a USB drive carrier and insert a hard drive. The system will detect the new device and wipe it automatically. When it's complete, swap in a new drive to have it auto-wiped. Repeat until all drives are wiped.

Monitor progress of hot-swap drive wipes

Live: Ctl-Alt-F3
Monitor: watch -n 30 /root/status.sh
Logs: /var/log/continous_wipe.log
Live Rate: iostat -p "$(cat /root/disk_wipe_in_progress)" -m -y -d 1 1

Advanced Install Options - Environment Variables

Control extra features during "Configure" stage.

Set these before running "curl ... setup_srcd.sh" (above)

Use a branch other than main
- export SYSWIPE_GIT_BRANCH=some_branch_name
Install ssh authorized_keys from github.com/user.keys
- export SYSWIPE_AUTHKEYS_GITHUBUSER=githubusername

Reset customizations

Insert USB key
cd to the USB key root
rm -f autorun/* sysrescue.d/2*

Other tools

Wipe a Dell System iDRAC - BEFORE doing auto-wipe

ssh to the system

If not already installed, install racadm

curl -s https://linux.dell.com/repo/hardware/dsu/bootstrap.cgi | bash
yum install -y srvadmin-idracadm7
mkdir /root/bin
ln -s /opt/dell/srvadmin/bin/idracadm7 /root/bin/racadm

racadm systemerase idrac,bios
Node will reboot on it's own and usually will stay off
Insert USB key
Power on node
1. If there are remaining iDRAC changes to apply, it will apply those and power off again.
2. Repeat until it boots from USB, which will auto wipe all the drives.

Extras

Enable USB boot on Dell server

curl "https://raw.githubusercontent.com/ncsa/syswipe/${SYSWIPE_GIT_BRANCH:-main}/scripts/Dell/racadm_set_usb_boot" | bash

ncsa / syswipe