[Veritas-bu] slow restoration on clone volume

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Hello Song

This is just a wild guess. I first assume that there were no reported =
errors on the restore. How much data did the restore say that it =
restored.?

My wonder is if the files that were backed up had a huge number of =
blocks with contents of zeros. Then perhaps on restore netbackup created =
a sparse file.=20

len
  ----- Original Message -----=20
  From: Song=20
  To: veritas-bu AT mailman.eng.auburn DOT edu=20
  Cc: song_1977 AT yahoo DOT com=20
  Sent: Thursday, February 03, 2005 8:36 AM
  Subject: [Veritas-bu] slow restoration on clone volume


  Hi all,

  I facing slow restoration for clone volume, below is my configuration.

  - Netbackup 5.0(MP3)
  - L25 library with 2 HP LTO drives
  - EMC snap clone (clone oracle database & application database)
  - Mount the clone volume on master server to perform backup.

  Backup was completed in 2hrs (110GB for oracle clone volume) and 13min =
(11GB application clone volume) clone volume. I remove all the data in =
both clone volume and perform full restoration, suprisingly after almost =
4hrs only restore about 5GB.

  Any idea what going on?

  Thanks.

  -Song
  __________________________________________________
  Do You Yahoo!?
  Tired of spam? Yahoo! Mail has the best spam protection around=20
  http://mail.yahoo.com=20

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<META http-equiv=3DContent-Type content=3D"text/html; =
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<STYLE></STYLE>
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<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>Hello Song</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>This is just a wild guess. I first =
assume that=20
there were no reported errors on the restore. How much data did the =
restore say=20
that it restored.?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>My wonder is if the files that were =
backed up had a=20
huge number of blocks with contents of zeros. Then perhaps on restore =
netbackup=20
created a sparse file. </FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>len</FONT></DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
  <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
  <DIV=20
  style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
  <A title=3Dsong_1977 AT yahoo DOT com =
href=3D"mailto:song_1977 AT yahoo DOT com">Song</A> </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A=20
  title=3Dveritas-bu AT mailman.eng.auburn DOT edu=20
  =
href=3D"mailto:veritas-bu AT mailman.eng.auburn DOT edu">veritas-bu AT mailman 
DOT eng.=
auburn.edu</A>=20
  </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Cc:</B> <A =
title=3Dsong_1977 AT yahoo DOT com=20
  href=3D"mailto:song_1977 AT yahoo DOT com">song_1977 AT yahoo DOT com</A> 
</DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Thursday, February 03, =
2005 8:36=20
  AM</DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> [Veritas-bu] slow =
restoration on=20
  clone volume</DIV>
  <DIV><BR></DIV>
  <DIV>Hi all,</DIV>
  <DIV>&nbsp;</DIV>
  <DIV>I facing slow restoration for clone volume, below is my=20
  configuration.</DIV>
  <DIV>&nbsp;</DIV>
  <DIV>- Netbackup 5.0(MP3)</DIV>
  <DIV>- L25 library with 2 HP LTO drives</DIV>
  <DIV>- EMC snap clone (clone oracle database &amp; application =
database)</DIV>
  <DIV>- Mount the clone volume on master server to perform =
backup.</DIV>
  <DIV>&nbsp;</DIV>
  <DIV>Backup was completed in 2hrs (110GB for oracle clone volume) and =
13min=20
  (11GB application clone volume) clone volume. I remove all the data in =
both=20
  clone volume and perform full restoration, suprisingly after almost =
4hrs only=20
  restore about 5GB.</DIV>
  <DIV>&nbsp;</DIV>
  <DIV>Any idea what going on?</DIV>
  <DIV>&nbsp;</DIV>
  <DIV>Thanks.</DIV>
  <DIV>&nbsp;</DIV>
  <DIV>-Song</DIV>
  <P>__________________________________________________<BR>Do You=20
  Yahoo!?<BR>Tired of spam? Yahoo! Mail has the best spam protection =
around=20
  <BR>http://mail.yahoo.com </P></BLOCKQUOTE></BODY></HTML>

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