From 4e65470f723b81bc9adad11d47ebe5929e353a9d Mon Sep 17 00:00:00 2001 From: Joey Hess Date: Sun, 7 Jan 2018 14:23:52 -0400 Subject: update --- doc/todo/removable_drive_partitioning_and_install.mdwn | 2 ++ 1 file changed, 2 insertions(+) (limited to 'doc') diff --git a/doc/todo/removable_drive_partitioning_and_install.mdwn b/doc/todo/removable_drive_partitioning_and_install.mdwn index 891c3b92..ac270109 100644 --- a/doc/todo/removable_drive_partitioning_and_install.mdwn +++ b/doc/todo/removable_drive_partitioning_and_install.mdwn @@ -28,6 +28,8 @@ Open design questions: > 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. * Should an already imaged drive be updated incrementally or re-imaged? Seems both cases would be useful, the former especially for incrementally -- cgit v1.2.3 From 9ae87002690eb6b44768f40496c3708891698afe Mon Sep 17 00:00:00 2001 From: Joey Hess Date: Sun, 7 Jan 2018 17:11:12 -0400 Subject: PTUUID --- doc/todo/removable_drive_partitioning_and_install.mdwn | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'doc') diff --git a/doc/todo/removable_drive_partitioning_and_install.mdwn b/doc/todo/removable_drive_partitioning_and_install.mdwn index ac270109..e88673c3 100644 --- a/doc/todo/removable_drive_partitioning_and_install.mdwn +++ b/doc/todo/removable_drive_partitioning_and_install.mdwn @@ -25,12 +25,29 @@ 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 configuring it, the latter to bring it up from a clean state. -- cgit v1.2.3