Question: Is there a quick procedure to recover a Windows 2000 NetBackup 3.4
Master Servers to and alternate standby Master Server in the event that you
loose the active Master Server without using cluster. This Master Server
operates in an SSO environments with a mixed of UNIX and Windows 2000/NT Media
Servers.
Linus
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Sent: Monday, March 01, 2004 12:08 PM
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Today's Topics:
1. Re; [Veritas-bu] 4.5 MP4 -Best method for migrate Master from
Solaris to Windows 2k (william.d.brown AT gsk DOT com)
2. DMZ backups and configuration (Goldfarb, Josh)
--__--__--
Message: 1
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re; [Veritas-bu] 4.5 MP4 -Best method for migrate Master from
Solaris to Windows 2k
From: william.d.brown AT gsk DOT com
Date: Mon, 1 Mar 2004 11:45:56 +0000
You may have no problem with buffers >64k on Windows. It depends on the
SCSI drivers your hardware actually uses; we have some fibre channel
drivers that are fine up to large sizes. If it uses the Windows miniport
driver, then you do need to make registry changes. Search on the
internet for "MaximumSGlist". Here is an article that tells a good deal:
http://www.eetkorea.com/ARTICLES/2000APR/2000APR05_CT_ID_AN.PDF
You will have to find the registry key for your particular adapter. Here
is a bit for a Qlogic adapter:
6.1. System Registry Parameters
--------------------------------
* MaximumSGList
Windows includes enhanced scatter/gather list support for
doing very large SCSI I/O transfers. Windows supports up to
256 scatter/gather segments of 4096 bytes each, allowing transfers
up to 1048576 bytes.
NOTE: the OEMSETUP.INF file has been updated to automatically
update the registry to support 65 scatter/gather segments.
Normally, no additional changes will be necessary as this
typically results in the best overall performance.
If you wish to alter this value, please use the following
procedure:
1. Click on "Start", select "Run", and open the REGEDT32 program.
2. Select HKEY_LOCAL_MACHINE and follow the tree structure down to
the QLogic driver as follows:
HKEY_LOCAL_MACHINE
SYSTEM
CurrentControlSet
Services
Ql2300
Parameters
Device
3. Double click on
MaximumSGList:REG_DWORD:0x21
4. Enter a value from 16 to 255 (0x10 hex to 0xFF). A value of
255 (0xFF) enables the maximum 1 MByte transfer size. Setting
a value higher than 255 results with the default of 64K
transfers. The default value is 33 (0x21).
5. Click OK.
6. Exit the Registry Editor, then shutdown and reboot the system.
=====================
And another piece of the same info:
The formula to calculate the proper value for MaximumSGList is:
MaximumSGList = ((Maximum Block Size)/4 Kbytes) +1
For 256 Kbytes: 256 Kbytes/4 Kbytes = 64. Add 1 for 65 (decimal) or
0x41 (hexadecimal). The maximum value allowed for MaximumSGLIst is 255 or
0xFF. For the particular value of 0xFF, the internal value passed to
Windows
is increased to 0x101, allowing support for a full 1 Mbyte transfer.
The system must be rebooted for the new registry setting to be effective.
NOTE: For 64-bit systems, the OS page size is 8 Kbytes instead of 4
Kbytes.
Therefore, the maximum transfer size is 2 Mbytes, the default driver
installation enables support for 512 Kbytes transfer size, and the
formula becomes:
MaximumSGList = ((Maximum Block Size)/8 Kbytes) +1
William D L Brown
> You have a challenge here...I believe from a theoretical perspective
> this should work okay. However, if your solaris master was tuned
> with large buffers (>64K) then your new Windows 2K Master/Media
> server will not be able to read the data for restore. Unless you
> make some registry hacks (which I can't find now) on your W2K box.
--__--__--
Message: 2
Date: Mon, 1 Mar 2004 12:57:55 -0500
From: "Goldfarb, Josh" <Josh.Goldfarb AT blackrock DOT com>
To: <veritas-bu AT mailman.eng.auburn DOT edu>
Subject: [Veritas-bu] DMZ backups and configuration
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Currently we have a screened subnet setup and we don't currently backup
in the DMZ because we are running Netbackup 3.41 Datacenter. We are
upgrading to either 4.5 or 5.0, and I am currently look at technote
237797 and on page 460 of the Sysadmin 5.0 admin guide. If I read that
correctly, And I just have clients out in the DMZ, we should only have
to open the ports for the bpcd, (13782,13783)
Or am I totally of base here. I know there is new feature in 4.5 and 5.0
called VNETD. Does Veritas Network Daemon really have a "no call-back"
method and if so, is port 13724 the only port that needs to be opened?
Or does the port for the process BPCD need to be opened as well?
If I read this correctly, VnetD transfers a socket from itself to
another process on the same machine. But my questions (might be dumb)
what does that actually mean?
Thanks So Much
Josh
Josh Goldfarb
BlackRock Financial Management Inc.
BlackRock Solutions - Technology USA
40 East 52nd Street
NY, NY 10022
Phone: 212.409.3702
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<P><FONT SIZE=3D2 FACE=3D"Arial">Currently we have a screened subnet =
setup and we don't currently backup in the DMZ because we are running =
Netbackup 3.41 Datacenter. We are upgrading to either 4.5 or 5.0, =
and I am currently look at technote 237797 and on page 460 of the =
Sysadmin 5.0 admin guide. If I read that correctly, And I =
just have clients out in the DMZ, we should only have to open the ports =
for the bpcd, (13782,13783)</FONT></P>
<P><FONT SIZE=3D2 FACE=3D"Arial">Or am I totally of base here. I know =
there is new feature in 4.5 and 5.0 called VNETD. Does Veritas Network =
Daemon really have a "no call-back" method and if so, is port =
13724 the only port that needs to be opened? Or does the port for =
the process BPCD need to be opened as well?</FONT></P>
<P><FONT SIZE=3D2 FACE=3D"Arial">If I read this correctly, VnetD =
transfers a socket from itself to another process on the same =
machine. But my questions (might be dumb) what does that actually =
mean?</FONT></P>
<P><FONT SIZE=3D2 FACE=3D"Arial">Thanks So Much</FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial">Josh</FONT>
</P>
<BR>
<BR>
<BR>
<P><I><FONT SIZE=3D2 FACE=3D"Times New Roman">Josh Goldfarb</FONT></I>
<BR><I><FONT SIZE=3D2 FACE=3D"Times New Roman">BlackRock Financial =
Management Inc.</FONT></I>
<BR><I><FONT SIZE=3D2 FACE=3D"Times New Roman">BlackRock Solutions - =
Technology USA</FONT></I>
<BR><I><FONT SIZE=3D2 FACE=3D"Times New Roman">40 East 52nd =
Street</FONT></I>
<BR><I><FONT SIZE=3D2 FACE=3D"Times New Roman">NY, NY 10022</FONT></I>
<BR><I><FONT SIZE=3D2 FACE=3D"Times New Roman">Phone: =
212.409.3702</FONT></I>
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