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drbd-user: Re: [DRBD-user] Synced or not?

Re: [DRBD-user] Synced or not?

From: David Coulson <david_at_nospam>
Date: Wed Mar 17 2010 - 15:45:14 GMT
To: Cameron Smith <velvetpixel@gmail.com>

You need to use a cluster-aware filesystem such as ocfs2 or gfs to be
able to mount a DRBD device on both boxes at the same time. it looks
like you are mounting the underlying /dev/sd* block device, not /dev/drbd1.

On 3/17/2010 11:40 AM, Cameron Smith wrote:
> I am stuck.
>
> I did in an initial install of DRBD and was able to achieve a sync
> from primary to secondary!
>
> Maybe.
>
> My partition that is source on primary and destination on secondary is:
>
> /dev/sda2 /data
>
> When I create files in the /data directory I can see that DRBD is
> recognizing that things are changing and when I run:
>
> cat /proc/drbd
>
> on both primary and secondary I see they both change if I modify or
> add files in /data on the primary.
>
>
> My question is why do I not see those same files on /data on the
> secondary?
>
> Shouldn't they be there?
>
>
> Here is the output of cat /proc/drbd from both systems:
>
> [[root@clst01 ~]# cat /proc/drbd
> version: 8.0.16 (api:86/proto:86)
> GIT-hash: d30881451c988619e243d6294a899139eed1183d build by
> mockbuild@v20z-x86-64.home.local, 2009-08-22 13:26:57
>
> 1: cs:SyncSource st:Primary/Secondary ds:UpToDate/Inconsistent C r---
> ns:712320 nr:0 dw:0 dr:712320 al:0 bm:43 lo:0 pe:0 ua:0 ap:0
> [>....................] sync'ed: 1.2% (62300/62996)M
> finish: 44:18:11 speed: 376 (320) K/sec
> resync: used:0/61 hits:44476 misses:44 starving:0 dirty:0 changed:44
> act_log: used:0/127 hits:0 misses:0 starving:0 dirty:0 changed:0
>
>
>
> [root@clst02 ~]# cat /proc/drbd
> version: 8.0.16 (api:86/proto:86)
> GIT-hash: d30881451c988619e243d6294a899139eed1183d build by
> mockbuild@v20z-x86-64.home.local, 2009-08-22 13:26:57
>
> 1: cs:SyncTarget st:Secondary/Primary ds:Inconsistent/UpToDate C r---
> ns:0 nr:718400 dw:718400 dr:0 al:0 bm:43 lo:0 pe:0 ua:0 ap:0
> [>....................] sync'ed: 1.2% (62292/62996)M
> finish: 33:13:27 speed: 416 (320) K/sec
> resync: used:0/61 hits:44856 misses:44 starving:0 dirty:0 changed:44
> act_log: used:0/127 hits:0 misses:0 starving:0 dirty:0 changed:0
>
>
> Thanks!
> Cameron
>
>
>
>
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