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With the introduction of the X18 platform, Seagate introduced a new part number for 16TB Exos drives - ST16000NM000J. It's not much different than the X16 ST16000NM001G The two IronWolf Series drives outperform the Exos X slightly in the sequential read test, but there are plenty of outliers with all three series. There are many data points to go over in the specifications that explain why Seagate offers three NAS-optimized models. We will be starting with the IronWolf and IronWolf Pro from the Guardian Series of consumer and prosumer products. In reply to Prasanga : Noise levels of X18 and X16 are same as per the manual. They both have 3.2 to 3.4 bels during performance seek and 2.8 to 3.0 bels during ideal So I'm looking at getting a few of these for my my NAS but I'm having trouble finding any data on noise levels. I'm currently running mostly 8TB WD Reds which according to their data sheet run 27 dBA idle and 29 dBA seek (average).
Even though we don't have flash sitting in front of the arrays today, we still show the preconditioning and steady-state charts that will allow you to compare these three products to other products and array types later. https://www.seagate.com/files/www-content/datasheets/pdfs/exos-x18-channel-DS2045-2-2010US-en_US.pdf Random 4KB mixed workloads, and the 70% read test, give us a good indication of virtualized desktops running off-network storage. This, as well as database and miscellaneous cloud storage, are where the Exos X stands tall. The two IronWolf products still perform well for their respected markets. Most IronWolf drives simply fall into mass storage roles hold cold data for end-users be them consumers, creators, or businesses. Server Workloads Hard Drive Troubleshooting Guide : https://www.truenas.com/community/r...bleshooting-guide-all-versions-of-freenas.17/ When you register your IronWolf or IronWolf Pro, you trigger Seagate's Rescue Data Recovery Service. This is a free feature for the IronWolf Pro series for two years and an optional add-on for IronWolf and Exos X.CPU: Intel Xeon E-2288G (Coffee Lake-R) 3.7 GHz (w/iGPU transcoding after TrueNAS 12.0-RELEASE upgrade) Seagate has two standard drives that are 16Tb. One is X16 series, while the other is X18. The data sheet on the X18 says it is CMR, but the data sheet for the X16 does not. Considering these are enterprise drives I'm thinking they could run a fair bit louder but I'm hoping for some actual data. We start to see significant performance variation in the random workloads. The first thing you will clearly notice is the Exos walking away from the two IronWolf models and in some workloads double and tripling random read performance. Less obvious is the IronWolf outperforming the IronWolf Pro. For many, this is unexpected, but we've noticed the IronWolf performing better in some workloads over the years with other capacities. The webserver test shows similar performance between the three sets of drives tested today. The Exos X shows a little more inconsistency compared to the two IronWolf series in preconditioning with a heavy workload. This is likely due to the different cache algorithm. Final Thoughts
FWIW, I also have 8 Exos 16TB drives in my NAS, and it's been in service (as my home NAS) since early 2020, with no drive failures (they're currently hanging off an LSI 9211-8i SAS HBA flashed with P20 IT firmware). Hardware recommendations: https://www.truenas.com/community/resources/hardware-recommendations-guide.12/ Partitioning the boot drive: https://www.truenas.com/community/resources/i-have-to-waste-an-entire-drive-just-for-booting.187/Lyve: Periferie-naar-cloudplatform voor massaopslag Lyve Cloud: Voordelige objectopslag, ontworpen voor de multicloud The IronWolf Pro has the same capacity advantages over the Red Pro, and the dollars per gigabyte value is favorable, as well. The series works better in large disk deployments that exceed the recommended drive count of the base IronWolf. Seagate recently increased the maximum recommended number of drives to twenty-four from sixteen and that increases the series' usefulness for cold storage. Maak een einde aan de kosten en complexiteit van het opslaan, verplaatsen en activeren van gegevens op schaal. Both have the same workload (550TB per year), reliability (2.5 million hours MTBF), warranty (5 years limited), and of course the same capacity.
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