4 ms·
And then if there's an unrecoverable read error on one of those other massive drives during the rebuild, you're in deep trouble.. and the bigger the drive the m
by zzalpha 10y ago
And then if there's an unrecoverable read error on one of those other massive drives during the rebuild, you're in deep trouble.. and the bigger the drive the more likely this is to happen (reaching near-certainty once the drive is large enough):
http://www.zdnet.com/article/why-raid-5-stops-working-in-2009/ http://www.zdnet.com/article/why-raid-5-stops-working-in-200...
- snuxoll 10y agoWhich is why the 3 and 4TB drives I have in my FreeNAS box at home are configured as mirrored pairs, the time it takes to resliver a drive in this configuration is already fairly long - RAID-Z or the hardware equivalent of RAID-5 would take upwards of days to complete and that's a disaster waiting to happen.