Arch log file sizes do vary depending on when the file was archived. This can happen due to someone issuing an 'alter system switch logfile' or log_checkpoint_interval init parameter. The point is that arch is as lazy as the rest of the background processes and isn't going to write any more than it has to. Dick Goulet Senior Oracle DBA PAREXEL International 978.313.3426 information transmitted in this communication is intended only for the person or entity to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipient is prohibited. If you received this in error, please destroy any copies, contact the sender and delete the material from any computer. ________________________________ From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Prabhu, Krishnaswamy Sent: Wednesday, November 12, 2008 9:56 AM To: joel.patterson@xxxxxxxxxxx; gnahmed.c@xxxxxxxxxx; oracle-l@xxxxxxxxxxxxx Subject: RE: Arch log files sizes Sorry for the typo...i mean Oracle release 10.2.0.4 instances.. Thanks Prabhu ________________________________ Subject: RE: Arch log files sizes Date: Wed, 12 Nov 2008 08:19:25 -0500 From: Joel.Patterson@xxxxxxxxxxx To: gnahmed.c@xxxxxxxxxx; prabhu_adam@xxxxxxxxxxx; oracle-l@xxxxxxxxxxxxx You sure he didn't mean 10.2.0.4 instances? Joel Patterson Database Administrator joel.patterson@xxxxxxxxxxx x72546 904 727-2546 ________________________________ From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Nizar Ahmed Sent: Wednesday, November 12, 2008 5:25 AM To: prabhu_adam@xxxxxxxxxxx; oracle-l@xxxxxxxxxxxxx Subject: RE: Arch log files sizes Something's is not right here. 10204 instances - that's fat-fetched. G. Nizar A. Baig ________________________________ From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Prabhu, Krishnaswamy Sent: Wednesday, November 12, 2008 9:33 AM To: oracle-l@xxxxxxxxxxxxx Subject: Arch log files sizes List, We are running 10204 instances, recently the arch log destination got filled up 100% and we noticed few arch logs files sizes are varying, the sizes are twice larger than the average file size, archive_lag_target is set to 0. Can anyone please throw more insight on this. Thanks Prabhu ________________________________ Team India gets set to thwart Australia's quest for the final frontier. Catch the action on MSN Try it now! <http://sports.in.msn.com/> ----------------------------------------- Disclaimer: The information in this email and in any files transmitted with it, is intended only for the addressee and may contain confidential and/or privileged material. Access to this email by anyone else is unauthorized. If you receive this in error, please contact the sender immediately and delete the material from any computer. If you are not the intended recipient, any disclosure, copying, distribution or any action taken or omitted to be taken in reliance on it, is strictly prohibited. Statement and opinions expressed in this e-mail are those of the sender, and do not necessarily reflect those of STC. ________________________________ Give the world a slice of your life. Get a Live.in id Check it out! <https://signup.live.com/signup.aspx?mkt=en-in&rollrs=12&lic=1>