created: 20150511071117085
creator: user
modified: 20171002210116759
modifier: user
tags: docker [[raspberry pi]]
title: use usb stick with docker
type: text/vnd.tiddlywiki

move current pi stuff

```bash
rsync -aSHAXP --info=progress2 --delete /mnt /home/pi
```

moving existing docker graph

```bash
rsync -aSHAXP --info=progress2 --delete /var/lib/docker /mnt/usb
```

; Full system backup with rsync
: https://wiki.archlinux.org/index.php/full_system_backup_with_rsync

```bash
mke2fs -T ext4,news -L docker -v /dev/sda
```

$ cat /etc/default/docker

```sh
# Docker Upstart and SysVinit configuration file

# Customize location of Docker binary (especially for development testing).
#DOCKER="/usr/local/bin/docker"

# Use DOCKER_OPTS to modify the daemon startup options.
DOCKER_OPTS="--storage-driver=overlay -D --dns 192.168.22.22 --graph=/mnt/usb/docker --log-driver=syslog --log-opt syslog-address=udp://192.168.22.22:514 --log-opt syslog-format=rfc5424"

# If you need Docker to use an HTTP proxy, it can also be specified here.
export http_proxy="http://192.168.2.1:3128/"

# This is also a handy place to tweak where Docker's temporary files go.
#export TMPDIR="/mnt/bigdrive/docker-tmp"
export TMPDIR=/mnt/usb/docker-tmp"
```

$ cat /etc/systemd/system/docker.service.d/overlay.conf

```
[Service]
ExecStart=
ExecStart=/usr/bin/dockerd --storage-driver overlay -D --graph=/mnt/usb/docker --log-driver=syslog --log-opt syslog-address=udp://nas.aiko.sh:514 --log-opt syslog-format=rfc5424 -H fd://
Environment="HTTP_PROXY=http://192.168.22.22:3128/" "TMPDIR=/mnt/usb/docker-tmp"

```


```
systemctl daemon-reload
```


```bash
mkdir -p /mnt/usb/docker /mnt/usb/docker-tmp
```

```
$ ls -lathr /dev/disk/by-uuid/
```

```
$ cat /etc/fstab

proc			/proc	proc	defaults	0	0
/dev/mmcblk0p1	/boot	vfat	defaults	0	0
/dev/mmcblk0p2	/		ext4	noatime		0	1
UUID=16e0972d-6abf-4369-be0e-5fd2e10a070a	/mnt/usb	ext4	commit=600,noatime	0	0
#none        /var/run        tmpfs   size=1M,noatime         0 0
none        /var/log        tmpfs   size=1M,noatime         0 0
none        /var/tmp        tmpfs   size=1M,noatime         0 0
none        /tmp            tmpfs   size=12M,noatime         0 0
```

```
tune2fs -c 1 /dev/disk/by-uuid/16e0972d-6abf-4369-be0e-5fd2e10a070a
```

!!Logging

vi /etc/rsyslog.conf

```
$ActionFileDefaultTemplate RSYSLOG_SyslogProtocol23Format

###############
#### RULES ####
###############

*.* @192.168.22.22:514
```


vi /etc/systemd/journald.conf

```
[Journal]
Storage=none
#Storage=auto
```

!! Backup

```
HypriotOS/armv7: pirate@pi47.aiko.sh in ~
$ cat /etc/cron.daily/backup
#!/usr/bin/env bash

docker run --rm=true --env-file=/mnt/usb/pi/aws.env -e SILO=pi47_data -e BACKUP_PATH=/data --volume=/mnt/usb/pi/data:/data:ro aiko/backup >> /var/log/cron.log
#docker run -i -t --rm=true --env-file=/mnt/usb/pi/aws.env -e SILO=pi47_data -e BACKUP_PATH=/data --volume=/mnt/usb/pi/data:/data:ro aiko/backup >> /var/log/cron.log

# docker run -d --env-file=/mnt/usb/pi/aws.env -e SILO=pi47_data -e BACKUP_PATH=/data --volume=/mnt/usb/pi/data:/data:ro aiko/backup
```