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From: Christoph Hellwig <hch@lst.de>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>,
	Andrey Albershteyn <aalbersh@redhat.com>,
	xfs <linux-xfs@vger.kernel.org>
Subject: Re: [PATCH] xfs_scrub_all.timer: don't run if /var/lib/xfsprogs is readonly
Date: Mon, 27 Jan 2025 09:57:51 +0100	[thread overview]
Message-ID: <20250127085751.GA22719@lst.de> (raw)
In-Reply-To: <20250122193437.GY3557553@frogsfrogsfrogs>

On Wed, Jan 22, 2025 at 11:34:37AM -0800, Darrick J. Wong wrote:
> The particular place that I noticed this was on my fstests fleet, where
> the root filesystem is an ro nfs4 export.  I forgot to configure an
> overlayfs for /var/lib/xfsprogs, so when I upgraded it to xfsprogs 6.12
> and left the VMs running on a Sunday morning, they tried to start
> xfs_scrub_all and failed.  Then the monitoring systems emailed me about
> that, and I got 150 emails. :(
>
> This /should/ be a pretty uncommon situation since (AFAICT) most
> readonly-root systems set up a writable (and possibly volatile)
> /var/lib, but I thought I should just turn off the timer if it's going
> to fail anyway.

Can you write this up in a comment in the systemd unit file?

With that the patch looks fine to me:

Reviewed-by: Christoph Hellwig <hch@lst.de>

  reply	other threads:[~2025-01-27  8:58 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-22  2:00 [PATCH] xfs_scrub_all.timer: don't run if /var/lib/xfsprogs is readonly Darrick J. Wong
2025-01-22  6:02 ` Christoph Hellwig
2025-01-22  7:18   ` Darrick J. Wong
2025-01-22  7:22     ` Christoph Hellwig
2025-01-22 19:34       ` Darrick J. Wong
2025-01-27  8:57         ` Christoph Hellwig [this message]
2025-01-27 16:03           ` Darrick J. Wong
2025-01-27 21:36 ` [PATCH v2] " Darrick J. Wong

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