[DRBD-user] drbd-overview

Jasmin J. jasmin at anw.at
Sun Sep 17 15:56:10 CEST 2017

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


Hi!

Forget the noise!

Sometimes it is better to keep calm, even when it seems there are bad things
happening with DRBD ... .

I simply executed it in another shell, which wasn't root ... stupid but ...

BR,
   Jasmin



On 09/17/2017 02:01 PM, Jasmin J. wrote:
> Hello!
> 
> I had out of sync blocks in my two node DRBD 8 cluster.
> So I did the usual command to start the resync:
>    drbdadm disconnect <resource>
>    drbdadm connect <resource>
> 
> This worked as expected for the first smaller resource.
> Then I did it for the second bigger one. Here the disconnect stated:
>    Command 'drbdsetup-84 disconnect ipv4:10.23.8.227:7789 ipv4:10.23.8.226:7789' did not terminate within 5 seconds
> Then the
>    drbdsetup status --verbose --statistics
> command hung for long time.
> 
> This came back and all looked ok.
> 
> BUT:
> $ drbd-overview 
>  0:??not-found??  Connected Primary/Secondary UpToDate/UpToDate 
>  1:??not-found??  Connected Primary/Secondary UpToDate/UpToDate 
> 10:??not-found??  Connected Secondary/Primary UpToDate/UpToDate 
> 11:??not-found??  Connected Secondary/Primary UpToDate/UpToDate 
> 
> What can I now do to get this working again?
> 
> Some more info:
> 
> Here the output of
>  cat /proc/drbd
> version: 8.4.9-1clazzes7 (api:1/proto:86-101)
> GIT-hash: 9976da086367a2476503ef7f6b13d4567327a280 build by root at hasi, 2016-12-19 23:25:01
>  0: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r-----
>     ns:7580 nr:0 dw:1238602932 dr:944962846 al:25315 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:d oos:0
>  1: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r-----
>     ns:0 nr:0 dw:6292452 dr:605680447 al:1326 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:d oos:0
> 
> 10: cs:Connected ro:Secondary/Primary ds:UpToDate/UpToDate C r-----
>     ns:0 nr:1264282544 dw:1264282544 dr:608154476 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:d oos:4
> 11: cs:Connected ro:Secondary/Primary ds:UpToDate/UpToDate C r-----
>     ns:0 nr:8390136 dw:8390136 dr:473876280 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:d oos:0
> 
> $ drbdsetup status --verbose --statistics vm-100-disk-root
> vm-100-disk-root role:Primary suspended:no
>     write-ordering:drain
>   volume:0 minor:0 disk:UpToDate
>       size:20970844 read:944967174 written:1238607832 al-writes:25315 bm-writes:0 upper-pending:0
>       lower-pending:0 al-suspended:no blocked:no
>   peer connection:Connected role:Secondary congested:no
>     volume:0 replication:Established peer-disk:UpToDate resync-suspended:no
>         received:0 sent:12480 out-of-sync:0 pending:0 unacked:0
> 
> $ drbdsetup status --verbose --statistics vm-100-disk-var
> vm-100-disk-var role:Primary suspended:no
>     write-ordering:drain
>   volume:0 minor:1 disk:UpToDate
>       size:1310679964 read:605701687 written:6292452 al-writes:1326 bm-writes:0 upper-pending:0
>       lower-pending:0 al-suspended:no blocked:no
>   peer connection:Connected role:Secondary congested:no
>     volume:0 replication:Established peer-disk:UpToDate resync-suspended:no
>         received:0 sent:0 out-of-sync:0 pending:0 unacked:0
> 
> $ drbdadm --version
> DRBDADM_BUILDTAG=GIT-hash:\ ec72a4ef618a2049639bb4f2f49709b0bbf8b111\ build\ by\ debian-ha-maintainers at lists.alioth.debian.org\,\ 2016-10-31\ 23:28:28\ UTC
> DRBDADM_API_VERSION=1
> DRBD_KERNEL_VERSION_CODE=0x080409
> DRBDADM_VERSION_CODE=0x080909
> DRBDADM_VERSION=8.9.9
> 
> BR,
>    Jasmin
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