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Re: [suse-oracle] Async IO with SLES9 SP2 and 9.2.0.6

Alexei_Roudnev

2005-08-30

Replies:
Aga; last info I find in russian forum www.sql.ru was

- one of LVM and Linux combinations broke async io (rely to Redhat update4
or 5, as I remember)...

But I did not notice any problems with

SLES9 Sp1 and SP2
Oracle 10g 10.1.0.3
ext3 file system and ASM
Async IO

(but can not confirm Async IP on OCFSv2).


----- Original Message -----
From: "Kevin Closson" <kevinc@(protected)>
To: <suse-oracle@(protected)>
Sent: Tuesday, August 30, 2005 3:34 PM
Subject: [suse-oracle] Async IO with SLES9 SP2 and 9.2.0.6



I have seen significant numbers of posts about problems
with async IO on the various conbinations of SLES,Oracle and
bitness.

My question is whether ANYBODY is successfully using async IO
with 9.2.06 on 32 bit SLES9.

For the life of me I can't figure out how you folks are so
patient with async working,not working, maybe, patches, etc.
Drives me crazy...since I'm used to simply installing the
ODM library and watching it NO-OP out all the *async*
and filesystemio_options parameters and actually working :-)

But, I need to look into async IO on ext3 for some tests.

I would appreciate the info. Thanks




>>>-----Original Message-----
>>>From: Alexei_Roudnev [mailto:Alexei_Roudnev@(protected)]
>>>Sent: Tuesday, August 30, 2005 3:08 PM
>>>To: Magni Fabrizio; Gil; suse-oracle@(protected)
>>>Subject: Re: [suse-oracle] RMAN backup to NFS
>>>
>>>Which is CRAZY requirement because:
>>>- you should never mount HARD, only HARD,INTR. Else, you
>>>will likely have a totally frozen server;
>>>- if I archive logs to remote place, I may wanmt 'soft'
>>>mount (if it is not primary place for archive logs);
>>>- etc etc...
>>>
>>>In reality, this (below) is requirement for database file,
>>>it should not be applied to archive logs and backups.
>>>
>>>
>>>
>>>----- Original Message -----
>>>From: "Magni Fabrizio" <Fabrizio.Magni@(protected)>
>>>To: "Gil" <ei00091@(protected)>
>>>Sent: Tuesday, August 30, 2005 2:20 PM
>>>Subject: RE: [suse-oracle] RMAN backup to NFS
>>>
>>>
>>>Hi Gil,
>>>Oracle requires that several options are specified for a mounted NFS.
>>>
>>>The list can be found here:
>>>http://download-uk.oracle.com/docs/cd/B19306_01/install.102/b
>>>15660/app_n
>>>as.htm#BCFEAHIC
>>>
>>>As you can read several are mandatory: hard, rsize, wsize, actime=0.
>>>I suggest even to use TCP, and nfsvers=3.
>>>
>>>(Actually I don't like hard since can freeze a process in D state).
>>>
>>>Regards
>>>Fabrizio
>>>
>>>> -----Original Message-----
>>>> From: Gil [mailto:ei00091@(protected)]
>>>> Sent: Tuesday, August 30, 2005 8:34 PM
>>>> To: suse-oracle@(protected)
>>>> Subject: [suse-oracle] RMAN backup to NFS
>>>>
>>>>
>>>> Hi all,
>>>>
>>>> I am trying to make the backups form my RAC throw a NFS mount.
>>>>
>>>> However, when I execute the command:
>>>>
>>>> BACKUP INCREMENTAL LEVEL 1 FOR RECOVER OF COPY WITH TAG
>>>> '7dSliceA' DATABASE;
>>>>
>>>> I get the following message:
>>>>
>>>> ORA-19504: failed to create file "/opt/oracle/backups/feup/data_D"
>>>> ORA-27054: NFS file system where the file is created or
>>>> resides is not
>>>> mounted with correct options
>>>> Additional information: 3
>>>>
>>>> Anyone knows what's going on?
>>>>
>>>> Thanks,
>>>>   Gil
>>>>
>>>>
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>>>> Please see http://www.suse.com/oracle/ before posting
>>>>
>>>>
>>>
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>>>Please see http://www.suse.com/oracle/ before posting
>>>
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>>>
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>>>
>>>

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