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Hi Simon, This is good news that you're being offered this, I'm also very interested in hearing the results. I'm happy to get involved too (we have a good relationship with XMA so I don't forsee a problem there), but then I can't help but think there's a certain point where "too many admins would spoil the hardware test" - we can do only one test at once, and I suspect we'd all be interested in the results of the same types of tests. Creating a wishlist of these tests would be a good addition to Marcus' proposed wiki page (which I also think is a good idea). Cheers! Matt On 26/01/17 11:03, Marcus Ebert wrote: > Hi George, > > That's great! > I would appreciate if you could include me for the discussion and test > access. > > I haven't got such good offer from any vendor, but for LSST we purchased > a testbed which consist of 2 different kind of servers where the only > difference is the hardware raid vs HBA card. > > I think in general it would be good if we open a Wiki page where we > collect all test results incl. OS version, HBA/hardware raid version, > cache modes, RAM/CPU, disk number, kind of disks, and test modes (e.g. > sequential vs parallel), and also note any problems. > This could maybe helpful for future purchases. > > > Thanks, > Marcus > > > > On Thu, 26 Jan 2017, George, Simon wrote: > >> Hi, >> >> XMA have offered me the use of their test facility to compare >> performance of HBA + sw raid vs RAID cards in a current storage >> system. They are happy for other people to be involved too. If you're >> interested, please let me know so I can include you in discussion of >> the system setup and get you access for testing. >> >> Has anyone else asked for or received a similar offer from this or any >> other vendor? Our local HPC sales and technical people are very keen >> to have us make use of their test facility. >> >> Thanks, >> >> Simon >> >