Josh-D. S. Davis

Xaminmo / Omnimax / Max Omni / Mad Scientist / Midnight Shadow / Radiation Master

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Debian on Amazon Web Services Elastic Cloud (AWS EC2)
Josh 201604 KWP
I'm using Ubuntu Precise, which is linux 3.2.0, and various DebUntu packages.

The Amazon Machine ID is ami-82fa58eb. The root device is an 8g block on EBS (required for free tier).

It runs fine under a micro image (also required for free tier).

But I like JFS, and it doesn't have JFS.
Also, I wanted /home to be separate from the jumbo root filesystem.

So, I did this:
* Add the new device (22GB to stay within 30G free tier) as /dev/sdf (first free slot)
root@aws:/root# dmesg | tail
[161800.993075] blkfront device/vbd/2128 num-ring-pages 1 nr_ents 32.
[161801.895396] blkfront: xvdf: barrier or flush: disabled
[161801.905416]  xvdf: unknown partition table

* Create the volume group:
root@aws:/root# apt-get update
root@aws:/root# apt-get install lvm2
root@aws:/root# pvcreate /dev/xvdf
  Physical volume "/dev/xvdf" successfully created
root@aws:/root# vgcreate -Ay -M2 -p32 -s256M rootvg /dev/xvdf
  Volume group "rootvg" successfully created
root@aws:/root# lvcreate -Ay -L 20G -n hd1 -prw -rauto rootvg
  Logical volume "hd1" created

* Create the filesystem
root@aws:/root# apt-get install jfsutils
root@aws:/root# mkfs.jfs -L /home /dev/rootvg/hd1
mkfs.jfs version 1.1.15, 04-Mar-2011
Warning!  All data on device /dev/rootvg/hd1 will be lost!

Continue? (Y/N) y

Format completed successfully.

20971520 kilobytes total disk space.
root@aws:/root# cp -p /etc/fstab /etc/fstab.bak
root@aws:/root# vi /etc/fstab
echo 'LABEL=cloudimg-rootfs   /        ext4   defaults        1 1
LABEL=/home             /home    jfs    defaults,nofail 0 2
' > /etc/fstab

* Update the kernel to support JFS
root@aws:/root# aptitude safe-upgrade
root@aws:/root# apt-get install linux-image-extra-virtual jfsutils 
root@aws:/root# reboot


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