Veritas-bu

[Veritas-bu] allow mutiple retention

2002-12-03 10:59:10
Subject: [Veritas-bu] allow mutiple retention
From: Mark.Donaldson AT experianems DOT com (Donaldson, Mark)
Date: Tue, 3 Dec 2002 08:59:10 -0700
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It's a feature that allows you to put images with differing retentions on a
single tape.  Normally NB will group similar retentions together.  

The default method, single-retention per tape, is preferred IMHO.  A tape is
not reusable until every image on that tape completes its retention period.
If you're running mixed retentions, then one long-retention image will
"lock" that tape from reuse until it expires, even if every other image on
that tape expired months ago.

By grouping retentions, the shorter retention tapes will not be locked from
reuse by a stray long-term image.

I'd only recommend allowing multiple retentions per media if you're using a
tape stacker or other non-library like device.

$.02
-Mark

-----Original Message-----
From: patrick kuah [mailto:patrickkuah AT msn DOT com]
Sent: Tuesday, December 03, 2002 7:47 AM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] allow mutiple retention


Hi,

I using Netbackup 4.5 Nt/2000, i wish to know more on this feature
"allow mutiple retention period"

thanks





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<P><FONT SIZE=3D2>It's a feature that allows you to put images with =
differing retentions on a single tape.&nbsp; Normally NB will group =
similar retentions together.&nbsp; </FONT></P>

<P><FONT SIZE=3D2>The default method, single-retention per tape, is =
preferred IMHO.&nbsp; A tape is not reusable until every image on that =
tape completes its retention period.&nbsp; If you're running mixed =
retentions, then one long-retention image will &quot;lock&quot; that =
tape from reuse until it expires, even if every other image on that =
tape expired months ago.</FONT></P>

<P><FONT SIZE=3D2>By grouping retentions, the shorter retention tapes =
will not be locked from reuse by a stray long-term image.</FONT>
</P>

<P><FONT SIZE=3D2>I'd only recommend allowing multiple retentions per =
media if you're using a tape stacker or other non-library like =
device.</FONT></P>

<P><FONT SIZE=3D2>$.02</FONT>
<BR><FONT SIZE=3D2>-Mark</FONT>
</P>

<P><FONT SIZE=3D2>-----Original Message-----</FONT>
<BR><FONT SIZE=3D2>From: patrick kuah [<A =
HREF=3D"mailto:patrickkuah AT msn DOT com">mailto:patrickkuah AT msn DOT 
com</A>]</FON=
T>
<BR><FONT SIZE=3D2>Sent: Tuesday, December 03, 2002 7:47 AM</FONT>
<BR><FONT SIZE=3D2>To: veritas-bu AT mailman.eng.auburn DOT edu</FONT>
<BR><FONT SIZE=3D2>Subject: [Veritas-bu] allow mutiple retention</FONT>
</P>
<BR>

<P><FONT SIZE=3D2>Hi,</FONT>
</P>

<P><FONT SIZE=3D2>I using Netbackup 4.5 Nt/2000, i wish to know more on =
this feature</FONT>
<BR><FONT SIZE=3D2>&quot;allow mutiple retention period&quot;</FONT>
</P>

<P><FONT SIZE=3D2>thanks</FONT>
</P>
<BR>
<BR>
<BR>
<BR>

<P><FONT =
SIZE=3D2>_______________________________________________________________=
__</FONT>
<BR><FONT SIZE=3D2>MSN 8 with e-mail virus protection service: 2 months =
FREE* </FONT>
<BR><FONT SIZE=3D2><A =
HREF=3D"http://join.msn.com/?page=3Dfeatures/virus"; =
TARGET=3D"_blank">http://join.msn.com/?page=3Dfeatures/virus</A></FONT>
</P>

<P><FONT =
SIZE=3D2>_______________________________________________</FONT>
<BR><FONT SIZE=3D2>Veritas-bu maillist&nbsp; -&nbsp; =
Veritas-bu AT mailman.eng.auburn DOT edu</FONT>
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