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List: ceph-users
Subject: [ceph-users] Re: High ceph_osd_commit_latency_ms on Toshiba MG07ACA14TE HDDs
From: Frank Schilder <frans () dtu ! dk>
Date: 2020-06-24 16:14:39
Message-ID: 6fbb3bae0c624cfd89cb65c401cb409b () dtu ! dk
[Download RAW message or body]
> I can remember reading this before. I was hoping you maybe had some
> setup with systemd scripts or maybe udev.
Yeah, doing this on boot up would be ideal. I was looking really hard into tuned and \
other services that claimed can do it, but required plugins or other stuff did/does \
not exist and documentation is close to non-existent.
After spending a couple of days I gave up and went with the simple script-command \
version.
If you come across something that allows easy configuration of this at boot-time, \
please let me know.
Best regards,
=================
Frank Schilder
AIT Risų Campus
Bygning 109, rum S14
________________________________________
From: Marc Roos <M.Roos@f1-outsourcing.eu>
Sent: 24 June 2020 18:08:49
To: Frank Schilder; paul.emmerich
Cc: bknecht; ceph-users; s.priebe
Subject: RE: [ceph-users] Re: High ceph_osd_commit_latency_ms on Toshiba MG07ACA14TE \
HDDs
> Sorry for the spam, but I need to add this disclaimer:
> Although it is documented as safe to disable volatile write cache on a
disk in use, I would
> probably not do it. The required cache flush might be erroneous in the
firmware.
I can remember reading this before. I was hoping you maybe had some
setup with systemd scripts or maybe udev.
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