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bpimagelist returns with the "start time" of the image.
The image name contains the ctime of the start of the image.
Because of these reasons, I believe that "Freq is measured when the backup =
STARTS if you are using Freq based scheduling."
But I have no proof and I have read conflicting posts from users using =
different versions of Netbackup.=20
=20
Again I ask for documentation from:
OpenVision
VERITAS Software
symantec
=20
So, is it midnight on the first stoke of midnight or the last stroke of =
midnight?
I have been looking for said "official" documentation for almost a decade.
=20
=20
=20
=20
>>> Steve <nbu.admin AT gmail DOT com> 5/18/2006 9:08 AM >>>
Sorry, I had the INTERVAL and FREQ parts backwards and it was not very =
clear. The write-up below may make more sense:
Freq is measured when the backup ends if you are using Freq based =
scheduling. If you are using Interval mode scheduling when the backup ends =
does not matter. Its a bit confusing but as everyone knows there are only =
2 types of schedules, calendar and freq. But if you chose freq based =
schedules then bpsched has 2 processing modes it can use and that is freq =
and interval. Here are a few snips from a verbose bpsched that shows =
this.=20
06:03:03 [2116.2240] <4> in_interval_mode: IN INTERVAL MODE
.....
15:31:26 [1820.1800] <4> in_interval_mode: NOT INTERVAL MODE -- not an =
integral number of days
15:31:26 [1820.1800] <4> backup_due: using frequency-only mode
Hope that helps
Steve
=20
On 5/18/06, Steve <nbu.admin AT gmail DOT com> wrote: I hate to send this out 3
=
times in a row but it does address the question. I hate to send this out 3 =
times in a row but it does address the question. Freq ONLY depends on when =
the backup ends for INTERVAL based schedules. This is what used to cause =
sliding windows of old. Freq based Freq schedules do not care when the =
backup last finished.=20
Below is a small write-up concerning the 2 processing types that NBU uses =
for Freq. based schedules. Freq based schedules can use either Freq or =
Interval mode depending on the Interval setting that is chosen.
Frequency based Sched vs Interval
Interval =3D 24 hour frequency(24 hours, 1 day, 7days ect.)
Frequency =3D Any non-24 hour frequency (12 hours, 27, hours 80 hours =
ect.)
If Interval mode scheduling is used the time of the backup is calculated =
from when the windows was initially open. So if the window opens for a =
class-sched at 8pm on a Monday and the frequency is 24 hours but the =
backup does not start until Midnight the job will be available to run at =
8pm the next day. But if the sched was setup to run every 26 hours then =
that same job would not be available to run until 2am the next day. Hope =
that helps
Steve
=20
On 5/18/06, Bob Stump <stumpb AT michigan DOT gov > wrote:=20
"frequency is measured from when the backup ends"
=20
Will someone please provide me the documentation that states this?
I have been looking for it for literally YEARS...
=20
=20
=20
=20
=20
>>> "Tristan Ball" <Tristan.Ball AT vsl.com DOT au> 5/17/2006 10:07 PM >>>=20
=20
Yes - and be aware that the frequency is measured from when the backup =
ends!
=20
I use 5 days on my "weekly" backups, and 12 hours on my nightly's. :-)
=20
t.
