Merge branch 'joeyconfig'

1 files changed, 19 insertions, 0 deletions

diff --git a/doc/todo/removable_drive_partitioning_and_install.mdwn b/doc/todo/removable_drive_partitioning_and_install.mdwn
index 891c3b92..e88673c3 100644
--- a/doc/todo/removable_drive_partitioning_and_install.mdwn
+++ b/doc/todo/removable_drive_partitioning_and_install.mdwn
@@ -25,9 +25,28 @@ Open design questions:
 
   Question: When using microsd card adapter, does the serial number pass
   through so different microsds can be distinguished?
+
   > Checked this, and two microsd card adapters from different
   > manufacturers with different microsd cards have the same by-id.
   > Those must have no serial number..
+  > 
+  > Also, a USB SD/microSD reader had the same by-id for multiple cards.
+
+  > > For disks with a MBR, there's a disk identifier / volume id, 
+  > > which should uniquely identify that disk,
+  > > as long as propellor does not overwrite the MBR when imaging it.
+  > > And, GPT has a similar disk GUID.
+  > >
+  > > /dev/disk/by-partuuid exposes this. Some documentation suggests
+  > > it's GPT-only, but my laptop is not GPT and its MBR disk identifier
+  > > shows up there. Oddly, that points to /dev/sda1 and not /dev/sda.
+  > >
+  > > blkid can also display it, as the PTUUID, which works for
+  > > both GPT and MBT.
+  > > --[[Joey]]
+
+	root@darkstar:/home/joey>blkid /dev/sda
+	/dev/sda: PTUUID="d0497bc6" PTTYPE="dos"
 
 * Should an already imaged drive be updated incrementally or re-imaged?
   Seems both cases would be useful, the former especially for incrementally