Veritas-bu

[Veritas-bu] LTO2 backup speed just up to 5 MB/sec under

2004-03-16 20:58:33
Subject: [Veritas-bu] LTO2 backup speed just up to 5 MB/sec under
From: sjacobso AT novell DOT com (Scott Jacobson)
Date: Tue, 16 Mar 2004 18:58:33 -0700
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I apologize if this question has been answered on this excellent thread.
 I believe the below is for Sol 9.
 
Which, if any, of the below settings can be applied to Linux (obviously
a different syntax command set and file location)
 
I've seen and have all the links I need to the "Veritas" tunning docs
on their WEB, however, I'm looking for someone that has been there done
that and can say under Linux 2.1 running as a dedicated Media Server;
here are setting's that give us the best performance.
 
There is a least someone ... no?  If not , I'll invent the wheel and
pass on what I find out.
 
Thanks,
Scott

>>> K Chapman <tech2187 AT yahoo DOT com> 3/15/2004 9:49:18 AM >>>

we use the following in etc-system:
* Message queues
set msgsys:msginfo_msgmap=512
set msgsys:msginfo_msgmax=8192
set msgsys:msginfo_msgmnb=65536
set msgsys:msginfo_msgmni=256
set msgsys:msginfo_msgssz=16
set msgsys:msginfo_msgtql=1024
set msgsys:msginfo_msgseg=8192
* Semaphores
set semsys:seminfo_semmap=64
set semsys:seminfo_semmni=1024
set semsys:seminfo_semmns=1024
set semsys:seminfo_semmnu=1024
set semsys:seminfo_semmsl=300
set semsys:seminfo_semopm=32
set semsys:seminfo_semume=64
* Shared memory
set shmsys:shminfo_shmmax=4294967295
set shmsys:shminfo_shmmin=1
set shmsys:shminfo_shmmni=65535
set shmsys:shminfo_shmseg=200
* END NetBackup recommended minimum settings
 
some params are no longer valid for sol9...  im quite interested in
what others have set for FC lto2 drives for NUMBER_DATA_BUFFERS and
SIZE_DATA_BUFFERS.
i also do some tweaks with /dev/udp and /dev/tcp (ie, changing window
sizes etc..)


aaarrrggghhh!!!!
FreeBSD rocks
Do you Yahoo!?
Yahoo! Mail - More reliable, more storage, less spam

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>
<META content=3D"MSHTML 6.00.2800.1400" name=3DGENERATOR></HEAD>
<BODY style=3D"MARGIN: 4px 4px 1px; FONT: 10pt MS Sans Serif">
<DIV>I apologize if this question has been answered on this excellent =
thread.&nbsp; I believe the below is for Sol 9.</DIV>
<DIV>&nbsp;</DIV>
<DIV>Which, if any,&nbsp;of the below settings can be applied to Linux =
(obviously a different syntax command set and file location)</DIV>
<DIV>&nbsp;</DIV>
<DIV>I've seen and have all the links I need to the "Veritas" tunning docs =
on their WEB, however, I'm looking for someone&nbsp;that has been there =
done that and can say under Linux 2.1 running as a dedicated Media Server; =
here are setting's that give us the best performance.</DIV>
<DIV>&nbsp;</DIV>
<DIV>There is a least someone ... no?&nbsp; If not , I'll invent the wheel =
and pass on what I find out.</DIV>
<DIV>&nbsp;</DIV>
<DIV>Thanks,</DIV>
<DIV>Scott</DIV>
<DIV><BR>&gt;&gt;&gt; K Chapman &lt;tech2187 AT yahoo DOT com&gt; 3/15/2004 =
9:49:18 AM &gt;&gt;&gt;<BR></DIV>
<DIV style=3D"COLOR: #000000">
<DIV>we use the following in etc-system:</DIV>
<DIV>* Message queues<BR>set msgsys:msginfo_msgmap=3D512<BR>set msgsys:msgi=
nfo_msgmax=3D8192<BR>set msgsys:msginfo_msgmnb=3D65536<BR>set msgsys:msginf=
o_msgmni=3D256<BR>set msgsys:msginfo_msgssz=3D16<BR>set msgsys:msginfo_msgt=
ql=3D1024<BR>set msgsys:msginfo_msgseg=3D8192</DIV>
<DIV>* Semaphores<BR>set semsys:seminfo_semmap=3D64<BR>set semsys:seminfo_s=
emmni=3D1024<BR>set semsys:seminfo_semmns=3D1024<BR>set semsys:seminfo_semm=
nu=3D1024<BR>set semsys:seminfo_semmsl=3D300<BR>set semsys:seminfo_semopm=
=3D32<BR>set semsys:seminfo_semume=3D64</DIV>
<DIV>* Shared memory<BR>set shmsys:shminfo_shmmax=3D4294967295<BR>set =
shmsys:shminfo_shmmin=3D1<BR>set shmsys:shminfo_shmmni=3D65535<BR>set =
shmsys:shminfo_shmseg=3D200</DIV>
<DIV>* END NetBackup recommended minimum settings</DIV>
<DIV>&nbsp;</DIV>
<DIV>some params are no longer valid for sol9...&nbsp; im quite interested =
in what others have set for FC lto2 drives for NUMBER_DATA_BUFFERS and =
SIZE_DATA_BUFFERS.</DIV>
<DIV>i also do some tweaks with /dev/udp and /dev/tcp (ie, changing window =
sizes etc..)</DIV><BR><BR>aaarrrggghhh!!!!<BR>FreeBSD rocks
<P><FONT face=3Darial size=3D-1>Do you Yahoo!?<BR><A href=3D"http://us.rd.y=
ahoo.com/mailtag_us/*http://mail.yahoo.com"; target=3D_blank><B>Yahoo! =
Mail</A></B> - More reliable, more storage, less spam</FONT></P></DIV></BOD=
Y></HTML>

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