=20
=20
---
Tristan Ball
System Administrator
Vision Systems
+61-3-9211-7064
=20
=20
From: veritas-bu-admin AT mailman.eng.auburn DOT edu [mailto:
veritas-bu-admin@mai=
lman.eng.auburn.edu] On Behalf Of Wilkinson, Tim
Sent: Thursday, 18 May 2006 10:48 AM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] 'Frequency' schedule type
=20
Hi,
=20
I'm trying to understand how this actually works as I think it works a =
little differently from how I thought it worked. We have a couple of =
polices that do a full backup weekly, with the frequency set to 1 week. =
However, the jobs didn't run on the weekend; there were no errors, they =
just didn't run.=20
The only reason I can think of this happening is the job falling outside =
of the start window. From what I've read, the frequency is the minimum =
amount of tim that must pass before the next schedule runs, which means =
that we should probably set the weekly jobs to having a frequency of 6 =
days to avoid it falling outside the start window. Would this be =
correct?=20
=20
Cheers,
=20
---------------------------------------------------------------------=20
Tim Wilkinson=20
I.T. Support Officer=20
Science Corporate Information Systems=20
Defence Science & Technology Organisation=20
Department of Defence=20
Tel: (02) 96921484=20
Fax: (02) 96921562=20
Email: tim.wilkinson AT dsto.defence.gov DOT au=20
=20
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Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Content-Description: HTML
<HTML><HEAD>
<META http-equiv=3DContent-Type content=3D"text/html; charset=3Diso-8859-1"=
>
<META content=3D"MSHTML 6.00.2900.2873" name=3DGENERATOR></HEAD>
<BODY style=3D"MARGIN: 4px 4px 1px; FONT: 10pt Tahoma">
<DIV>bpimagelist returns with the "start time" of the image.</DIV>
<DIV>The image name contains the ctime of the start of the image.</DIV>
<DIV>Because of these reasons, I believe that "Freq is measured when the =
backup <U>STARTS </U>if you are using Freq based scheduling."</DIV>
<DIV>But I have no proof and I have read conflicting posts from users =
using different versions of Netbackup. </DIV>
<DIV> </DIV>
<DIV>Again I ask for documentation from:</DIV>
<DIV>OpenVision</DIV>
<DIV>VERITAS Software</DIV>
<DIV>symantec</DIV>
<DIV> </DIV>
<DIV>So, is it midnight on the first stoke of midnight or the last stroke =
of midnight?</DIV>
<DIV>I have been looking for said "official" documentation for almost a =
decade.</DIV>
<DIV> </DIV>
<DIV><BR> </DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV><BR>>>> Steve <nbu.admin AT gmail DOT com> 5/18/2006 9:08
AM =
>>><BR></DIV>
<DIV style=3D"COLOR: #000000">
<DIV>
<P>Sorry, I had the INTERVAL and FREQ parts backwards and it was not very =
clear. The write-up below may make more sense:</P>
<P>Freq is measured when the backup ends if you are using Freq based =
scheduling. If you are using Interval mode scheduling when the backup ends =
does not matter. Its a bit confusing but as everyone knows there are only =
2 types of schedules, calendar and freq. But if you chose freq based =
schedules then bpsched has 2 processing modes it can use and that is freq =
and interval. Here are a few snips from a verbose bpsched that shows this. =
<BR></P></DIV>
<DIV><FONT size=3D2>
<P>06:03:03 [2116.2240] <4> in_interval_mode: IN INTERVAL MODE</P>
<P>.....</P><FONT size=3D2>
<P>15:31:26 [1820.1800] <4> in_interval_mode: NOT INTERVAL MODE -- =
not an integral number of days<BR>15:31:26 [1820.1800] <4> backup_due=
: using frequency-only mode</P></FONT></FONT></DIV>
<DIV>Hope that helps</DIV>
<DIV>Steve<BR><BR> </DIV>
