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Re: Help! PostgreSQL stuck at starting up after crash

From: Samuel Hwang <samuel(at)replicon(dot)com>
To: david(at)beechglen(dot)com
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: Help! PostgreSQL stuck at starting up after crash
Date: 2012-01-19 22:46:41
Message-ID: CAOPCsHGanA_sHL-2F4PjdJcSuybMe=RfO_MQpX22Mq9GH4daAQ@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-admin
correct typo.
We pretty much lost the data for the last two days, but since our
postgresql wereN'T running well, it is fewer than it looks.


On Thu, Jan 19, 2012 at 3:45 PM, Samuel Hwang <samuel(at)replicon(dot)com> wrote:

> pg_resetxlog does the trick and db can be started and readable.
>
> I am dumping the data out and import to a newly created database cluster.
>
> We pretty much lost the data for the last two days, but since our
> postgresql were running well, it is fewer than it looks.
>
> Thanks a lot for the help.
>
> On Thu, Jan 19, 2012 at 7:30 AM, David Hornsby <david(at)beechglen(dot)com>wrote:
>
>> Sounds like you have a corrupt wal files that you will have to reset the
>> wal logs with pgresetxlog.
>>
>> http://www.postgresql.org/docs/8.2/static/app-pgresetxlog.html
>>
>> This will result in missing transactions so before you do this shutdown
>> postgres and make a copy of the database files first. That way if you
>> don't like what happens you can always go back to the way things were.
>>
>> Also right now would be a good time to evaluate your backup strategy,
>> which is a different topic for a different thread, but I can certainly
>> help with that as well.
>>
>> -David Hornsby
>>
>> > version Postgresql 9.1.1 on centos5 x64
>> >
>> > We experience slow performance and found the server is running 3 vacuum
>> > process on the same db which use up 99% of CPU.
>> > Then we kill -9 one of those process which cause postgresql to crash and
>> > it
>> > tried to restart after the crash
>> > However when the starting process reach the last WAL files, it just
>> stuck
>> > there
>> >
>> > pg_controldata shows the db is in Archive Recovery mode and when using
>> > psql
>> > to connect the db, it says FATAL: the database system starting up.
>> >
>> > I took a chance and upgrade to PostgreSql 9.1.2 and see if anything
>> > changed
>> > it still stuck at the end of recovery.
>> > pg_controldata shows db is in Crash recovery, but that probably
>> different
>> > wording I think
>> > using psql to connect the db, it says FATAL: the database system is
>> > starting up.
>> >
>> > I pretty much run out of idea here.
>> > Can anyone help what to go from here?
>> >
>> > Samuel
>> >
>>
>>
>>
>
>
> --
>
> *Shian-Miin Samuel Hwang* | Software Developer | Phone 1-403-2626519(ext. 276) | Fax
> 1-403-233-8046
>
> *Replicon* | Hassle-Free Time & Expense Management Software - 7,300
> Customers - 70 Countries
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-- 

*Shian-Miin Samuel Hwang* | Software Developer | Phone 1-403-2626519 (ext.
276) | Fax 1-403-233-8046

*Replicon* | Hassle-Free Time & Expense Management Software - 7,300
Customers - 70 Countries
www.replicon.com | facebook <http://www.facebook.com/Replicon.inc> |
twitter<http://twitter.com/Replicon>|
blog <http://www.replicon.com/blog/> | contact
us<http://www.replicon.com/about_replicon/contact_us.aspx>

*We are hiring!* | search
jobs<http://tbe.taleo.net/NA2/ats/careers/searchResults.jsp?org=REPLICON&cws=1&act=sort&sortColumn=1&__utma=1.651918544.1299001662.1299170819.1299174966.10&__utmb=1.8.10.1299174966&__utmc=1&__utmx=-&__utmz=1.1299174985.10.3.utmcsr=google%7Cutmccn=%28organic%29%7Cutmcmd=organic%7Cutmctr=replicon%20careers&__utmv=1.%7C3=Visitor%20Type=Prospects=1,&__utmk=40578466>

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Next:From: David HornsbyDate: 2012-01-19 22:50:20
Subject: Re: Help! PostgreSQL stuck at starting up after crash
Previous:From: Samuel HwangDate: 2012-01-19 22:45:34
Subject: Re: Help! PostgreSQL stuck at starting up after crash

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