philh wrote:
First time I've ever had a hard drive DOA. Was upgrading drives in my home server, as the drives were a bit old and wanted to increase space. Five years ago, said I'll never run out of space, LOL. Four 8TB raid 5 should be good for awhile!
I wouldn't run RAID-5 with such a large array, at least not unless you have good backups or don't care if you lose the data.
Large RAID-5 arrays take a long time (a day, or multiple days) to resilver after a disk loss, and if you lose another disk during the rebuild, you'll lose the entire array. Rebuilding itself stresses the disks making a multi-disk failure not uncommon.
I run a 5 disk RAID-6 array at home, which means I can lose up to 2 disks without data loss, but when I upgrade it, large disks are so cheap that I'll probably just go with mirroring (which means much faster rebuilds)