To: Frank Schilder
Subject: Re: [ceph-users] Re: Data loss by adding 2OSD causing Long heartbeat
ping times
Just for grins, what is your vm.min_free_kbytes setting?
Depending on the size and number of your OSDs and your workload, 2-4GB is a
starting point.
>
> Hi XuYun and Martin,
&g
From: Martin Verges
Sent: 07 May 2020 12:17:10
To: XuYun
Cc: Frank Schilder; ceph-users
Subject: Re: [ceph-users] Re: Data loss by adding 2OSD causing Long heartbeat
ping times
Hello XuYun,
In my experience, I would always disable swap, it won't do any good.
--
Martin Ve
We had got some ping back/front problems after upgrading from filestore to
bluestore. It turned out to be related to insufficient memory/swap usage.
> 2020年5月6日 下午10:08，Frank Schilder 写道：
>
> To answer some of my own questions:
>
> 1) Setting
>
> ceph osd set noout
> ceph osd set nodown
> c
Hello XuYun,
In my experience, I would always disable swap, it won't do any good.
--
Martin Verges
Managing director
Mobile: +49 174 9335695
E-Mail: martin.ver...@croit.io
Chat: https://t.me/MartinVerges
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Com. r
To answer some of my own questions:
1) Setting
ceph osd set noout
ceph osd set nodown
ceph osd set norebalance
before restart/re-deployment did not harm. I don't know if it helped, because I
didn't retry the procedure that led to OSDs going down. See also point 3 below.
2) A peculiarity of thi
