GNU bug report logs - #66014
Unable to use UUIDs to construct RAID array in mapped-devices

Previous Next

Full log

Message #8 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Csepp <raingloom <at> riseup.net>
To: Lars Rustand <rustand.lars <at> gmail.com>
Cc: bug-guix <at> gnu.org, 66014 <at> debbugs.gnu.org
Subject: Re: bug#66014: Unable to use UUIDs to construct RAID array in
 mapped-devices
Date: Mon, 18 Sep 2023 14:24:16 +0200

Lars Rustand <rustand.lars <at> gmail.com> writes:

> [[PGP Signed Part:Undecided]]
> Setting up a RAID array using UUIDs does not work.
>
> The following mapped-devices block works:
>
>   (mapped-devices
>     (list
>       (mapped-device
>         (source (list "/dev/nvme0n1p2" "/dev/nvme1n1p3"))
>         (target "/dev/md0")
>         (type raid-device-mapping))))
>
> But this one fails:
>
>   (mapped-devices
>     (list
>       (mapped-device
>         (source (list (uuid "a07c54da-eb61-4135-86b8-8791e863e46a") (uuid "c40026af-ace9-47fc-9d3f-4b8d6a2219cb")))
>         (target "/dev/md0")
>         (type raid-device-mapping))))
>
> The error message I get is guix system: error: #<<uuid> type: dce bv: #vu8(160 124 84 218 235 97 65 53 134 184 135 145 232 99 228 106)>: invalid G-expression input
>
> [[End of PGP Signed Part]]

Would it be possible to use /dev/disk/by-uuid paths instead of uuid
objects for these?  I think this big "typeof" based dynamic dispatch
that we're using in Scheme is erm, not very robust, to put it mildly.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.