[DRBD-user] Swaping drbd harddrive for bigger size

Groups Account junk at lexoncom.com
Wed Sep 29 17:11:10 CEST 2010


  i guess this is last time i will ask
anyone?

if not i will have to rebuild new harddrives and restore from the backup

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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