Re: IDS 9.4 Stuck at Fast Recovery
Posted in 2007
Keith Simmons wrote:
> On 10/11/2007, Marco Greco <marco@4glworks.com> wrote:
>> Keith Simmons wrote:
>>> Anyone
>>>
>>> I havea test instance (not being archived that regularly) that
>>> suffered some disk corruption (crossed chunks with another instance
>>> !!). It has bee running OK and Ihave been sorting issues with indexes
>>> as they appear (the crossed chunks were on a dbspace containing mainly
>>> detatched indexes). However there does appear to be a table in one of
>>> these chunks. oncheck -cI showed an issue and I sucessfully dropped
>>> theindexes but was unable to recreate them. The next time I bounced
>>> the instance it refused to start getting stuck at the Fast Recovery
>>> stage. I have tried with -p option to oninit but to no avail.
>>> Although this is only a test instance I really need to preserve most
>>> of the data if at all possible. I can recreate the odd table or two
>>> where required, but not all 200 Gb!!
>>> Any suggestions as to whether it is possible to force this engine into
>>> life by skipping the Fast Recovery in some way?
>>> IDS9.4 FC6 on AIX 5.3.
>>> onstat -p
>>> IBM Informix Dynamic Server Version 9.40.FC6 -- Fast Recovery --
>>> Up 19:41:49 -- 3020880 Kbytes>>>
>>> Profile
>>> dskreads pagreads bufreads %cached dskwrits pagwrits bufwrits %cached
>>> 0 0 0 0.00 0 0 0 0.00
>>>
>>> isamtot open start read write rewrite delete commit rollbk
>>> 0 0 0 0 0 0 0 0 0
>>>
>>> gp_read gp_write gp_rewrt gp_del gp_alloc gp_free gp_curs
>>> 0 0 0 0 0 0 0
>>>
>>> ovlock ovuserthread ovbuff usercpu syscpu numckpts flushes
>>> 0 0 0 70734.67 19.47 0 0
>>>
>>> bufwaits lokwaits lockreqs deadlks dltouts ckpwaits compress seqscans
>>> 0 0 0 0 0 0 0 0
>>>
>>> ixda-RA idx-RA da-RA RA-pgsused lchwaits
>>> 0 0 0 0 52
>>>
>>> Thanks
>>>
>>> Keith
>>> _______________________________________________
>>> Informix-list mailing list
>>> Informix-list@iiug.org
>>> http://www.iiug.org/mailman/listinfo/informix-list
>>>
>> Chances are that the LSN is way behind, and in the next log that the engine is
>> trying to use. but without peeking around it's impossible to say. If it is
>> important to you, you know the drill...
>> --
>> Ciao,
>> Marco
>> ______________________________________________________________________________
>> Marco Greco /UK /IBM Standard disclaimers apply!
>>
>> Structured Query Scripting Language http://www.4glworks.com/sqsl.htm
>> 4glworks http://www.4glworks.com
>> Informix on Linux http://www.4glworks.com/ifmxlinux.htm
>>
> Marco
>
> Thanks.
>
> onstat -l
> 8187fb50 15 U-B---- 16818 3:525053 37500 37500 100.00
> 8187fbb8 16 U-B---- 16819 3:562553 37500 37500 100.00
> 8187fc20 17 U-B---- 16820 3:600053 37500 37500 100.00
> 8187fc88 18 U---C-L 16821 3:637553 37500 22313 59.50
> 8187fcf0 19 U-B---- 16792 3:675053 37500 37500 100.00
> 8187fd58 20 U-B---- 16793 3:712553 37500 37500 100.00
> 8187fdc0 21 U-B---- 16794 3:750053 37500 37500 100.00
> 8187fe28 22 U-B---- 16795 3:787553 37500 37500 100.00
> 8187fe90 23 U-B---- 16796 3:825053 37500 37500 100.00>
> LTAPEDEV /dev/null>
> last checkpoint in the log file was in llog 16821 and was a full
> checkpoint as part of onmode -yuck.
>
> Will do the required next week.
>
> Keith
Nope, not the LSN. I take it there are no recovery afs in the logs, right?
if this is the case, kill the engine, set OFF_RECOVERY_THREADS to 1 and see
what happens
--
Ciao,
Marco
______________________________________________________________________________
Marco Greco /UK /IBM Standard disclaimers apply!
Structured Query Scripting Language http://www.4glworks.com/sqsl.htm
4glworks http://www.4glworks.com
Informix on Linux http://www.4glworks.com/ifmxlinux.htm