this post was submitted on 30 Dec 2025
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🏳️(TrueNAS) Is my drive dying and should be replaced?🏳️ (lemmy.zip)
submitted 11 hours ago* (last edited 9 hours ago) by rook@lemmy.zip to c/selfhosted@lemmy.world
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Hey everyone,

I recently built my first NAS. It was bough used with SAS hardware. I've finally got past all the roadblocks and problems that were in my way (I basically bricked a whole SAS drive, a hero of a lemmy user helped me fix it).

Now after filling the 15 TB of RAIDZ2 with around 100gb of data. One of the drives started waiving its white flag and wants to die on me.

I am a complete beginner with no experience with these things.

Is my drive dying and should be replaced? or can it be fixed?

This is the output of the 507 errors that TrueNAS received form it and labelled the vDev as degraded and the drive as faulted:

Output of zpool status and sudo smartctl -a /dev/sdd

As a beginner it looks like this drive is cooked, please let me know if it needs replacing so I can order a new one and replace it right away.

Thank you sooo much!

Edit: SAS not SATA drives

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[–] CubitOom@infosec.pub 3 points 11 hours ago* (last edited 11 hours ago) (2 children)

42441.67 powered on hours is really young for drive death, I normally don't start seeing issues till 50k.

Is it making any audible sounds while running?

I haven't read the smart data for Seagate in a while but the errors numbers look off and would like to see more details. Haveing errors in itself doesn't mean much. Normally I look for Reallocated Sector Count, Seek Error Rate, and Uncorrectable Sector Count. But here it's not telling the details like the types of errors.

Maybe try sudo smartctl -all /dev/sdd not sure if the -a you used is being interpreteded correctly?

[–] suzune@ani.social 1 points 7 hours ago

I'm also missing the smart tabular output here, because it's easier to read and allows to inspect the source of the errors. Maybe it's because it's SAS?

[–] ryannathans@aussie.zone 1 points 8 hours ago* (last edited 8 hours ago) (1 children)

sudo? -all?

I'm going to assume truenas is entirely Linux based now because last time I worked on it, it was FreeBSD and it was smartctl -x /dev/ada3 as root

[–] suzune@ani.social 1 points 7 hours ago (1 children)

On FreeBSD it's also -a or -A for shorter output.

[–] ryannathans@aussie.zone 1 points 4 hours ago

-a is limited for legacy compatibility, -x is the new all