Couldn't have said better. Actually there is another choice. Redefine 24x7. Get creative and show planned downtime as part of available time and include downtime as only unplanned downtime. Bingo - 24x7 Rajendra Pande 1000 Harbor Blvd ITI Infrastructure Ph - 201 352 1415 (19 422 1415) Pager - 1 201 718 0176 -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of August Spier Sent: Saturday, December 16, 2006 10:38 AM To: drp4kri@xxxxxxxxx Cc: oracle-l Subject: Re: Oracle 24x7 shops and Patches-Upgrades. Dhimat, Eventually the end user will realize that there are three choices: good, fast, and cheap. He gets to pick only two. The moral is: if you want 24X7 and five nines reliability, you need redundant hardware and network. No exceptions. r, Gus On Dec 16, 2006, at 9:22 AM, Dhimant Patel wrote: > Hi Gurus, > > > This seems very common issue but I am confronted with a requirement > where we need to have 24x7 availability, no exceptions. > There is no way we can have staging server (for patch testing > before deploying on the production.) and we need to accommodate > software upgrades without a planned downtime. > > > I'm also wondering how shops having 24x7 availability addresses > such issues? > > Since I'm focused solely on Oracle, I'm not aware if any database > server allow patching/upgrading without bringing down the server? > Is any mainstream database server offer such solution? > > > > > Thanks, > DP. -- //www.freelists.org/webpage/oracle-l Please do not transmit orders or instructions regarding a UBS account by e-mail. The information provided in this e-mail or any attachments is not an official transaction confirmation or account statement. For your protection, do not include account numbers, Social Security numbers, credit card numbers, passwords or other non-public information in your e-mail. Because the information contained in this message may be privileged, confidential, proprietary or otherwise protected from disclosure, please notify us immediately by replying to this message and deleting it from your computer if you have received this communication in error. Thank you. UBS Financial Services Inc. UBS International Inc. -- //www.freelists.org/webpage/oracle-l