[DRBD-user] Swaping drbd harddrive for bigger size

Groups Account junk at lexoncom.com
Thu Aug 26 17:50:52 CEST 2010


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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