<DIV><SPAN class=3Dgmail_quote>On 5/18/06, <B class=3Dgmail_sendername>Stev=
e</B> <<A href=3D"mailto:nbu.admin AT gmail DOT com">nbu.admin AT gmail DOT
com</A>>=
; wrote:</SPAN>=20
<BLOCKQUOTE class=3Dgmail_quote style=3D"PADDING-LEFT: 1ex; MARGIN: 0px =
0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
<DIV>
<DIV>I hate to send this out 3 times in a row but it does address the =
question. I hate to send this out 3 times in a row but it does address the =
question. Freq ONLY depends on when the backup ends for INTERVAL based =
schedules. This is what used to cause sliding windows of old. Freq based =
Freq schedules do not care when the backup last finished. </DIV>
<P>Below is a small write-up concerning the 2 processing types that NBU =
uses for Freq. based schedules. Freq based schedules can use either Freq =
or Interval mode depending on the Interval setting that is chosen.</P>
<P>Frequency based Sched vs Interval</P>
<P>Interval =3D 24 hour frequency(24 hours, 1 day, 7days ect.)</P>
<P>Frequency =3D Any non-24 hour frequency (12 hours, 27, hours 80 hours =
ect.)</P>
<P>If Interval mode scheduling is used the time of the backup is calculated=
from when the windows was initially open. So if the window opens for a =
class-sched at 8pm on a Monday and the frequency is 24 hours but the =
backup does not start until Midnight the job will be available to run at =
8pm the next day. But if the sched was setup to run every 26 hours then =
that same job would not be available to run until 2am the next day. </P>
<DIV>Hope that helps</DIV></DIV>
<DIV><SPAN class=3Dsg>
<DIV>Steve<BR> </DIV></SPAN></DIV>
<DIV><SPAN class=3De id=3Dq_10b4792e76b41240_2>
<DIV><SPAN class=3Dgmail_quote>On 5/18/06, <B class=3Dgmail_sendername>Bob =
Stump</B> <<A onclick=3D"return top.js.OpenExtLink(window,event,this)" =
href=3D"mailto:stumpb AT michigan DOT gov" target=3D_blank>stumpb AT michigan
DOT gov</A>=
> wrote:</SPAN>=20
<BLOCKQUOTE class=3Dgmail_quote style=3D"PADDING-LEFT: 1ex; MARGIN: 0px =
0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
<DIV>
<DIV style=3D"MARGIN: 4px 4px 1px; FONT: 10pt Tahoma"></DIV>
<DIV><SPAN>
<DIV><FONT face=3DArial color=3D#0000ff>"frequency is measured from when =
the backup ends"</FONT></DIV>
<DIV><FONT face=3DArial color=3D#0000ff></FONT> </DIV></SPAN></DIV>
<DIV>
<DIV><FONT face=3DArial color=3D#0000ff>Will someone please provide me the =
documentation that states this?</FONT></DIV>
<DIV><FONT face=3DArial color=3D#0000ff>I have been looking for it for =
literally YEARS...</FONT></DIV>
<DIV><FONT face=3DArial color=3D#0000ff></FONT> </DIV>
<DIV><FONT face=3DArial color=3D#0000ff></FONT> </DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV><BR><BR>>>> "Tristan Ball" <<A onclick=3D"return =
top.js.OpenExtLink(window,event,this)" href=3D"mailto:Tristan.Ball AT vsl DOT
com.=
au" target=3D_blank>Tristan.Ball AT vsl.com DOT au</A>> 5/17/2006 10:07 PM =
>>> <BR> </DIV></DIV>
<DIV><SPAN>
<DIV style=3D"COLOR: #000000">
<DIV dir=3Dltr align=3Dleft><SPAN><FONT face=3DArial color=3D#0000ff =
size=3D2>Yes - and be aware that the frequency is measured from when the =
backup ends!</FONT></SPAN></DIV>
<DIV dir=3Dltr align=3Dleft><SPAN><FONT face=3DArial color=3D#0000ff =
size=3D2></FONT></SPAN> </DIV>
<DIV dir=3Dltr align=3Dleft><SPAN><FONT face=3DArial color=3D#0000ff =
size=3D2>I use 5 days on my "weekly" backups, and 12 hours on my nightly's.=
:-)</FONT></SPAN></DIV>
<DIV dir=3Dltr align=3Dleft><SPAN><FONT face=3DArial color=3D#0000ff =
size=3D2></FONT></SPAN> </DIV>
<DIV dir=3Dltr align=3Dleft><SPAN><FONT face=3DArial color=3D#0000ff =
