Beware of silent corruption in your disk arrays. https://www.nsc.liu.se/lcsc2007/presentations/LCSC_2007-kelemen.pdf https://www.nsc.liu.se/lcsc2007/presentati

Beware of silent corruption in your disk arrays. https://www.nsc.liu.se/lcsc2007/presentations/LCSC_2007-kelemen.pdf https://www.nsc.liu.se/lcsc2007/presentations/LCSC_2007-kele... Disks didn't always write a block in the correct place. Things are better now, but still not perfect. I would recommend that you read all your data all the time; this ensures RAID-1 or ZFS will correct the silent bitrot. Hopefully. A megabyte or two per second read rate is all you need. See the pdf for more. There is a git archive at https://gitlab.com/fsprobe https://gitlab.com/fsprobe for a reader utility.