Have you tuned you NetBackup buffers? Have a look at the following technote and setup the size and number data buffers - http://support.veritas.com/docs/183702 <http://support.veritas.com/docs/183702>
Are you using agents and mounting the image up after the split or just performing a cold flat file backup after the split? Regards, Tal ________________________________ From: veritas-bu-boun...@mailman.eng.auburn.edu [mailto:veritas-bu-boun...@mailman.eng.auburn.edu] On Behalf Of hemant.kale...@wipro.com Sent: 10 May 2010 09:07 To: veritas-bu@mailman.eng.auburn.edu Subject: [Veritas-bu] Slow backup speed HI I am facing problems in backup speed for backing up SAP databases. My setup is as follows I am using shadow image ie split sync for backing up my SAP databases.The datasize is approximately 13TB. My PVols are mounted from Hitachi 9990V storage and are attached to Sun M9000 server. My Svols are mounted from Sun storage 6140 and are attached to Sun T5220 which is configured as media server in veritas netbackup6.0. I have L1400 Tape Library from which 4 LTO4 drives are presented to secondary server from which backup is taken, Average speed per stream is 30MBPS which makes overall throughput of 4*30=120MBPS.backup time is around 36 hours. Thanks and Regards Hemant S Kalekar 09819949422 Please do not print this email unless it is absolutely necessary. The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments. WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any virus transmitted by this email. www.wipro.com
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