Behavior one:
First out-of-box time, pg_ctl does not find any database files, it tells the user that "sorry I did not find any database to start....see initdb....
Result: we have a semi-unhappy user/admin that says... what is initdb
Behavior two:
In order to enhance the out-of-box experience, we have wiped out a production environment, leading to many unhappy staff and customers....
PG developers...I am not impressed at all...
Medi
On Wed, May 28, 2008 at 7:51 PM, Tom Lane <tgl@xxxxxxxxxxxxx> wrote:
Steve Holdoway <steve.holdoway@xxxxxxxxxxxxx> writes:
> "Medi Montaseri" <montaseri@xxxxxxxxx> wrote:
>> I think the following happend...The other thing to do is remove the auto-initdb behavior in your startup
>> Since my PGDATA was on an iSCSI device, by the time /etc/rc3.d/S64postgresql
>> was executed, the device below it was not available.....question...why the
>> error says "permission denied" vs "file not found". In the meantime, pg_ctl
>> kept trying and finally concluded that the data directory is blank, and
>> hence this must be a out-of-box case and he is good to initdb the PGDATA and
>> as it called initdb to do the job... the iSCSI volume below it came online
>> and by then the bomb had already been dropped.
>>
>> Now I need to find some facts to support this...
> When you mount a partition on linux, it does this by overlaying it's root directory with the existing one on the parent volume. Ownerships and permissions are also replaced. I expect that the /qmsvol directory will be owned by root, with fairly restrictive access rights. This will not be the case the root ( . ) directory on the external device, which will be postgres-friendly.
>> Where else can I look for forensics
> I don't think you need any more! To fix this, I'd do 2 things. First, start postgres much later in the boot sequence:
> cd /etc/rc3.d ; mv S64postgresql S99postgresql
> ( and the same in rc5.d if you're using a gui at all ).
script. We've done that in recent releases because of prior reports of
this type of problem. The OP's script is evidently still old-school,
though.
regards, tom lane
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