It has 12 hard disks, in a mirror configuration. I have a Storage Spaces pool that got larger over the years. My solution for file-insurance: have local redundant storage as well as a cloud-based backup. Hard drives are fragile the internet bandwidth is still not fast enough to back up large amounts of data in a timely manner. If you are in such a situation, I’m pretty sure that you’ll read every word, I read everything I can when I search for a cure to a problem. This is going to be a long “Diary” like a blog post that describes over a month of a fight to bring back a 35TB (70 TB physical disk space) logical disk to life. ![]() Many PowerShell commands, as well as administrative user interface, let you manage Storage Pools and Virtual Disks that you allocate from them. If you have a single disk failure, you are safe, in some configuration storage spaces can protect a multiple disk failure, but it requires many hard disks. Storage Spaces lets you add more disks as well as remove old or broken disks. ![]() ![]() You can have a simple spanning configuration (RAID 0), a mirror configuration (RAID 1) or a parity configuration (RAID 5). This is a software RAID system that lets you create a Storage Pool out of many physical hard disks. You may use this technology when having a large disk space that can dynamically grow, by stripping many physical hard disks. ![]() However, Microsoft has brought this technology to Windows 10 and Windows Server Essentials – what used to be the Small Business Server. Storage Spaces is a technology that is mainly used by large file servers.
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