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[Veritas-bu] Frequency vs. Calendar scheduling ?

2005-11-09 11:21:09
Subject: [Veritas-bu] Frequency vs. Calendar scheduling ?
From: Mike.Wright AT morganstanley DOT com (Wright, Mike (IT))
Date: Wed, 9 Nov 2005 16:21:09 -0000 
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The general rule I have always used is use Frequency wherever possible -
in the case of daily or weekly backups and only use Calendar where
specific days are required - usually monthly or yearly backups. With
Calendar based scheduling you can get some unintended duplicate backups
where the window spans days.
=20
With Frequency based scheduling either use a frequency multiple of 24
hours (e.g. 1 day) or set the frequency to be an hour longer than the
window is open. If you use anything else you run the risk of schedule
creep as a result of the wakeup interval being slightly longer or
shorter than the configured setting.
=20
Regards
=20
Mike Wright

Morgan Stanley

Data Protection Engineering

20 Cabot Square | Canary Wharf | London W14 4QW

Tel +44 207 6774728 | Mob +44 7921 777992

=20

________________________________

From: veritas-bu-admin AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu] On Behalf Of Piszcz,
Justin
Sent: 09 November 2005 15:18
To: WEAVER, Simon; Anthony Baldini; veritas-bu AT mailman.eng.auburn DOT edu
Subject: RE: [Veritas-bu] Frequency vs. Calendar scheduling ?



Frequency is easier to setup; however, Calendaring may give you more
flexibility if you need to run something "off schedule." It depends on
the application I suppose.

=20

________________________________

From: veritas-bu-admin AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu] On Behalf Of WEAVER,
Simon
Sent: Wednesday, November 09, 2005 9:56 AM
To: 'Anthony Baldini'; veritas-bu AT mailman.eng.auburn DOT edu
Subject: RE: [Veritas-bu] Frequency vs. Calendar scheduling ?

=20

With the Calendar you can schedule by Dates, recurring Week Days and
days of the month! You can even schedule a job up to 31st December
2037!!

=20

Veritas must think this version is going to last that long!!!! :-)

=20

=20

Simon Weaver
Technical Support
Windows Domain Administrator=20

EADS Astrium
Tel: 02392-708598=20

Email: Simon.Weaver AT Astrium.eads DOT net=20

        -----Original Message-----
        From: Anthony Baldini [mailto:Anthony.Baldini AT autodesk DOT com]=20
        Sent: 09 November 2005 14:43
        To: veritas-bu AT mailman.eng.auburn DOT edu
        Subject: [Veritas-bu] Frequency vs. Calendar scheduling ?

        What are the benefits/drawbacks of frequency and/or calendar
scheduling?
=09
        Anthony Baldini
        --------------------------
        Sent From a BlackBerry Wireless Handheld=20

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Please notify the sender by return email.
The views of the author may not necessarily constitute the views of EADS
Astrium Limited.
Nothing in this email shall bind EADS Astrium Limited in any contract or
obligation.

EADS Astrium Limited, Registered in England and Wales No. 2449259
Registered Office: Gunnels Wood Road, Stevenage, Hertfordshire, SG1 2AS,
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<DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D584181416-09112005><FONT =
face=3DArial=20
color=3D#0000ff size=3D2>The general rule I have always used is use =
Frequency=20
wherever possible - in the case of daily or weekly backups and only use =
Calendar=20
where specific days are required - usually monthly or yearly backups. =
With=20
Calendar based scheduling you can get some unintended duplicate backups =
where=20
the window spans days.</FONT></SPAN></DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D584181416-09112005><FONT =
face=3DArial=20
color=3D#0000ff size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D584181416-09112005><FONT =
face=3DArial=20
color=3D#0000ff size=3D2>With Frequency based scheduling either use a =
frequency=20
multiple of 24 hours (e.g. 1 day) or set the frequency to be an hour =
longer than=20
the window is open. If you use anything else you run the risk of =
schedule creep=20
as a result of the wakeup interval being slightly longer or shorter than =
the=20
configured setting.</FONT></SPAN></DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2></FONT>&nbsp;</DIV>
<DIV><SPAN class=3D584181416-09112005><FONT face=3DArial color=3D#0000ff =

