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Re: PSA for RAID users in Guix System (mdadm)

From: Felix Lechner
Subject: Re: PSA for RAID users in Guix System (mdadm)
Date: Fri, 23 Jun 2023 19:18:35 -0700


> the raid-device-mapping in Guix
> checks whether all component devices are present before assembling an
> array . [2] That check will prevent your system from booting when one
> of your disks has failed.

A patch series for that bug was submitted for review. [1]

The fix was tested over several weeks on two production machines. I
encourage all MD array users to adopt the new md-array-device-mapping
as soon as it becomes available.

> The 'checkarray' script that can be used for this purpose on Debian
> does not appear to be available in Guix.

The checkarray script was ported but is still in testing. [2] It will
be offered as a system service in the near future, if possible.

Thanks everyone, and please have a good weekend!

Kind regards


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