[DRBD-user] Create partitions from DRBD

Faria digolinopage at yahoo.com.br
Tue Jul 29 16:59:26 CEST 2008

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


Hello Lars,

I readed all chapter five in the DRBD site.
All steps are successful, then i saw the result of /proc/drbd in both machines:

root at ubuntu-cluster1:~# cat /proc/drbd 
version: 8.0.5 (api:86/proto:86)
SVN Revision: 3011 build by root at ubuntu-cluster1, 2008-07-25 14:46:01
 0: cs:WFConnection st:Primary/Unknown ds:UpToDate/DUnknown C r---
    ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0
	resync: used:0/31 hits:0 misses:0 starving:0 dirty:0 changed:0
	act_log: used:0/257 hits:0 misses:0 starving:0 dirty:0 changed:0


root at ubuntu-cluster2:~# cat /proc/drbd 
version: 8.0.5 (api:86/proto:86)
SVN Revision: 3011 build by root at ubuntu-cluster2, 2008-07-28 10:28:49
 0: cs:WFConnection st:Secondary/Unknown ds:Inconsistent/DUnknown C r---
    ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0
        resync: used:0/31 hits:0 misses:0 starving:0 dirty:0 changed:0
        act_log: used:0/257 hits:0 misses:0 starving:0 dirty:0 changed:0

I believe this allright. Then I added the drbd in /etc/modules, and reboot the machine. After reboot I'll see the result of the command cat /proc/drdb.

root at ubuntu-cluster2:~# cat /proc/drbd 
version: 8.0.5 (api:86/proto:86)
SVN Revision: 3011 build by root at ubuntu-cluster2, 2008-07-28 10:28:49

root at ubuntu-cluster1:~# cat /proc/drbd
version: 8.0.5 (api:86/proto:86)
SVN Revision: 3011 build by root at ubuntu-cluster1, 2008-07-25 14:46:0

Then I try run the daemon drbd :

root at ubuntu-cluster2:~# /etc/init.d/drbd start
Starting DRBD resources:    [ d0 n0 ].
..........
***************************************************************
 DRBD's startup script waits for the peer node(s) to appear.
 - In case this node was already a degraded cluster before the
   reboot the timeout is 0 seconds. [degr-wfc-timeout]
 - If the peer was available before the reboot the timeout will
   expire after 0 seconds. [wfc-timeout]
   (These values are for resource 'r0'; 0 sec -> wait forever)
 To abort waiting enter 'yes' [  39]:

I the two node this message happen.

My drbd.conf is equal the example in five chapter.

What's missing ?

Att,

Faria

others logs:

Jul 29 11:24:02 ubuntu-cluster1 kernel: [  185.050000] drbd0: resync bitmap: bits=48176 words=1506
Jul 29 11:24:02 ubuntu-cluster1 kernel: [  185.050000] drbd0: size = 188 MB (192704 KB)
Jul 29 11:24:02 ubuntu-cluster1 kernel: [  185.050000] drbd0: reading of bitmap took 0 jiffies
Jul 29 11:24:02 ubuntu-cluster1 kernel: [  185.050000] drbd0: recounting of set bits took additional 0 jiffies
Jul 29 11:24:02 ubuntu-cluster1 kernel: [  185.050000] drbd0: 188 MB marked out-of-sync by on disk bit-map.
Jul 29 11:24:02 ubuntu-cluster1 kernel: [  185.050000] drbd0: disk( Attaching -> UpToDate ) 
Jul 29 11:24:02 ubuntu-cluster1 kernel: [  185.050000] drbd0: Writing meta data super block now.
Jul 29 11:24:02 ubuntu-cluster1 kernel: [  185.060000] drbd0: conn( StandAlone -> Unconnected ) 
Jul 29 11:24:02 ubuntu-cluster1 kernel: [  185.060000] drbd0: receiver (re)started
Jul 29 11:24:02 ubuntu-cluster1 kernel: [  185.060000] drbd0: conn( Unconnected -> WFConnection )















--- Em seg, 28/7/08, Lars Ellenberg <lars.ellenberg at linbit.com> escreveu:

> De: Lars Ellenberg <lars.ellenberg at linbit.com>
> Assunto: Re: [DRBD-user] Create partitions from DRBD
> Para: drbd-user at lists.linbit.com
> Data: Segunda-feira, 28 de Julho de 2008, 18:35
> On Mon, Jul 28, 2008 at 10:16:16AM -0700, Faria wrote:
> > Hello,
> > 
> > I set the drbd.conf, then when in start drbd come this
> message : 
> > cmd /sbin/drbdsetup /dev/drbd0 disk /dev/sda7
> /dev/sda7 internal --set-defaults --create-device
> --on-io-error=panic  failed - continuing!
> 
> normally, there should be some more information as just
> this.
> have a look at your syslog or kernel log files,
> or try that command by itself.
> 
> > I searched in web, then I found one message in forum
> say this :
> > "create the partition with size 192MB in your
> hard disk."
> > Ask: Do I must create this partition physically (in
> the hard disk) or logically ?
> 
> what is the difference between a physical and a logical
> partition?
> all partitions are "logical", no?
> 
> > Other ask : Is partition (drdb) have a type ?
> 
> no. it does not care.
> 
> note:
> 	to set up drbd,
> 	it is not enough
> 	to create a config file
> 	and say /etc/init.d/drbd start.
> 
> you need to explicitly create the drbd meta data as well,
> and initiate the initial sync.
> 
> you probably did neither of the latter yet.
> 
> may I suggest that you have a look at the users guide
>  http://www.drbd.org/doc/about
> 
> read it.
> read it again.
> complain on this list about anything that still may seem
> unclear.
> 
> then follow chapter 5. "configuring drbd", and
> experiment with
> the things in chapter 6. "common administrative
> tasks".
> 
> -- 
> : Lars Ellenberg                          
> http://www.linbit.com :
> : DRBD/HA support and consulting             sales at
> linbit.com :
> : LINBIT Information Technologies GmbH      Tel
> +43-1-8178292-0  :
> : Vivenotgasse 48, A-1120 Vienna/Europe     Fax
> +43-1-8178292-82 :
> __
> please don't Cc me, but send to list -- I'm
> subscribed
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