[DRBD-user] Centos 5.0 drbd v 8.2.5

Lars Ellenberg lars.ellenberg at linbit.com
Thu Mar 20 18:51:22 CET 2008

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


On Thu, Mar 20, 2008 at 12:23:20PM -0400, Gabriel Rosca wrote:
> Hi guys. I try to configure drbd and I get this error
> 
> 
> drbdadm create-md repdata
> v08 Magic number not found
> md_offset 319165534208
> al_offset 319165501440
> bm_offset 319155761152
> 
> Found ext3 filesystem which uses 311685096 kB
> current configuration leaves usable 311675548 kB
> 
> Device size would be truncated, which
> would corrupt data and result in
> 'access beyond end of device' errors.
> You need to either
>    * use external meta data (recommended)
>    * shrink that filesystem first
>    * zero out the device (destroy the filesystem)
> Operation refused.
> 
> Command 'drbdmeta /dev/drbd0 v08 /dev/sda2 internal create-md' terminated with
> exit code 40

well.
let me translate that error message for you.
we
  Found [an existing] ext3 filesystem
where you want to create the drbd meta data.
since drbd needs some room to store that meta data,
you have now three options:

 You need to either
    * use external meta data (recommended)
    * shrink that filesystem first
    * zero out the device (destroy the filesystem)

> I am new with this and I will appreciate a idiot proved  howto or explication

I am sorry, we only have the http://www.drbd.org/users-guide
which unfortunately is not idiot proof.

cheers

-- 
: 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 :
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