I use NTBackup for smaller sites, but I am asking about a site where I manage the backups for 40 servers, need centralized management, multiple security levels, manage tape rotations, etc. They seem to fall in between NTBackup and Netbackup; hence BE, and my question.
Michael B. Smith wrote: > > I've tried to avoid BE for several years now, but you used to be able > to adjust the tape buffer size on an advanced property window. I know > that's not much help, but I'm sure a little time digging on the BE > support site would bring that to light... > > > > Or someone else may know. > > > > After I got into it, I found nothing that BE would do for me that > NTbackup couldn't. And now, Windows Server Backup (with a couple of > command line tools to deal with Exchange). > > > > Now, the enterprise class packages -- Netbackup, CommVault, Legato, > etc. -- they are a different story. > > > > Regards, > > > > Michael B. Smith, MCITP:SA,EMA/MCSE/Exchange MVP > > My blog: http://TheEssentialExchange.com/blogs/michael > > Link with me at: http://www.linkedin.com/in/theessentialexchange > > > > *From:* Klint Price - ArizonaITPro [mailto:[EMAIL PROTECTED] > *Sent:* Wednesday, October 08, 2008 10:41 AM > *To:* NT System Admin Issues > *Subject:* Re: Comparing NT Backup speeds > > > > any optimizations out there for BackupExec? > > > > > > > Michael B. Smith wrote: > > I don't think you'll find any problems with it. > > > > The section below is showing its age. It was written before Microsoft > moved to E12 and DPM and VSS. But it was accurate in the 2004 timeframe. > > > > > NTBackup > > When people ask how Microsoft does their Exchange Server backups, most > people are surprised to hear that Microsoft uses NTBackup. Often they > don't think to ask the next question---what else do you use? > > > > NTBackup is used for the first level backup. This means that it > generates the backups directly from Exchange Server and then places > the backups onto other media. Microsoft backs up to disk for the first > level backup. After backing up to disk, Microsoft then does a > secondary dump to tape or to SAN, according to their internal backup > rotation. This second and/or third level backup often uses other tools > besides NTBackup. > > > > Until recently, Microsoft IT (the group inside Microsoft for > maintaining their production servers) had a special version of > NTBackup that wasn't available to the outside world. That version was > made available as a hotfix to Windows Server 2003 (Microsoft KB 839272 > (System performance is negatively affected when Ntbackup.exe writes to > a destination .bkf file)) and is included in Service Pack 1 for > Windows Server 2003. This change to NTBackup increases its speed > significantly and decreases its performance impact on the server > significantly. > > > > You can find detailed information about the process that Microsoft > uses internally in the document named Backup Process Used with > Clustered Exchange Server 2003 Servers at Microsoft at > http://www.microsoft.com/downloads/details.aspx?FamilyId=63FA9270-563F-4627-A0A0-8A07E02CF9BF&displaylang=en > > <http://www.microsoft.com/downloads/details.aspx?FamilyId=63FA9270-563F-4627-A0A0-8A07E02CF9BF&displaylang=en> > > (http://tinyurl.com/bcfhh). Despite the document name, the information > in the document applies completely to non-clustered servers as well as > to clustered servers (excepting only that clustered servers use > clustered disk for the backup). This document describes the registry > changes covered in the next section (which can improve performance) > and provides practices for performing multiple parallel backups of > information stores (as covered in the following sections). > > > > Regards, > > > > Michael B. Smith, MCITP:SA,EMA/MCSE/Exchange MVP > > My blog: http://TheEssentialExchange.com/blogs/michael > > Link with me at: http://www.linkedin.com/in/theessentialexchange > > > > *From:* HELP_PC [mailto:[EMAIL PROTECTED] > *Sent:* Wednesday, October 