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If this is a new installation, it points to one of your NICs being half
duplex. Check for multi-instance cards on SUN. It's easy to be wrong =
about
the instance number.
Jean Bagdoo
Hydro-Qu=E9bec
Administrateur de syst=E8me Unix=20
Centre de Conduite des T=E9l=E9communications
Expertise Bureautique et Environnement Sp=E9ciaux (EBES)
2, Complexe-Desjardins, Niveau B1
* Email : bagdoo.jean AT hydro.qc DOT ca <mailto:bagdoo.jean AT hydro.qc DOT
ca>=20
*(514) 289-2211 Poste 5276
*(514) 401-8807 Pagette
----------
De: Steve Mickeler [SMTP:steve AT neptune.on DOT ca]
Date d'envoi: mercredi 25 juillet 2001 12:37
A: veritas-bu AT mailman.eng.auburn DOT edu
Objet: [Veritas-bu] Netbackup - slow on 9840's
Ive been doing some searching on various netbackup performance
issues, but
I havent found anything usefull, so I will ask the list.
Im seeing slow backup times over my network. Everything is at
switched 100MB FD=20
ie: 8 hours to backup 70 GB of data
I have only 1 netbackup master server which has the robot attached
to it.
The robot is part of an HP tape silo with 10 DLT drives. From what I
can
tell, the drives are the STK 9840s.
The server is running Solaris 8 and netbackup 3.4.1
In st.conf it states:
# "STK 9840" Note
1
# Notes
# -----
# 1 Drive is configured automatically - no entry is needed in
st.conf.
Is this true, or should something be added in to increase
performance ?
I dont see any I/O wait on the servers being backed up, and the
iostat on
the master server shows the tape drive bandwidth at around anywhere
from
50-80 % used.
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
0.0 85.0 0.0 5354.9 0.0 0.7 0.0 8.4 0 71 rmt/0
Any suggestions as to a first place to look ?
Todays root password is brought to you by /dev/random
.-------------------------------------.
| Steve Mickeler * Network Operations |
+-------------------------------------+
| Neptune Internet Services |
`-------------------------------------'
1024D/ACB58D4F =3D 0227 164B D680 9E13 9168 AE28 843F 57D7 ACB5 8D4F
_______________________________________________
Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
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<TITLE>RE: [Veritas-bu] Netbackup - slow on 9840's</TITLE>
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<BODY>
<P><FONT SIZE=3D2 FACE=3D"Arial">If this is a new installation, it =
points to one of your NICs being half duplex. Check for =
multi-instance cards on SUN. It's easy to be wrong about the =
instance number.</FONT></P>
<P><B><FONT SIZE=3D4 FACE=3D"Arial">Jean Bagdoo</FONT></B>
<BR><B><I><FONT =
FACE=3D"Arial">Hydro-Qu=E9bec</FONT></I></B><B><I></I></B><B><I></I></B>=
<B><I></I></B>
<BR><FONT SIZE=3D2 FACE=3D"Arial">Administrateur de syst=E8me Unix =
</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">Centre de Conduite des =
T=E9l=E9communications</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">Expertise Bureautique et =
Environnement Sp=E9ciaux (EBES)</FONT>
<BR><FONT FACE=3D"Arial">2, Complexe-Desjardins, Niveau B1</FONT>
<BR><FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Wingdings">:</FONT><FONT =
COLOR=3D"#000080" SIZE=3D1 FACE=3D"Arial"> Email :</FONT> <A =
HREF=3D"mailto:bagdoo.jean AT hydro.qc DOT ca"><U><FONT COLOR=3D"#0000FF" =
SIZE=3D2 FACE=3D"Arial">bagdoo.jean AT hydro.qc DOT ca</FONT></U></A>
<BR><FONT FACE=3D"Wingdings">(</FONT><FONT SIZE=3D2 =
FACE=3D"Arial">(514) 289-2211 Poste 5276</FONT>
<BR><FONT FACE=3D"Wingdings">(</FONT><FONT SIZE=3D2 =
FACE=3D"Arial">(514) 401-8807 Pagette</FONT>
</P>
<BR>
<UL>
<P><A NAME=3D"_MailData"><FONT SIZE=3D1 FACE=3D"MS Sans =
Serif">----------</FONT></A>
<BR><FONT SIZE=3D1 FACE=3D"MS Sans Serif">De: Steve Mickeler =
[SMTP:steve AT neptune.on DOT ca]</FONT>
<BR><FONT SIZE=3D1 FACE=3D"MS Sans Serif">Date d'envoi: mercredi =
25 juillet 2001 12:37</FONT>
<BR><FONT SIZE=3D1 FACE=3D"MS Sans Serif">A: =
veritas-bu AT mailman.eng.auburn DOT edu</FONT>
<BR><FONT SIZE=3D1 FACE=3D"MS Sans Serif">Objet: [Veritas-bu] =
Netbackup - slow on 9840's</FONT><B></B><B></B>
</P>
<BR>
<P><FONT SIZE=3D2 FACE=3D"Arial">Ive been doing some searching on =
various netbackup performance issues, but</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">I havent found anything usefull, so I =
will ask the list.</FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial">Im seeing slow backup times over my =
network. Everything is at</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">switched 100MB FD </FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial">ie: 8 hours to backup 70 GB of =
data</FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial">I have only 1 netbackup master server =
which has the robot attached to it.</FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial">The robot is part of an HP tape silo =
with 10 DLT drives. From what I can</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">tell, the drives are the STK =
9840s.</FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial">The server is running Solaris 8 and =
netbackup 3.4.1</FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial">In st.conf it states:</FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial"># =
"STK =
9840" &n=
bsp; &n=
bsp; &n=
bsp; Note 1</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial"># Notes</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial"># -----</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial"># 1 Drive is =
configured automatically - no entry is needed in st.conf.</FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial">Is this true, or should something be =
added in to increase performance ?</FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial">I dont see any I/O wait on the servers =
being backed up, and the iostat on</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">the master server shows the tape =
drive bandwidth at around anywhere from</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">50-80 % used.</FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial"> r/s =
w/s kr/s kw/s wait actv wsvc_t asvc_t =
%w %b device</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial"> 0.0 =
85.0 0.0 5354.9 0.0 0.7 =
0.0 8.4 0 71 rmt/0</FONT>
</P>
<BR>
<P><FONT SIZE=3D2 FACE=3D"Arial">Any suggestions as to a first place to =
look ?</FONT>
</P>
<BR>
<BR>
<P><FONT SIZE=3D2 FACE=3D"Arial">Todays root password is brought to you =
by /dev/random</FONT>
</P>
<P><FONT SIZE=3D2 =
FACE=3D"Arial">.-------------------------------------.</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">| Steve Mickeler * Network Operations =
|</FONT>
<BR><FONT SIZE=3D2 =
FACE=3D"Arial">+-------------------------------------+</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">| Neptune =
Internet Services |</FONT>
<BR><FONT SIZE=3D2 =
FACE=3D"Arial">`-------------------------------------'</FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial">1024D/ACB58D4F =3D 0227 164B D680 9E13 =
9168 AE28 843F 57D7 ACB5 8D4F</FONT>
</P>
<BR>
<BR>
<P><FONT SIZE=3D2 =
FACE=3D"Arial">_______________________________________________</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">Veritas-bu maillist - =
Veritas-bu AT mailman.eng.auburn DOT edu</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial"><A =
HREF=3D"http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu"; =
TARGET=3D"_blank">http://mailman.eng.auburn.edu/mailman/listinfo/veritas=
-bu</A></FONT>
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