[DRBD-user] again: secondary/unknown, primary/unknown (solved)

Thomas Baumann tom at tiri.li
Sun Jan 16 23:32:04 CET 2011

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


Am 16.01.2011 23:25, schrieb Thomas Baumann:
> Hi list,
> I saw several approaches to get the resource get in sync again, but it
> will not work:
>
> node1:
>
> version: 8.3.7 (api:88/proto:86-91)
> GIT-hash: ea9e28dbff98e331a62bcbcc63a6135808fe2917 build by
> phil at fat-tyre, 2010-01-13 17:17:27
> 0: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r----
> ns:264076 nr:0 dw:0 dr:264076 al:0 bm:64 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b
> oos:0
> 1: cs:StandAlone ro:Primary/Unknown ds:UpToDate/DUnknown r----
> ns:0 nr:0 dw:0 dr:0 al:0 bm:1 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:4096
>
>
> node2:
>
> version: 8.3.7 (api:88/proto:86-91)
> GIT-hash: ea9e28dbff98e331a62bcbcc63a6135808fe2917 build by
> phil at fat-tyre, 2010-01-13 17:17:27
> 0: cs:Connected ro:Secondary/Primary 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 ep:1 wo:b oos:0
> 1: cs:WFConnection ro:Secondary/Unknown ds:UpToDate/DUnknown C r----
> ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:8192
>
> I tried following:
>
> node1$ drbdadm secondary r0
> node1$ cat /proc/drbd
> version: 8.3.7 (api:88/proto:86-91)
> GIT-hash: ea9e28dbff98e331a62bcbcc63a6135808fe2917 build by
> phil at fat-tyre, 2010-01-13 17:17:27
> 0: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r----
> ns:264076 nr:0 dw:0 dr:264076 al:0 bm:64 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b
> oos:0
> 1: cs:StandAlone ro:Secondary/Unknown ds:UpToDate/DUnknown r----
> ns:0 nr:0 dw:0 dr:0 al:0 bm:1 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:4096
>
> node2$ cat /proc/drbd # remains as it seems not to be connected
> version: 8.3.7 (api:88/proto:86-91)
> GIT-hash: ea9e28dbff98e331a62bcbcc63a6135808fe2917 build by
> phil at fat-tyre, 2010-01-13 17:17:27
> 0: cs:Connected ro:Secondary/Primary 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 ep:1 wo:b oos:0
> 1: cs:WFConnection ro:Secondary/Unknown ds:UpToDate/DUnknown C r----
> ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:8192
>
> node2$ drbdadm disconnect r0
> node2$ cat /proc/drbd # changes to StandAlone
> version: 8.3.7 (api:88/proto:86-91)
> GIT-hash: ea9e28dbff98e331a62bcbcc63a6135808fe2917 build by
> phil at fat-tyre, 2010-01-13 17:17:27
> 0: cs:Connected ro:Secondary/Primary 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 ep:1 wo:b oos:0
> 1: cs:StandAlone ro:Secondary/Unknown ds:UpToDate/DUnknown r----
> ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:8192
> node2$ drbdadm -- --discard-my-data connect r0
> node2$ cat /proc/drbd # changes to former status
> version: 8.3.7 (api:88/proto:86-91)
> GIT-hash: ea9e28dbff98e331a62bcbcc63a6135808fe2917 build by
> phil at fat-tyre, 2010-01-13 17:17:27
> 0: cs:Connected ro:Secondary/Primary 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 ep:1 wo:b oos:0
> 1: cs:WFConnection ro:Secondary/Unknown ds:UpToDate/DUnknown C r----
> ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:8192
>
> node1$ drbdadm primary r0
> node1$ cat /proc/drbd
> version: 8.3.7 (api:88/proto:86-91)
> GIT-hash: ea9e28dbff98e331a62bcbcc63a6135808fe2917 build by
> phil at fat-tyre, 2010-01-13 17:17:27
> 0: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r----
> ns:264076 nr:0 dw:0 dr:264076 al:0 bm:64 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b
> oos:0
> 1: cs:StandAlone ro:Primary/Unknown ds:UpToDate/DUnknown r----
> ns:0 nr:0 dw:0 dr:0 al:0 bm:1 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:4096
>
> So - nothing to get the resource r0 again in sync.
>
> What is missing?
> Best regards and thanks for help.
>
> Thomas.

OK, I got it:

on node1 there was one little thing missing:

node1$ drbdadm connect r0
node1$ cat /proc/drbd
version: 8.3.7 (api:88/proto:86-91)
GIT-hash: ea9e28dbff98e331a62bcbcc63a6135808fe2917 build by 
phil at fat-tyre, 2010-01-13 17:17:27
  0: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r----
     ns:264076 nr:0 dw:0 dr:264076 al:0 bm:64 lo:0 pe:0 ua:0 ap:0 ep:1 
wo:b oos:0
  1: cs:SyncSource ro:Primary/Secondary ds:UpToDate/Inconsistent C r----
     ns:264024 nr:0 dw:0 dr:264024 al:0 bm:16 lo:1457 pe:440 ua:1457 
ap:0 ep:1 wo:b oos:52164896
         [>....................] sync'ed:  0.6% (50940/51196)M
         finish: 0:13:15 speed: 65,564 (65,564) K/sec

Best wishes,
Thomas.



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