size=3D2>t.</FONT></SPAN></DIV>
<DIV> </DIV>
<DIV align=3Dleft><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV align=3Dleft><FONT face=3DArial size=3D2>---</FONT></DIV>
<DIV align=3Dleft><FONT face=3DArial size=3D2>Tristan Ball</FONT></DIV>
<DIV align=3Dleft><FONT face=3DArial size=3D2>System Administrator</FONT></=
DIV>
<DIV align=3Dleft><FONT face=3DArial size=3D2>Vision Systems</FONT></DIV>
<DIV align=3Dleft><FONT face=3DArial size=3D2>+61-3-9211-7064</FONT></DIV>
<DIV align=3Dleft><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV> </DIV><BR>
<DIV lang=3Den-us dir=3Dltr align=3Dleft>
<HR>
<FONT face=3DTahoma size=3D2><B>From:</B> <A onclick=3D"return top.js.OpenE=
xtLink(window,event,this)" href=3D"mailto:veritas-bu-admin AT mailman.eng DOT
aubu=
rn.edu" target=3D_blank>veritas-bu-admin AT mailman.eng.auburn DOT edu</A> =
[mailto: <A onclick=3D"return top.js.OpenExtLink(window,event,this)" =
href=3D"mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu"
target=3D_blank>ver=
itas-bu-admin AT mailman.eng.auburn DOT edu</A>] <B>On Behalf Of </B>Wilkinson,
=
Tim<BR><B>Sent:</B> Thursday, 18 May 2006 10:48 AM<BR><B>To:</B> <A =
onclick=3D"return top.js.OpenExtLink(window,event,this)" href=3D"mailto:ver=
itas-bu AT mailman.eng.auburn DOT edu" target=3D_blank>veritas-bu AT
mailman.eng DOT aubu=
rn.edu</A><BR><B>Subject:</B> [Veritas-bu] 'Frequency' schedule type<BR></F=
ONT><BR> </DIV>
<DIV></DIV>
<DIV><SPAN><FONT face=3DArial size=3D2>Hi,</FONT></SPAN></DIV>
<DIV><SPAN><FONT face=3DArial size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN><FONT face=3DArial size=3D2>I'm trying to understand how this =
actually works as I think it works a little differently from how I thought =
it worked. We have a couple of polices that do a full backup weekly, with =
the frequency set to 1 week. However, the jobs didn't run on the weekend; =
there were no errors, they just didn't run. </FONT></SPAN></DIV>
<DIV><SPAN><FONT face=3DArial size=3D2>The only reason I can think of this =
happening is the job falling outside of the start window. From what I've =
read, the frequency is the minimum amount of tim that must pass before the =
next schedule runs, which means that we should probably set the weekly =
jobs to having a frequency of 6 days to avoid it falling outside the start =
window. Would this be correct? </FONT></SPAN></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV align=3Dleft><SPAN></SPAN><FONT face=3DArial><FONT size=3D2>C<SPAN>hee=
rs,</SPAN></FONT></FONT><BR><BR> </DIV>
<UL>
<P><FONT face=3DArial size=3D2>--------------------------------------------=
-------------------------</FONT> <BR><FONT face=3DArial size=3D2>Tim =
Wilkinson</FONT> <BR><FONT face=3DArial size=3D2>I.T. Support Officer</FONT=
> <BR><FONT face=3DArial size=3D2>Science Corporate Information Systems</FO=
NT> <BR><FONT face=3DArial size=3D2>Defence Science & Technology =
Organisation</FONT> <BR><FONT face=3DArial size=3D2>Department of =
Defence</FONT> </P>
<P><FONT face=3DArial size=3D2>Tel: (02) 96921484</FONT> <BR><FONT =
face=3DArial size=3D2>Fax: (02) 96921562</FONT> <BR><FONT face=3DArial =
size=3D2>Email:<U></U></FONT><U></U><U> <FONT face=3D"Times New Roman" =
color=3D#0000ff><A onclick=3D"return top.js.OpenExtLink(window,event,this)"=
href=3D"mailto:tim.wilkinson AT dsto.defence.gov DOT au"
target=3D_blank>tim.wilk=
inson AT dsto.defence.gov DOT au</A></FONT></U> </P><BR></UL>
<DIV> </DIV></DIV></SPAN></DIV>
<DIV></DIV></DIV></BLOCKQUOTE></DIV><BR></SPAN></DIV></BLOCKQUOTE></DIV><BR=
></DIV></BODY></HTML>
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