Debian 8 and Debian 9 Dual Boot
My first Linux install was about one year ago. After some missteps, I
have used Debian 8 in reasonable satisfaction on the desktop during that
year. Now I want to leave 8 in place and do a network install for Debian
9 on the same disk and switch back and forth at boot time. LVM reports
dan@debian:/$ sudo vgdisplay -C
VG #PV #LV #SN Attr VSize VFree
debian-vg 1 5 0 wz--n- 976.56g 938.20g
Currently, Debian 8 needs less than 40g for me as you can see:
dan@debian:/$ sudo lvdisplay -C
LV VG Attr LSize ...
home debian-vg -wi-ao---- 10.00g
root debian-vg -wi-ao---- 8.38g
swap_1 debian-vg -wi-ao---- 7.81g
tmp debian-vg -wi-ao---- 380.00m
var debian-vg -wi-ao---- 11.79g
So there is plenty of disk space for the two Debians and more besides.
The question is how to prepare to install 9? My guess is to define
another volume group called debian9-vg perhaps but how will this be
recognized during network install? I've clobbered stuff before during
installs and I'm gun shy. Maybe there is a better way. Any thoughts on
this will be appreciated.