[DRBD-user] [CASE-14] primary node hang by VM-net-disconnect during big file copy

[Jaeheon Kim]

Hi,

Failure to post this message was size limit.
I will post again to remove the accumulated previous mails.

Thanks.


2016-03-02 18:13 GMT+09:00 Jaeheon Kim <jhkim at mantech.co.kr>:

> Dear Phil and Lars,
>
> Today, I have tested case-14 with your latest patch [1379f77].
> The result is same, Vm freezed!
> Please check my test-step and reproduce it.
>
>
> 1. Version
>
> [root at drbd9-02 tmp]# cat /proc/drbd
> version: 9.0.1-1 (api:2/proto:86-111)
> GIT-hash: 1379f7703c3365995b2128155767e5dd02aac800 build by root at drbd9-01,
> 2016-03-02 14:02:26
>
> 2. conf
>
>         net {
>                 verify-alg crc32c;
>                 protocol A;
>                 sndbuf-size 256k;
>                 on-congestion pull-ahead;
>                 congestion-fill 128k;
>          }
>
>
> 3. Test
>
>    - During big file copy, disconnect/connect Vm network status icon(see
> 'B' at screenshot blew)
>    - See previous mail for detail
>
> 4. freezed screenshot(Primary)
>
>    - see  http://imagebin.ca/v/2YqKFB0RJOYG
>       - A) copy command
>       - B) Vm network connect/disconnect test icon
>
>
> 5. Logs(Primary)
>    - Let me attach full log files here:  http://pastebin.com/XREZwGLT
>    - please check my comments in this log file
>
>
> Anyway, have you ever seen such a situation in your VM?
> If you need another log or status for debuging, please say,  I will send
> it.
>
>
> Thanks.
>
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