Have you ever worried about Silent Errors?

Do you every worry that data you just saved to disk might be corrupt? No? You’re not alone. Still, this is a risk that is always there, even in the most advanced storage system. Your hard drive won’t always tell you if it’s unable to write data, and by the time you’re reading it back [...]

Does the world need Triple Parity RAID?

Chris Mellor from the Register noticed a post on Sun’s blog about Triple Parity RAID (RAID-TP) being added to ZFS. This is a rather logical extension of the current RAID-5 (single parity) and RAID-6 (dual parity, also known as RAID-DP) schemes, and the Sun engineer that wrote the blog post says the performance should be [...]