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How old are the disks in your NAS? (lemmy.fwgx.uk)

submitted 1 day ago by blackstrat@lemmy.fwgx.uk to c/selfhosted@lemmy.world

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I have a ZFS RAIDZ2 array made of 6x 2TB disks with power on hours between 40,000 and 70,000. This is used just for data storage of photos and videos, not OS drives. Part of me is a bit concerned at those hours considering they're a right old mix of desktop drives and old WD reds. I keep them on 24/7 so they're not too stressed in terms of power cycles bit they have in the past been through a few RAID5 rebuilds.

Considering swapping to 2x 'refurbed' 12TB enterprise drives and running ZFS RAIDZ1. So even though they'd have a decent amount of hours on them, they'd be better quality drives and fewer disks means less change of any one failing (I have good backups).

The next time I have one of my current drives die I'm not feeling like staying with my current setup is worth it, so may as well change over now before it happens?

Also the 6x disks I have at the moment are really crammed in to my case in a hideous way, so from an aesthetic POV (not that I can actually seeing the solid case in a rack in the garage),it'll be nicer.

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[–] deadcatbounce@reddthat.com 11 points 1 day ago* (last edited 1 day ago)

Don't fill copy-on-write fs more that about 80%, it really slows down and struggles because new data is written to a new place before the old stuff is returned to the pool. Just sayin'.

I wouldn't worry if you're backed up. The SMART values and daemon will tell you if one is about to die.