Lefthand Math
Recently at work, we’ve started a request for proposal (RFP) process to purchase new SAN storage space. There was something that struck me about one proposal from Lefthand Networks involving their NSM160 platform (which they weren’t pitching at this proposal). We have several NSM160’s in our datacenter and one stat that they threw out there was the max IOPS number: 30,000. I do realize that they have at some lab somewhere running the absolute perfect test they have achieved this speed.
Working with the NSM160’s on a regular basis, I can tell you that real world throughput isn’t even close. In fact, if you divide that max number by 100, it would be way more in line with what we see daily. Now, of course this is a guess because Lefthand Networks provides no I/O monitoring tools to be able to glean performance numbers out of its SANs. That’s right, no tools native to the SAN.
I guess if I need to read or write (most likely read with a number like 30,000) millions of 1KB files sequentially, Lefthand is my company.
Tags: iscsi, lefthand networks, misleading, san
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