I am looking into thin snapshots since the older COW snapshots delay my boot enormously.
--
My normal root fs is on a normal "non-thin" volume.
So to make a snapshot I have boot into a live cd environment then set my root fs volume to read-only and then set it to inactive.
Commands:
sudo lvchange -pr vgfedora/fedora
sudo lvchange -an vgfedora/fedora
Now I create the thin snapshot using lvcreate, after that I need to restore my root LVS to its original state:
sudo lvchange -ay vgfedora/fedora
sudo lvchange -prw vgfedora/fedora
This fails with:
Command on LV vgfedora/fedora uses options that are invalid with LV parameters: lv_is_external_origin.
I mean what is the point of creating a thin snapshot if I can't change my original volume ?
What am I doing wrong?
Regards,
Sreyan Chakravarty
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