08, 2008 2:08 AM > *To:* NT System Admin Issues > *Subject:* R: Comparing NT Backup speeds > > > > I made the changes and even to disk the speed is doubled !I hope no > issue or contras because it looks too easy ! > > > > *GuidoElia* > > *HELPPC* > > > > > > ------------------------------------------------------------------------ > > *Da:* Michael B. Smith [mailto:[EMAIL PROTECTED] > *Inviato:* martedì 7 ottobre 2008 22.55 > *A:* NT System Admin Issues > *Oggetto:* RE: Comparing NT Backup speeds > > > *Registry Changes for Optimizing NTBackup* > > The first optimization to make for NTBackup performance is to change > some registry keys that affect buffering. These changes can have a > very positive impact on performance when writing to tape, and a > smaller impact when writing to disk. They are as follows (in batch > file syntax): > > > > reg add "HKCU\Software\Microsoft\Ntbackup\Backup Engine" > /v "Logical Disk Buffer Size" /t REG_SZ /d 64 /f > > reg add "HKCU\Software\Microsoft\Ntbackup\Backup Engine" > /v "Max Buffer Size" /t REG_SZ /d 1024 /f > > reg add "HKCU\Software\Microsoft\Ntbackup\Backup Engine" > /v "Max Num Tape Buffers" /t REG_SZ /d 16 /f > > > > These registry changes double the default values. Do note that they > affect HKEY_CURRENT_USER, and not HKEY_LOCAL_MACHINE as you might > expect. Therefore, you should execute NTBackup under the desired user > to create the registry key before you attempt to set the above > registry values. > > > > > > Regards, > > > > Michael B. Smith, MCITP:SA,EMA/MCSE/Exchange MVP > > My blog: http://TheEssentialExchange.com/blogs/michael > > Link with me at: http://www.linkedin.com/in/theessentialexchange > > > > *From:* Joseph L. Casale [mailto:[EMAIL PROTECTED] > *Sent:* Tuesday, October 07, 2008 11:59 AM > *To:* NT System Admin Issues > *Subject:* RE: Comparing NT Backup speeds > > > > Michael, > What are these tweaks you speak of? > jlc > > > > *From:* Michael B. Smith [mailto:[EMAIL PROTECTED] > *Sent:* Tuesday, October 07, 2008 6:26 AM > *To:* NT System Admin Issues > *Subject:* RE: Comparing NT Backup speeds > > > > Well a local device will usually be faster than a remote device. > > > > Ntbackup, with the registry tweaks, gives me about 1 GB per minute > locally. But I don't have a dat-72 to compare to. My home GB LAN with > a cheap crappy switch copies about 50 MB/min. So I'm thinking that two > hours seems more likely than 9 hours. > > > > Regards, > > > > Michael B. Smith, MCITP:SA,EMA/MCSE/Exchange MVP > > My blog: http://TheEssentialExchange.com/blogs/michael > > Link with me at: http://www.linkedin.com/in/theessentialexchange > > > > *From:* HELP_PC [mailto:[EMAIL PROTECTED] > *Sent:* Tuesday, October 07, 2008 7:28 AM > *To:* NT System Admin Issues > *Subject:* R: Comparing NT Backup speeds > > > > Yes the DAT device is local. > > Not applied registry tweaks > > > > *GuidoElia* > > *HELPPC* > > > > > > ------------------------------------------------------------------------ > > *Da:* Michael B. Smith [mailto:[EMAIL PROTECTED] > *Inviato:* martedì 7 ottobre 2008 13.05 > *A:* NT System Admin Issues > *Oggetto:* RE: Comparing NT Backup speeds > > Have you applied the "standard" registry tweaks to increase the > ntbackup buffer size? > > > > Is the dat-72 locally attached? > > > > Regards, > > > > Michael B. Smith, MCITP:SA,EMA/MCSE/Exchange MVP > > My blog: http://TheEssentialExchange.com/blogs/michael > > Link with me at: http://www.linkedin.com/in/theessentialexchange > > > > *From:* HELP_PC [mailto:[EMAIL PROTECTED] > *Sent:* Tuesday, October 07, 2008 1:59 AM > *To:* NT System Admin Issues > *Subject:* Comparing NT Backup speeds > > > > > > In a network 10/100/1000 copper a NT backup of the complete server to > a Qnap device RAID-1 takes about 9 hours with verify (about 50GB) > versus DAT-72 with separate card that takes half the time . > > Should be considered normal ? > > TIA > > > > *GuidoElia* > *HELPPC* > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
