Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Adi,
Please describe some more details.
Are you using the /dev/drbd1 device in your XEN VM's or the
/dev/mapper/storage-ranadtech device?
Kind regards,
Caspar
Op 15 maart 2012 10:26 heeft Adi Spivak <adispi at compulab.co.il> het
volgende geschreven:
> My setup is a centos on 1 hdd with the drbd on it and aditinal 2 hdd set
> as lvm for the XEN vm machines.
>
> Drbdadm verify does not work on 8.0:
> drbdadm verify r0
> Unknown command 'verify'.
>
>
> I am not sure how to fix this...
>
>
> On 03/15/2012 11:19 AM, Caspar Smit wrote:
>> Op 15 maart 2012 09:20 heeft Adi Spivak <adispi at compulab.co.il> het
>> volgende geschreven:
>>> Hi.
>>> I ma using the drbd that comes with centos.
>>> My centos version is 5.8
>>>
>>> My /proc/drbd say as following:
>>>
>>> version: 8.0.16 (api:86/proto:86)
>>> GIT-hash: d30881451c988619e243d6294a899139eed1183d build by
>>> mockbuild at v20z-x86-64.home.local, 2009-08-22 13:27:08
>>>
>>> 1: cs:Connected st:Primary/Secondary ds:UpToDate/UpToDate C r---
>>> ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0
>>> resync: used:0/61 hits:0 misses:0 starving:0 dirty:0 changed:0
>>> act_log: used:0/127 hits:0 misses:0 starving:0 dirty:0 changed:0
>>>
>>>
>>> However, this is not true.
>>> This LVM drive is connected to a XEN VM and after verifing the initial
>>> sync and seeing that they are identical, i have made small changes to
>>> the original machine by adding some files to the desktop and running
>>> some updates.
>>
>> Hi,
>>
>> Do you have LVM on top of DRBD? Or DRBD on top of LVM?
>>
>> In the last case is true my guess is that you are exporting your LVM
>> device to the XEN VM and not the /dev/drbd1 (which you SHOULD export)
>>
>> Making changes to the underlying device of DRBD does NOT replicate the
>> changes to the second node and will result in out of sync blocks (oos
>> on /proc/mdstat) after doing an online verify.
>>
>> You can run an online verify by following the instructions of the
>> relevant documentation page on the linbit site.
>>
>> Best regards,
>> Caspar
>>
>>>
>>> The /proc/drbd keep cliaming they are uptodate, however, when i turn off
>>> the vm on the primary and start on the secondary it is the same as the
>>> original sync with none of my small changes.
>>>
>>> This is my drbd.conf (simple and taken from the guide and without the
>>> IPs and real machine names):
>>> #
>>> # please have a a look at the example configuration file in
>>> # /usr/share/doc/drbd/drbd.conf
>>> #
>>> global {
>>> usage-count yes;
>>> }
>>> common {
>>> protocol C;
>>> }
>>> resource r0 {
>>> on san {
>>> device /dev/drbd1;
>>> disk /dev/mapper/storage-ranadtech;
>>> address <IP>:7789;
>>> meta-disk internal;
>>> }
>>> on sanbkp {
>>> device /dev/drbd1;
>>> disk /dev/mapper/storage-ranadtech;
>>> address <IP>:7789;
>>> meta-disk internal;
>>> }
>>> }
>>>
>>>
>>> What do i need to change to make it work?
>>>
>>> Thank you.
>>>
>>> _______________________________________________
>>> drbd-user mailing list
>>> drbd-user at lists.linbit.com
>>> http://lists.linbit.com/mailman/listinfo/drbd-user