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Date:      Mon, 29 Apr 2024 13:32:58 +0200
From:      infoomatic <infoomatic@gmx.at>
To:        freebsd-fs@freebsd.org
Subject:   Re: How to create overlay file system on FreeBSD?
Message-ID:  <913eea5e-1a78-4983-b287-c6633d308efe@gmx.at>
In-Reply-To: <PH0PR19MB49381054915EB75A64E1C5249E1B2@PH0PR19MB4938.namprd19.prod.outlook.com>
References:  <823a4c68-37ad-4fd9-9a54-f49f25f3b50c@callfortesting.org> <PH0PR19MB49381054915EB75A64E1C5249E1B2@PH0PR19MB4938.namprd19.prod.outlook.com>

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On 29.04.24 12:53, Chen, Alvin W wrote:
> Hi,
> I'd like to overlay tmpfs on top of a read only dataset.
> /var/data    -> lower: dataset mount as read-only
> /tmp/          ->upper: writable
> /var/overlay -> any files created will be created in /tmp/
> As I know FreeBSD can't support overlayfs, any other ways to achieve it?
>

Maybe unionfs does what you want - have you had a look at it?

Regards,
Robert



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