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To: Proxmox Backup Server development discussion
 <pbs-devel@lists.proxmox.com>, Dominik Csapak <d.csapak@proxmox.com>
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Subject: Re: [pbs-devel] [PATCH proxmox-backup] tape: wait for calibration
 of LTO-9 tapes
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(re-send with list in CC, sorry)

On 15/04/2025 13:40, Dominik Csapak wrote:
> Since LTO-9, initial loading of tapes into a drive can block up to 2
> hours according to the spec. In case we run into a ready check timeout,
> query the drive, and increase the timeout to 2 hours and 5 minutes if
> it's calibrating (5 minutes headroom).

Is there any (spec) reference we can link here?

And the 2h5m would be on top of the previous max_wait, AFAICT.

And, didn't we already fix something like this? Or at least had some
other handling added for long initial initialisation of LTO9 tapes, or
was that something different or just a discussion without a patch.
Not really important though, just wondering.

Changes look alright besides of those meta things, so I could fleece
any relevant info into the commit message too on applying, if nothing
else comes up.



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