size=3D2>Regards</FONT></SPAN></DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2></FONT>&nbsp;</DIV>
<DIV align=3Dleft><FONT face=3DArial size=3D2>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><B=20
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style=3D"FONT-FAMILY: Arial; mso-ansi-language: EN-GB"><FONT =
size=3D3>Mike=20
Wright<o:p></o:p></FONT></SPAN></U></B></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><B=20
style=3D"mso-bidi-font-weight: normal"><SPAN lang=3DEN-GB=20
style=3D"FONT-SIZE: 8pt; FONT-FAMILY: Arial; mso-ansi-language: =
EN-GB">Morgan=20
Stanley<o:p></o:p></SPAN></B></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><B=20
style=3D"mso-bidi-font-weight: normal"><SPAN lang=3DEN-GB=20
style=3D"FONT-SIZE: 8pt; FONT-FAMILY: Arial; mso-ansi-language: =
EN-GB">Data=20
Protection Engineering<o:p></o:p></SPAN></B></P>
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style=3D"FONT-SIZE: 8pt; FONT-FAMILY: Arial; mso-ansi-language: =
EN-GB">Tel +44 207=20
6774728 | Mob +44 7921 777992<o:p></o:p></SPAN></P></FONT></DIV>
<DIV>&nbsp;</DIV><BR>
<DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr align=3Dleft>
<HR tabIndex=3D-1>
<FONT face=3DTahoma size=3D2><B>From:</B> =
veritas-bu-admin AT mailman.eng.auburn DOT edu=20
[mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu] <B>On Behalf Of =
</B>Piszcz,=20
Justin<BR><B>Sent:</B> 09 November 2005 15:18<BR><B>To:</B> WEAVER, =
Simon;=20
Anthony Baldini; veritas-bu AT mailman.eng.auburn DOT edu<BR><B>Subject:</B> =
RE:=20
[Veritas-bu] Frequency vs. Calendar scheduling ?<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=3DSection1>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Frequency is =
easier to=20
setup; however, Calendaring may give you more flexibility if you need to =
run=20
something &#8220;off schedule.&#8221; It depends on the application I=20
suppose.<o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P>
<DIV>
<DIV class=3DMsoNormal style=3D"TEXT-ALIGN: center" align=3Dcenter><FONT =

