-----Ursprüngliche Nachricht----- Von: "Dejan Muhamedagic" <deja...@fastmail.fm> Gesendet: Nov 4, 2010 4:16:09 PM An: "High-Availability Linux Development List" <linux-ha-dev@lists.linux-ha.org> Betreff: Re: [Linux-ha-dev] DB2 agent patch 2/3: Guard against hanging db2stop
>Hi,
>
>On Thu, Nov 04, 2010 at 09:31:04AM +0100, holger.teut...@web.de wrote:
>> # HG changeset patch
>> # User Holger Teutsch <holger.teut...@web.de>
>> # Date 1288857475 -3600
>> # Node ID 2ff375ca321554cf146bcf5be197f73fcbe28975
>> # Parent 554ebfef6e9513178ea04cc4093710b65311934a
>> Guard against a hanging db2stop by spawning this into the background. Use
>> db2_kill after grace period.
>>
>> diff -r 554ebfef6e95 -r 2ff375ca3215 heartbeat/db2
>> --- a/heartbeat/db2 Thu Nov 04 08:53:37 2010 +0100
>> +++ b/heartbeat/db2 Thu Nov 04 08:57:55 2010 +0100
>> @@ -211,16 +211,11 @@ db2_start() {
...
>> + grace_timeout=$((stop_timeout/1250))
>> +
>> + # start db2stop in background as this may hang
>> + sh $0 db2_stop_bg &
>
>This should be OK:
>
> db2_stop_bg &
Done.
>
...
>> + # let the processes die
>> + sleep 2
>> +
>> + if db2_status
>> + then
>> + ocf_log info "DB2 UDB instance $1 can not be killed with db2nkill"
>> + rc=$OCF_ERR_GENERIC
>> + else
>> + ocf_log info "DB2 UDB instance $1 is now dead"
>> + fi
>
>Perhaps safer to wait in a loop until the processes are gone:
>
> sleep 1
> while db2_status; do
> ocf_log info "waiting for DB2 UDB instance $1 processes to exit"
> sleep 1
> done
> ocf_log info "DB2 UDB instance $1 is now dead"
>
I put in something similar but more specific.
>Cheers,
>
>Dejan
>
Once we are through with this I will rebase the multipartition patch.
Regards
Holger
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