Alexander V. Makartsev wrote: > On 13.02.2019 18:22, basti wrote: > > Most hardware RAID controllers perform automatic full surface scans to > ensure data consistency (also could be called "patrol scans") and mark > HDDs as "Expected to Fail Soon" to warn user. > You have to backup your data regularly and in case of large RAID5/6 > level arrays you should have at least one Hot Spare drive available in > your enclosure at all times. > Precautions are almost the same for software RAID, but more difficult to > setup.
Not really more difficult: Debian's default mdadm configuration includes a weekly run of checkarray. -dsr-