Windows Storage Spaces is described as 'Drive Pooling with SSD tiering built into Windows' and is an app in the backup & sync category. There are seven alternatives to Windows Storage Spaces for Windows, Linux, BSD and FreeBSD. The best Windows Storage Spaces alternative is Unraid. It's not free, so if you're looking for a free alternative, you could try OpenZFS. Other great apps like Windows Storage Spaces are PrimoCache, GiMeSpace RAM Folder Pro, SSHD Wizard and Open Cache Acceleration Software (Open CAS).
Flexible operating system combining storage management with support for mixed drive sizes, Docker containers, virtual machines, hardware and GPU passthrough, browser-based interface, file protocols, scalable expansion, integrated parity, and monitoring features.
OpenZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community.
PrimoCache is a supplementary software caching scheme that cooperates with system memory to provide data caching for disks. It improves system performance by transparently storing data into memory such that future requests for that data can be served faster.
Combining the best of both RAM disk and disk caching software. You can transform any folder on your hard drive to a RAM folder, meaning files in these folders will only be stored in RAM memory.
Creates a virtual SSHD out of raw (unformatted) SSD+HDD combo. Alternatively, can use free space instead of whole disks.
Open CAS interoperates with server memory to create a multilevel cache that optimizes the use of system memory and automatically determines the best cache level for active data, allowing applications to perform even faster than running fully on flash.
Windows IO Caching solution
DymaxIO is fast data software. Whether on-premises or in the Cloud, DymaxIO returns 40%+ of your throughput that is being robbed due to I/O inefficiencies. It’s fast, easy, fully transparent, and automatic. Fix application slows, freezes, timeouts, sl.
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primocache is a drive caching system -- windows storage spaces is an alternative to raid