[DRBD-user] How to detach the DRBD Block Device.

Digimer lists at alteeve.ca
Fri Apr 22 06:24:08 CEST 2016

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


Try:

drbdadm secondary <res>
drbdadm disconnect <res>
drbdadm detach <res>

Note that, in your post below, it is already disconnected (StandAlone ==
disconnected), so technically you should skip that call.

digimer

On 22/04/16 12:22 AM, Takeshi Yahagi wrote:
> Hi, Digimer
> 
> Thanks for your reply.
> 
>> Can you paste the output of 'cat /proc/drbd' from the machine you are
> trying to detach? If the peer is not
>> UpToDate and Primary, then it needs the local machine to run. (Just a
> guess, /proc/drbd will give better 
>> indication).
> I did it. The output on console is below!!
> [root#] cat /proc/drbd
>               : <trim>
> 0: cs:StandAlone ro:Primary/Unknown ds:UpToDate/DUnknown   r-----
>     ns:138734606 nr:0 dw:1715987995 dr:1159763787 al:31373043 bm:12020785
> lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:1740
>               : <trim>
> 
> It seems to be "Primary UpToDate".
> 
> Regards,
> ----
> Yahagi(TGI)
> 
> 
> -----Original Message-----
> From: Digimer [mailto:lists at alteeve.ca] 
> Sent: Friday, April 22, 2016 12:16 PM
> To: Takeshi Yahagi <yahagi at tgi.co.jp>; drbd-user at lists.linbit.com
> Subject: Re: [DRBD-user] How to detach the DRBD Block Device.
> 
> On 21/04/16 10:15 PM, Takeshi Yahagi wrote:
>> Hi.
>>
>> This is Yahagi(TGI).
>>
>> I use DRBD v8.3.15, now.
>>
>> I want to detach the DRBD lower device.
>>
>> But, command 
>>   "drbdadm disconnect <DRBD device>
>>    drbdadm detach <DRBD device>"
>> is not success.
>>
>> Error Message from the command "drbdadm detach" is below
>> 0: State change failed: (-2) Need access to UpToDate data Command 
>> 'drbdsetup 0 detach' terminated with exit code 17
>>
>> I want to know the completed command sequence for detach the block device.
>>
>> Regards,
>> ----
>> Yahagi(TGI)
>> ----
> 
> Can you paste the output of 'cat /proc/drbd' from the machine you are trying
> to detach? If the peer is not UpToDate and Primary, then it needs the local
> machine to run. (Just a guess, /proc/drbd will give better indication).
> 
> madi
> 
> --
> Digimer
> Papers and Projects: https://alteeve.ca/w/ What if the cure for cancer is
> trapped in the mind of a person without access to education?
> 


-- 
Digimer
Papers and Projects: https://alteeve.ca/w/
What if the cure for cancer is trapped in the mind of a person without
access to education?



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