SIZE_DATA_BUFFERS
2097152

do it


Harpreet SINGH wrote:
> Hi,
> 
> Right now I have the below config in
> 
> /etc/sysctl.conf
> kernel.shmmax=2147483648
> 
> With Warm Regards
> =-=-=-=-=-=-=-=-=-=-=-=-=-
> Harpreet Singh Chana
> 
> Phone  :   (O) 6895 - 4326
> Fax       :    (O) 6895 - 4991
> =-=-=-=-=-=-=-=-=-=-=-=-=-
> 
> 
> Notice
> The information in this message is confidential and may be legally
> privileged.  It is intended solely for the addressee.  Access to this
> message by anyone else is unauthorized.  If you are not the intended
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> 
> 
> 
> 
> 
> oersted                                                       
> <netbackup-forum < at >                                              
> backupcentral.com                                          To 
> 
> > VERITAS-BU < at > mailman.eng.auburn.edu   
> > 
> Sent by:                                                   cc 
> veritas-bu-bounce                                             
> s < at > mailman.eng.aub                                     Subject 
> urn.edu                   [Veritas-bu]  Veritas Netbackup     
> Performance tuning in Ver 6.5       
> 
> 09/25/2008 02:48                                              
> AM                                                            
> 
> 
> Please respond to                                             
> VERITAS-BU < at > mailma                                             
> n.eng.auburn.edu                                              
> 
> 
> 
> 
> 
> 
> 
> use 2MB buffer with LTO2-4
> 
> 2097152
> 
> you will need to pump up shmmax in /proc/sys/kernel
> 
> and change bootup script to make permanent
> 
> bond NICS biased for incoming Rx bandwidth
> 
> 
> 
> 
> 
> Harpreet SINGH wrote:
> 
> > Dear All,
> > 
> > I am running on Ver 6.5 with Redhat Master/Media Server.
> > 
> > I am not able to achieve more that 30mb/s through put from a Client
> > 
> backup.
> 
> > It is doing big Oracle Data Files. File Size is from 2 gb to 10gb.
> > 
> > I have 3nos of  LTO-2 Tape Library, Redhat 4 update 6 with 4gb Mem.
> > Dedicated 1gb Network card.
> > 
> > Clients are Redhat 5 with 32bit  and 64Bit with EMC CX700 SAN Storage
> > 
> Raid
> 
> > 5 group.
> > 
> > Please advise.
> > 
> > With Warm Regards
> > =-=-=-=-=-=-=-=-=-=-=-=-=-
> > Harpreet Singh Chana
> > 
> > Phone  :   (O) 6895 - 4326
> > Fax       :    (O) 6895 - 4991
> > =-=-=-=-=-=-=-=-=-=-=-=-=-
> > 
> > 
> > Notice
> > The information in this message is confidential and may be legally
> > privileged.  It is intended solely for the addressee.  Access to this
> > message by anyone else is unauthorized.  If you are not the intended
> > recipient,  any disclosure,  copying or distribution of the message,  or
> > any action taken by you in reliance on it,  is prohibited and may be
> > unlawful.  If you have received this message in error,  please delete it
> > and contact the sender immediately.  Thank you.
> > 
> > 
> > _______________________________________________
> > Veritas-bu maillist  -  Veritas-bu < at > mailman.eng.auburn.edu
> > http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
> > 
> 
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