GNU logs - #34255, boring messages

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Subject: bug#34255: wishlist: Add guix-y way to create swapfile
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Resent-Date: Wed, 30 Jan 2019 07:49:02 +0000
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From: swedebugia <swedebugia@HIDDEN>
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Date: Wed, 30 Jan 2019 08:48:29 +0100
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Hi

I specified a swapfile in my config without creating it on disk manually.

(swap-devices '("/swapfile"))

Then I predictably got this error:

guix system: error: exception caught while executing 'start' on service 
'swap-/swapfile':
In procedure swapon: "/swapfile": No such file or directory

I think we should let guix do all the dirty work of generating the 
swapfile so we can do something like:

(swap-file 	
	(file "/swapfile"))
	(size "1G"))

And then guix will invoke the relevant file tools to create and enable 
the swap file.

We could add a check to see if the file exist and if yes try to use it 
as is.

-- 
Cheers
Swedebugia

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: swedebugia <swedebugia@HIDDEN>
Subject: bug#34255: Acknowledgement (wishlist: Add guix-y way to create
 swapfile)
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Date: Wed, 30 Jan 2019 07:49:02 +0000

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Message sent to bug-guix@HIDDEN:

Subject: bug#34255: wishlist: Add guix-y way to create swapfile
Resent-From: david.larsson@HIDDEN
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To: swedebugia <swedebugia@HIDDEN>
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Date: Sun, 3 Feb 2019 16:59:14 +0100 (CET)
From: david.larsson@HIDDEN
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> Hi
>
> I specified a swapfile in my config without creating it on disk manually.
>
> (swap-devices '("/swapfile"))
>
> Then I predictably got this error:
>
> guix system: error: exception caught while executing 'start' on service 
> 'swap-/swapfile':
> In procedure swapon: "/swapfile": No such file or directory
>
> I think we should let guix do all the dirty work of generating the swapfile 
> so we can do something like:
>
> (swap-file
> 	(file "/swapfile"))
> 	(size "1G"))
>
> And then guix will invoke the relevant file tools to create and enable the 
> swap file.
>
> We could add a check to see if the file exist and if yes try to use it as is.

Hi,

I just want to give a little warning or tip regarding swapfiles on
btrfs. Generally you can't use swapfiles on btrfs - swapon will throw an
error and btrfs-balance will corrupt the filesystem but with a few
tricks swapfiles actually can be used on btrfs:
https://github.com/sebastian-philipp/btrfs-swapon

Best regards,
David L

Message sent to bug-guix@HIDDEN:

Subject: bug#34255: wishlist: Add guix-y way to create swapfile
Resent-From: david.larsson@HIDDEN
Original-Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org>
Resent-CC: bug-guix@HIDDEN
Resent-Date: Sun, 03 Feb 2019 16:00:03 +0000
Resent-Message-ID: <handler.34255.B.154920960220876 <at> debbugs.gnu.org>
Resent-Sender: help-debbugs@HIDDEN
To: swedebugia <swedebugia@HIDDEN>
Cc: 34255 <at> debbugs.gnu.org
Date: Sun, 3 Feb 2019 16:59:14 +0100 (CET)
From: david.larsson@HIDDEN
In-Reply-To: <85f0c642-8f24-3b33-ded8-dee9e191f567@HIDDEN>
Message-ID: <alpine.DEB.2.21.1902031644490.55299@Librem13v3>
References: <85f0c642-8f24-3b33-ded8-dee9e191f567@HIDDEN>
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII; format=flowed
Precedence: list
Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org
Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org>

> Hi
>
> I specified a swapfile in my config without creating it on disk manually.
>
> (swap-devices '("/swapfile"))
>
> Then I predictably got this error:
>
> guix system: error: exception caught while executing 'start' on service 
> 'swap-/swapfile':
> In procedure swapon: "/swapfile": No such file or directory
>
> I think we should let guix do all the dirty work of generating the swapfile 
> so we can do something like:
>
> (swap-file
> 	(file "/swapfile"))
> 	(size "1G"))
>
> And then guix will invoke the relevant file tools to create and enable the 
> swap file.
>
> We could add a check to see if the file exist and if yes try to use it as is.

Hi,

I just want to give a little warning or tip regarding swapfiles on
btrfs. Generally you can't use swapfiles on btrfs - swapon will throw an
error and btrfs-balance will corrupt the filesystem but with a few
tricks swapfiles actually can be used on btrfs:
https://github.com/sebastian-philipp/btrfs-swapon

Best regards,
David L

Last modified: Mon, 25 Nov 2019 12:00:02 UTC

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