GNU logs - #66014, boring messages

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Subject: bug#66014: Unable to use UUIDs to construct RAID array in mapped-devices
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From: Lars Rustand <rustand.lars@HIDDEN>
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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

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Lars Rustand <rustand.lars@HIDDEN>
Subject: bug#66014: Acknowledgement (Unable to use UUIDs to construct RAID
 array in mapped-devices)
Message-ID: <handler.66014.B.169480414625021.ack <at> debbugs.gnu.org>
References: <xxlwcsoh7rear4uvg4ual2rylwothzbmgnyr5vwuyxdw6wu67b@wpoyabx34qfl>
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Date: Fri, 15 Sep 2023 18:56:02 +0000

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Subject: bug#66014: Unable to use UUIDs to construct RAID array in mapped-devices
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Lars Rustand <rustand.lars@HIDDEN> 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.

Message sent to bug-guix@HIDDEN:

Subject: bug#66014: Unable to use UUIDs to construct RAID array in mapped-devices
Resent-From: Csepp <raingloom@HIDDEN>
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From: Csepp <raingloom@HIDDEN>
Date: Mon, 18 Sep 2023 14:24:16 +0200
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Lars Rustand <rustand.lars@HIDDEN> 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.

Last modified: Mon, 18 Sep 2023 12:30:02 UTC

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