Hi, You are correct and I am aware of I can calculate a theoretical maximum. But in my world there is no definitely equal sign between theory and practice. Hence the question about your experience.
Thanks Henrik -----Original Message----- From: ADSM: Dist Stor Manager [mailto:ads...@vm.marist.edu] On Behalf Of Remco Post Sent: den 29 januari 2010 07:41 To: ADSM-L@vm.marist.edu Subject: Re: [ADSM-L] Linux - number of drives/daily backup size On 28 jan 2010, at 21:47, Henrik Vahlstedt wrote: > Hi, > > Based on your experience. > What is maximum number of drives, LTO4 or J3/T10KB, and still having an > excellent performance when everything is used at the same time in a Linux > server? > calculate the bandwidth of your PCI bus/slot in Gb/s - you can only have one 4 Gb/s HBA working at 100% capacity on a PCI-X 133 bus - 10 Gb/s ethernet requires PCI-X 266 or a suitable PCIe slot calculate the bandwidth requirements of your drive - you can have maybe 2 or 3 high-speed drives per HBA > Size of daily backups? > Server model? > Drive type? > > Assumptions are larger models of HP or IBM servers on Intel/AMD, with SAN > storage and 10 GigE. > > > Thanks > Henrik > > > > ------------------------------------------------------------------- > The information contained in this message may be CONFIDENTIAL and is > intended for the addressee only. Any unauthorised use, dissemination of the > information or copying of this message is prohibited. If you are not the > addressee, please notify the sender immediately by return e-mail and delete > this message. > Thank you. -- Met vriendelijke groeten/Kind regards, Remco Post ------------------------------------------------------------------- The information contained in this message may be CONFIDENTIAL and is intended for the addressee only. Any unauthorised use, dissemination of the information or copying of this message is prohibited. If you are not the addressee, please notify the sender immediately by return e-mail and delete this message. Thank you.
