[DRBD-user] DRBD Fails to Establish Connection

Eric Robinson eric.robinson at psmnv.com
Mon Jul 31 11:35:30 CEST 2017

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


I'm using drbd-utils-9.0.0 but it does not appear to have drbdmon.

Drbdtop sounds awesome.  

--
Eric Robinson
   

> -----Original Message-----
> From: drbd-user-bounces at lists.linbit.com [mailto:drbd-user-
> bounces at lists.linbit.com] On Behalf Of Robert Altnoeder
> Sent: Monday, July 31, 2017 2:06 AM
> To: drbd-user at lists.linbit.com
> Subject: Re: [DRBD-user] DRBD Fails to Establish Connection
> 
> On 07/24/2017 10:08 PM, Roland Kammerer wrote:
> > On Mon, Jul 24, 2017 at 06:53:25PM +0000, Eric Robinson wrote:
> >>>   # drbdadm status
> >>>   # drbdadm status --verbose
> >>>   # drbdsetup status
> >>>   # drbdsetup status --statistics
> >>>   # drbdsetup status --verbose --statistics
> >>>
> >> Well, there you go. I guess I keep running into places where commands
> >> do not work as they did previously
> [...]
> > So, with drbd8 you had simple point-to-point connections with two
> > nodes and you had a hand full of resources. That can be exposed via
> > /proc nicely.
> >
> > With drbd9 you can have hundreds of resources. They can have complex
> > topologies like full meshes,
> [...]
> > Exposing that via /proc is a bad idea.
> 
> By the way, newer drbd-utils versions also come with a utility called
> 'drbdmon', which displays a live-view of the resources in a very compressed
> format by hiding or shortening most unnecessary information (all the things
> that are working the way they should) while still highlighting those resources,
> volumes and connections that are in a problematic state, and showing
> detailed status only for those items.
> 
> It was originally written for internal use at LINBIT while testing with many
> resources, where even the output of 'drbdadm status' was too cumbersome
> to read. Since it turned out to be useful for getting a quick overview of what's
> going on with DRBD 9 resources, it was decided to make it publicly available
> as a part of the drbd-utils package.
> 
> To start it, with a unicode-capable terminal, you simply type drbdmon
> 
> If your terminal is not unicode capable, use drbdmon --ascii
> 
> Once in, several hotkeys allow navigating and switching views, most of it is
> pretty much self-explanatory.
> 
> Another utility that is being actively developed by LINBIT staff is 'drbdtop',
> which also enables a user to change the state of
> resources/volumes/connections using hotkeys instead of having to type
> drbdadm commands.
> 
> Therefore I think it is safe to say that you can expect many improvements of
> that kind in the future, and once all the new tools go into production use, I
> guess noone is going to miss the /proc/drbd file anymore.
> 
> --
> Robert Altnoeder
> +43 1 817 82 92 0
> robert.altnoeder at linbit.com
> 
> LINBIT | Keeping The Digital World Running DRBD - Corosync - Pacemaker f /
> t /  in /  g+
> 
> DRBD(r) and LINBIT(r) are registered trademarks of LINBIT, Austria.
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