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To: Proxmox Backup Server development discussion
 <pbs-devel@lists.proxmox.com>, Dominik Csapak <d.csapak@proxmox.com>
References: <20210503092746.6597-1-d.csapak@proxmox.com>
From: Dietmar Maurer <dietmar@proxmox.com>
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Date: Tue, 4 May 2021 13:22:59 +0200
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Subject: [pbs-devel] applied: [PATCH proxmox-backup] docs: tape: clarify
 LTO-4/5 support
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applied

On 5/3/21 11:27 AM, Dominik Csapak wrote:
> some features we need (e.g. READ POSITION long form) are only officially
> available with LTO-5, but work on many LTO-4 drives, so move LTO-4 to
> 'best-effort' support.
>
> Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
> ---
>   docs/tape-backup.rst | 6 ++++--
>   1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/docs/tape-backup.rst b/docs/tape-backup.rst
> index 10a5ef5d..1812acc8 100644
> --- a/docs/tape-backup.rst
> +++ b/docs/tape-backup.rst
> @@ -67,8 +67,10 @@ tape compression feature has no advantage.
>   Supported Hardware
>   ------------------
>   
> -Proxmox Backup Server supports `Linear Tape-Open`_ generation 4 (LTO-4)
> -or later.
> +Proxmox Backup Server supports `Linear Tape-Open`_ generation 5 (LTO-5)
> +or later and has best-effort support for generation 4 (LTO-4). While
> +many LTO-4 systems are known to work, some might need firmware updates or
> +do not implement necessary features to work with Proxmox Backup Server.
>   
>   Tape changing is carried out using the SCSI Medium Changer protocol,
>   so all modern tape libraries should work.