[DRBD-user] Swaping drbd harddrive for bigger size

Stefan Seifert nine at detonation.org
Wed Sep 29 17:18:41 CEST 2010

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


On Wednesday 29 September 2010 17:11:10 Groups Account wrote:
>   i guess this is last time i will ask
> anyone?
> 
> if not i will have to rebuild new harddrives and restore from the backup

Should be all you need:
http://www.drbd.org/users-guide/s-resizing.html

> On 09/06/2010 02:23 PM, Groups Account wrote:
> > So nobody know how to swap the drives for bigger ones with drbd?
> > 
> > On 08/26/2010 10:50 AM, Groups Account wrote:
> >> On 08/04/2010 04:23 PM, Groups Account wrote:
> >>> Currently I use 160G harddrives for drbd resources.
> >>> Those are sata hds with 3 partitions, one for meta data, 2 for drbd
> >>> resource data.
> >>> I want to swap those drives to 1T.
> >>> How do i do that?
> >>> Can I simply:
> >>> - shutdown the secondary resource
> >>> - replaced the drive
> >>> - reformat with bigger partitions
> >>> - do i have to format again as drbd?
> >>> 
> >>> What are the steps?
> >>> Are there any guides explaining how to do that?
> >>> 
> >>> thx
> >>> 
> >>> Bart
> >>> 
> >>> the resource is configured as:
> >>> 
> >>> resource r0 {
> >>> 
> >>>   protocol C;
> >>>   startup { wfc-timeout 0; degr-wfc-timeout     120; }
> >>>   disk { on-io-error detach; } # or panic, ...
> >>>   net {}
> >>>  
> >>>  syncer { rate 10M;}
> >>>  
> >>>    on node1 {#
> >>>    
> >>>     device /dev/drbd0;
> >>>     disk /dev/sdc2;
> >>>     address 192.168.2.252:7788;
> >>>     meta-disk /dev/sdc1[0];
> >>>  
> >>>  }
> >>>  
> >>>   on node2 {
> >>>   
> >>>     device /dev/drbd0;
> >>>     disk /dev/sdc2;
> >>>     address 192.168.2.253:7788;
> >>>     meta-disk /dev/sdc1[0];
> >>>   
> >>>   }
> >>> 
> >>> }
> >>> 
> >>> resource r1 {
> >>> 
> >>>   protocol C;
> >>>   startup { wfc-timeout 0; degr-wfc-timeout     120; }
> >>>   disk { on-io-error detach; } # or panic, ...
> >>>   net {}
> >>>   
> >>>   
> >>>   syncer { rate 10M;}
> >>>   on node1 {
> >>>   
> >>>     device /dev/drbd1;
> >>>     disk /dev/sdc3;
> >>>     address 192.168.2.252:7788;
> >>>     meta-disk /dev/sdc1[0];
> >>>   
> >>>   }
> >>>   on node2 {
> >>>   
> >>>     device /dev/drbd1;
> >>>     disk /dev/sdc3;
> >>>     address 192.168.2.253:7788;
> >>>     meta-disk /dev/sdc1[0];
> >>>   
> >>>   }
> >>> 
> >>> }
> >>> 
> >>> and partitions on both servers look like:
> >>> 
> >>> Disk /dev/sdc: 160.0 GB, 160041885696 bytes
> >>> 255 heads, 63 sectors/track, 19457 cylinders
> >>> Units = cylinders of 16065 * 512 = 8225280 bytes
> >>> 
> >>>    Device Boot      Start         End      Blocks   Id  System
> >>> 
> >>> /dev/sdc1               1          50      401593+  83  Linux
> >>> /dev/sdc2              51        7399    59030842+  83  Linux
> >>> /dev/sdc3            7400       19457    96855885   83  Linux
> >> 
> >> anyone knows what is the correct procedure to accomplish above?
> >> 
> >> thx
> 
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