face=3D"Times New Roman" size=3D3><SPAN style=3D"FONT-SIZE: 12pt">
<HR tabIndex=3D-1 align=3Dcenter width=3D"100%" SIZE=3D2>
</SPAN></FONT></DIV>
<P class=3DMsoNormal><B><FONT face=3DTahoma size=3D2><SPAN=20
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: =
Tahoma">From:</SPAN></FONT></B><FONT=20
face=3DTahoma size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Tahoma">=20
veritas-bu-admin AT mailman.eng.auburn DOT edu=20
[mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu] <B><SPAN=20
style=3D"FONT-WEIGHT: bold">On Behalf Of </SPAN></B>WEAVER, =
Simon<BR><B><SPAN=20
style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> Wednesday, November 09, =
2005 9:56=20
AM<BR><B><SPAN style=3D"FONT-WEIGHT: bold">To:</SPAN></B> 'Anthony =
Baldini';=20
veritas-bu AT mailman.eng.auburn DOT edu<BR><B><SPAN=20
style=3D"FONT-WEIGHT: bold">Subject:</SPAN></B> RE: [Veritas-bu] =
Frequency vs.=20
Calendar scheduling ?</SPAN></FONT><o:p></o:p></P></DIV>
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt"><o:p>&nbsp;</o:p></SPAN></FONT></P>
<DIV>
<P class=3DMsoNormal><FONT face=3DArial color=3Dblue size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">With the =
Calendar you=20
can schedule by Dates, recurring Week Days and days of the month! You =
can even=20
schedule a job up to 31st December =
2037!!</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3DArial color=3Dblue size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Veritas must =
think this=20
version is going to last that long!!!! =
:-)</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
<P><B><FONT face=3DArial color=3Dblue size=3D2><SPAN lang=3DEN-GB=20
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
Arial"><!-- Converted from text/rtf format -->Simon=20
Weaver</SPAN></FONT></B><FONT face=3DArial><SPAN lang=3DEN-GB=20
style=3D"FONT-FAMILY: Arial"><BR></SPAN></FONT><B><FONT face=3DArial =
color=3Dblue=20
size=3D2><SPAN lang=3DEN-GB=20
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
Arial">Technical=20
Support</SPAN></FONT></B><FONT face=3DArial><SPAN lang=3DEN-GB=20
style=3D"FONT-FAMILY: Arial"><BR></SPAN></FONT><B><FONT face=3DArial =
color=3Dblue=20
size=3D2><SPAN lang=3DEN-GB=20
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
Arial">Windows=20
Domain Administrator</SPAN></FONT></B><FONT face=3DArial><SPAN =
lang=3DEN-GB=20
style=3D"FONT-FAMILY: Arial"> </SPAN></FONT><o:p></o:p></P>
<P><B><I><FONT face=3DArial size=3D2><SPAN lang=3DEN-GB=20
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-STYLE: italic; =
FONT-FAMILY: Arial">EADS=20
Astrium</SPAN></FONT></I></B><FONT face=3DArial><SPAN lang=3DEN-GB=20
style=3D"FONT-FAMILY: Arial"><BR></SPAN></FONT><B><I><FONT face=3DArial =
size=3D2><SPAN=20
lang=3DEN-GB=20
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-STYLE: italic; =
FONT-FAMILY: Arial">Tel:=20
02392-708598</SPAN></FONT></I></B><FONT face=3DArial><SPAN lang=3DEN-GB=20
style=3D"FONT-FAMILY: Arial"> </SPAN></FONT><o:p></o:p></P>
<P><B><FONT face=3DArial color=3Dred size=3D2><SPAN lang=3DEN-GB=20
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: =
Arial">Email:=20
Simon.Weaver AT Astrium.eads DOT net</SPAN></FONT></B><FONT face=3DArial><SPAN =
lang=3DEN-GB=20
style=3D"FONT-FAMILY: Arial"> </SPAN></FONT><o:p></o:p></P>
<BLOCKQUOTE style=3D"MARGIN-TOP: 5pt; MARGIN-BOTTOM: 5pt; MARGIN-RIGHT: =
0in">
  <P class=3DMsoNormal style=3D"MARGIN-BOTTOM: 12pt"><FONT face=3DTahoma =
size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Original=20
  Message-----<BR><B><SPAN style=3D"FONT-WEIGHT: bold">From:</SPAN></B> =
Anthony=20
  Baldini [mailto:Anthony.Baldini AT autodesk DOT com] <BR><B><SPAN=20
  style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> 09 November 2005 =
14:43<BR><B><SPAN=20
  style=3D"FONT-WEIGHT: bold">To:</SPAN></B>=20
  veritas-bu AT mailman.eng.auburn DOT edu<BR><B><SPAN=20
  style=3D"FONT-WEIGHT: bold">Subject:</SPAN></B> [Veritas-bu] Frequency =
vs.=20
  Calendar scheduling ?</SPAN></FONT><o:p></o:p></P>
  <P><FONT face=3D"Times New Roman" size=3D2><SPAN style=3D"FONT-SIZE: =
10pt"><!-- Converted from text/plain format -->What are the=20
  benefits/drawbacks of frequency and/or calendar =
scheduling?<BR><BR>Anthony=20
  Baldini<BR>--------------------------<BR>Sent From a BlackBerry =
Wireless=20
  Handheld</SPAN></FONT> <o:p></o:p></P></BLOCKQUOTE></DIV>
<TABLE>
  <TBODY>
  <TR>
    <TD bgColor=3D#ffffff><FONT color=3D#000000>This email is for the =
intended=20
      addressee only.<BR>If you have received it in error then you must =
not use,=20
      retain, disseminate or otherwise deal with it.<BR>Please notify =
the sender=20
      by return email.<BR>The views of the author may not necessarily =
constitute=20
      the views of EADS Astrium Limited.<BR>Nothing in this email shall =
bind=20
      EADS Astrium Limited in any contract or obligation.<BR><BR>EADS =
Astrium=20
      Limited, Registered in England and Wales No. 2449259<BR>Registered =
Office:=20
      Gunnels Wood Road, Stevenage, Hertfordshire, SG1 2AS,=20
  England<BR></FONT></TD></TR></TBODY></TABLE></DIV>
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