With 16 x 7.2K spindles and the MPIO/network setup that you have, you should easily be able to saturate the single gigabit link that this VM has available to it (due to your split-horizon config, which I address below). SAN HQ gives you data about IOPS on a per-spindle basis, and can show you whether or not I/O is queuing up badly when you're running these tests. SAN Headquarters is provided by Dell at no added cost, provided that you have an active warranty on the system. Secondly, you need to determine whether or not the IOPS load on the disks is a factor in your results, assuming that this array is already in production and has a regular workload on it. I would recommend that you give your virtual machine direct iSCSI access to a separate test volume, format the volume, and run the test again on the test volume. You have a lot of added layers to the I/O path that you should not have for testing purposes if this is the only test you've run on this volume, or even on this VM. a VMDK stored within a VMware VMFS datastore). Since your IO benchmark is running on the C drive of the virtual machine, which I would guess is a virtual hard drive stored within the file system of one of those 2TB volumes (e.g. Unlike with CrystalDiskMark however, it's obvious that Synergy and the custom driver are actually doing something to improve performance, especially at low data sizes.The first thing to note is that you're not actually testing the SAN performance here. The only test to show a notable performance uplift was the random test with a high queue depth and thread count, which saw performance increase by roughly 25%.ĪTTO Disk Benchmark acts very similarly to CrystalDiskMark, only the queue depth is set for all data transfers (a depth of 4 in this case, which is the default) and it tests a wide range of data block sizes scaling from just 512 bytes to 64 megabytes (I cut out everything after 2MB for brevity however). When retesting with Synergy installed, not a ton changed for the P41 Plus in five of the six tests. However, there are some cases where a low queue depth will swing things in the 970 EVO Plus's favor, though not by much. The P41 Plus without any help from Synergy software is just a little faster than the 970 EVO Plus, probably due to a combination of using PCIe 4.0 rather than 3.0 and also having newer hardware. Scores shown are for read/write speeds, measured in MB/s. Solidigm makes the P41 Plus a compelling deal not just thanks to its low price and decent specifications, but also through its Synergy Toolkit application and custom driver support, something that pretty much no other company bothers with anymore. However, Solidigm isn't really a new company when Intel sold off its SSD division to SK Hynix, it was rebranded to Solidigm, and still advertises the popular budget 660p and 670p drives on its website.Īlthough the field is already crowded with cheap PCIe 4.0 SSDs, Solidigm's P41 Plus manages to stand out and proves to be a worthy successor to the 660p and 670p. There's a lot of brands in the SSD arena, from titans like Samsung to newcomers like Solidigm, which was founded in late 2021 and thus hasn't had much time to make a name for itself yet. The results: Good performance, especially with customized software support.Solidigm P41 Plus pricing and availability.
0 Comments
Leave a Reply. |