Mailing List Archive: DRBD: Users

/proc/drbd status fields: incomplete FAQ entry

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Johan.Verrept at able

Sep 28, 2009, 4:58 AM

Post #1 of 4 (955 views)
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/proc/drbd status fields: incomplete FAQ entry

Hi,

I was curious to the exact meaning of the /proc/drbd fields and
noticed that the FAQ entry
(http://www.linux-ha.org/DRBD/FAQ#head-988086376cbd00bdcc9c9d199317af5f7550c5c1) is out of date. It is missing descriptions for the fields ep, wo and oos.
I think the last one is out-of-sync. Can someone complete the others
please?

Thanks,

Johan

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Johan.Verrept at able

Sep 28, 2009, 5:04 AM

Post #2 of 4 (887 views)
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Re: /proc/drbd status fields: incomplete FAQ entry [In reply to]

Aaah, from the sourcecode :)

+ ep .. number of epochs currently "on the fly", P_BARRIER_ACK pending
+ wo .. write ordering mode currently in use
+ oos .. known out-of-sync kB

Might still be good to update the FAQ though.

J.

On Mon, 2009-09-28 at 13:58 +0200, Johan Verrept wrote:
> Hi,
>
> I was curious to the exact meaning of the /proc/drbd fields and
> noticed that the FAQ entry
> (http://www.linux-ha.org/DRBD/FAQ#head-988086376cbd00bdcc9c9d199317af5f7550c5c1) is out of date. It is missing descriptions for the fields ep, wo and oos.
> I think the last one is out-of-sync. Can someone complete the others
> please?
>
> Thanks,
>
> Johan
>
> _______________________________________________
> drbd-user mailing list
> drbd-user [at] lists
> http://lists.linbit.com/mailman/listinfo/drbd-user
>

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lars.ellenberg at linbit

Sep 28, 2009, 7:19 AM

Post #3 of 4 (898 views)
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Re: /proc/drbd status fields: incomplete FAQ entry [In reply to]

On Mon, Sep 28, 2009 at 02:04:42PM +0200, Johan Verrept wrote:
> Aaah, from the sourcecode :)

some read the documentation ;)
some use the source.

> + ep .. number of epochs currently "on the fly", P_BARRIER_ACK pending
> + wo .. write ordering mode currently in use
> + oos .. known out-of-sync kB
>
> Might still be good to update the FAQ though.

That FAQ is unmaintained. Maybe we should get rid of it ;)

In contrast, the DRBD User's Guide is very well maintained:

Chapter 6. "Common administrative tasks"
Section "Checking DRBD Status"
Subsection "Status information in /proc/drbd"

see: http://www.drbd.org/docs/working/

--
: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com

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Johan.Verrept at able

Sep 28, 2009, 7:38 AM

Post #4 of 4 (894 views)
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Re: /proc/drbd status fields: incomplete FAQ entry [In reply to]

On Mon, 2009-09-28 at 16:19 +0200, Lars Ellenberg wrote:

> That FAQ is unmaintained. Maybe we should get rid of it ;)
> In contrast, the DRBD User's Guide is very well maintained:

For some reason, the faq entry (and the patch that added the comment)
came up in google and the manual didn't. Which is a bit disappointing
because it is a good manual.

Cheers,

J.

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