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IO bootstorms are problems that arise when many individual users simultaneously boot up a common operating system. This usually happens in systems that use a virtual desktop infrastructure environment, where each system has many individual users logging onto the same operating system built into a virtual network.
Techopedia Explains I/O Bootstorms
Although a virtual desktop infrastructure system can provide a great deal of efficiency and consolidation for companies, I/O bootstorms can be a problem. The centralization of resources leads to these kinds of issues, where user demands can really impact network throughput. For example, if users have the same schedule and start working at the same time, the impact spike generated by all the logins can threaten to disrupt network activity.
There are several ways to address I/O bootstorms. These include planning for system operations — for example, system administrators can disable memory ballooning to try to control the effect of depleted RAM on the system. Another solution is to configure the system to enable timed boot-ups, where the system boots up in stages as the user logs on. This is a simple way to stagger the kinds of network demands that can crash a network if not dealt with properly. Another solution is to change the storage configuration, such as switching to a Redundant Array of Independent Disks (RAID) design, or to conserve system resources, for example, by eliminating the use of three-dimensional screensavers or other memory drains. Some IT experts have also recommended the use of solid-state drive technology to further improve network durability.
