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RE: 24 x 7 x 365

From: Goulet, Dick <DGoulet_at_vicr.com>
Date: Wed, 10 Dec 2003 13:49:34 -0800
Message-ID: <F001.005D975D.20031210134934@fatcity.com>


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True 24x365 is just about impossible. No if, ands. or buts about it. = Why is because of the number of factors outside your control that affect = system availability. Sure your web sever and database are up 24x365, = but your ISP has 1 hour down time each month for maintenance. OOPS!! = from a customer point of view your NOT 24x365. Also that fiber optic = cable running out of your building to the phone pole is available for = some heavy equipment operator to slice through while working on the = sewer system, OOPS!! So you can't have 24x365 no matter what. What you = should do is try to adapt the changes you need into the downtime that's = imposed on you. That's what we do & it works very nicely.
=20

Besides being completely redundant is extremely expensive, like two of = everything, including building, air-conditioning, fiber optic cables, = etc.............
=20

Dick Goulet
Senior Oracle DBA
Oracle Certified 8i DBA=20

-----Original Message-----
Sent: Wednesday, December 10, 2003 11:44 AM To: Multiple recipients of list ORACLE-L

Hello,=20
Our company would like to know whether or not Oracle supports true = 24x7x365 availability for an oltp database. We currently are using the = 8.1.7 enterprise edition. Does an architecture exist whereby we can = upgrade the database and/or operating system and not cause an outage? = Will RAC solve this issue? Are there any other areas of concerns that I = should be thinking about? For example, analyzing with the validate = clause and its impacts on the transaction system. Thanks=20

American Express made the following
annotations on 12/10/2003 09:41:15 AM

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"This message and any attachments are solely for the intended recipient = and may contain confidential or privileged information. If you are not = the intended recipient, any disclosure, copying, use, or distribution of = the information included in this message and any attachments is = prohibited. If you have received this communication in error, please = notify us by reply e-mail and immediately and permanently delete this = message and any attachments. Thank you."

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<DIV><SPAN class=3D191574021-10122003><FONT face=3DArial color=3D#0000ff =
size=3D2>True=20
24x365 is just about impossible.&nbsp; No if, ands. or buts about = it.&nbsp; Why=20
is because of the number of factors outside your control that affect = system=20
availability.&nbsp; Sure your web sever and database are up 24x365, but = your ISP=20
has 1 hour down time each month for maintenance.&nbsp; OOPS!!&nbsp; from = a=20
customer point of view your NOT 24x365.&nbsp; Also that fiber optic = cable=20
running out of your building to the phone pole is available for some = heavy=20
equipment operator to slice through while working on the sewer system,=20 OOPS!!&nbsp; So you can't have 24x365 no matter what.&nbsp; What you = should do=20
is try to adapt the changes you need into the downtime that's imposed on =

you.&nbsp; That's what we do &amp; it works very = nicely.</FONT></SPAN></DIV>
<DIV><SPAN class=3D191574021-10122003><FONT face=3DArial color=3D#0000ff =

size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D191574021-10122003><FONT face=3DArial color=3D#0000ff =

size=3D2>Besides being completely redundant is extremely expensive, like = two of=20
everything, including building, air-conditioning, fiber optic cables,=20 etc.............</FONT></SPAN></DIV>
<DIV>&nbsp;</DIV>
<P><FONT size=3D2>Dick Goulet<BR>Senior Oracle DBA<BR>Oracle Certified = 8i=20
DBA</FONT> </P>
<BLOCKQUOTE dir=3Dltr style=3D"MARGIN-RIGHT: 0px">   <DIV class=3DOutlookMessageHeader dir=3Dltr align=3Dleft><FONT = face=3DTahoma=20
  size=3D2>-----Original Message-----<BR><B>From:</B> Tracy Rahmlow=20   [mailto:tracy.rahmlow_at_aexp.com]<BR><B>Sent:</B> Wednesday, December = 10, 2003=20
  11:44 AM<BR><B>To:</B> Multiple recipients of list = ORACLE-L<BR><B>Subject:</B>=20
  24 x 7 x 365<BR><BR></FONT></DIV><BR><FONT face=3Dsans-serif=20   size=3D2>Hello,</FONT> <BR><FONT face=3Dsans-serif size=3D2>Our = company would like=20
  to know whether or not Oracle supports true 24x7x365 availability for = an oltp=20
  database. &nbsp;We currently are using the 8.1.7 enterprise edition.=20   &nbsp;Does an architecture exist whereby we can upgrade the database = and/or=20
  operating system and not cause an outage? &nbsp;Will RAC solve this = issue?=20
  &nbsp;Are there any other areas of concerns that I should be thinking = about?=20
  &nbsp;For example, analyzing with the validate clause and its impacts = on the=20
  transaction system. &nbsp;Thanks</FONT>=20   <P>American Express made the following<BR>annotations on 12/10/2003 = 09:41:15=20
  =

AM<BR>-------------------------------------------------------------------=
-----------<BR>**********************************************************=
********************<BR><BR>"This=20

  message and any attachments are solely for the intended recipient and = may=20
  contain confidential or privileged information. If you are not the = intended=20
  recipient, any disclosure, copying, use, or distribution of the = information=20
  included in this message and any attachments is prohibited. If you = have=20
  received this communication in error, please notify us by reply e-mail = and=20
  immediately and permanently delete this message and any attachments. = Thank=20
  =
you."<BR><BR>************************************************************=
******************<BR><BR><BR>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=

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>

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Author: Goulet, Dick
  INET: DGoulet_at_vicr.com

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Received on Wed Dec 10 2003 - 15:49:34 CST

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