![]() The earliest example is a bit of an outlier: Douglas Hubbard's 1985 How to Measure Anything - but it's also only tangentially related. > The stuff I've read that touches on this idea is almost all from 2006 and onwards, mainly 2010s. I still find it hard to convince management and colleagues of its importance. That said, I did mention it was obvious to me. Of course, hydrologists have been doing this stuff since the early 1900s at least, but extreme value theory has always been a kind of niche so I'm not sure I should count that. poker and bridge players) have known this stuff for a while. The other real exceptions are books on statistics (where the idea of risk management - at least in my collection - seems to have gotten popular in the 1950s, probably as a result of the second World war) and financial risk management (which seems to really have taken off in the 1980s, probably in conjunction with options becoming a thing.) Statisticians and finance people (and by extension e.g. The stuff I've read that touches on this idea is almost all from 2006 and onwards, mainly 2010s. It's not a perfect match for everything, but it works great for lots of things. I do like the modern idea of S3-like storage, where data is replicated over several independent machines, and the controlling software can recover from losing entire servers (or even data centers). I once lost two drives and a RAID controller all together during Christmas, which was not a fun time. Hardware RAID controllers are another single point of failure. Honestly, RAID arrays only buy you so much reliability. ![]() And if identically dodgy drives are all exposed to exactly the same thermal stress and the same I/O operations, then I guess they might fail close together? And finally, some drive batches are just dodgy, and it may not take much to push them over. A full RAID rebuild is a high-stress event that tries to read every disk block on every drive, as rapidly as possible. When you finally detect a failed drive, you discover that other drives have also been failing for months. ![]() Unless you periodically do full-drive reads, you may silently accumulate bad blocks across multiple drives in an array. I think this can be caused by several things: The SanDisk SSD Toolkit includes all the tools you need to keep your drive running at peak performance.I have definitely seen RAID arrays where the drives were all part of a single manufacturing batch, and multiple drives all failed in rapid succession. The SanDisk SSD Toolkit is also light on its feet: CPU and memory usage is very low.System requirements include Intel or AMD 1.5 GHz processor or higher, 512MB of RAM, and 50MB free disk space. Other improvements include firmware reliability with enhanced Root File Systems, enhanced internal parity error mitigation, and improved device compatibility with SATA hosts. The toolkit also allows you to view SMART attributes on compatible drives, such as power on hours, program fail count, reported errors, the percentage of total write/erase actions, and much more.The latest versions of SSD Toolkit has improved the robustness of the recovery procedure during power cycles, secure erase, improved TRIM throughput, write performance, resume from slumber and checkpoints. A simple click of a tab will bring up the model and a serial number of a drive, firmware revision number, drive size, and SATA generation and supported features. All available apps are easily accessible via tabs system. All connected SSDs are easily identified. The graphical user interface is simple and intuitive. From performance analysis to error checking, the toolkit is a one-stop utility for all SanDisk SSD users.Installation of the toolkit is easy and fast. SanDisk has included in its SSD Toolkit utility everything you need to keep your solid state drive (SSD) running at peak performance. Statistics and data on capacity, performance, errors.Complete drive analysis and data (including drive model, capacity, firmware version). ![]() The SanDisk SSD Toolkit works with all SanDisk branded SSD drives. Easily track data and statistics for all SSD drives with a simple tab system. The SSD Toolkit’s simple, the intuitive graphical user interface will make optimizing, maintaining and troubleshooting your SanDisk SSD drive a snap. ![]()
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