I'm hoping unRAID has this by default (or a checkbox) so that I can avoid buying a synology as they're looking pricey & I already have a spare i7 computer and a load of old drives I'd love to set up as a NAS!

 

I found this interesting article online about silent bitrot:

https://louwrentius.com/scrub-your-nas-hard-drives-regularly-if-you-care-about-your-data.html

 

It's an outdated article though, so I'm wondering if unRAID devs have now released an update to include regular BTRFS scrubbing? Thanks

 

Ypu, scrubbing is possible. And with a little script, it should be possible to be automated.

I have the same question.😆

 

Hope someone's reply

On 7/28/2021 at 9:48 PM, Bob2 said:

I'm hoping unRAID has this by default (or a checkbox) so that I can avoid buying a synology as they're looking pricey & I already have a spare i7 computer and a load of old drives I'd love to set up as a NAS!

 

I found this interesting article online about silent bitrot:

https://louwrentius.com/scrub-your-nas-hard-drives-regularly-if-you-care-about-your-data.html

 

It's an outdated article though, so I'm wondering if unRAID devs have now released an update to include regular BTRFS scrubbing? Thanks

 

As stated, you can run a simple script via User Scripts to detect bit-rot on BTRFS devices (in the array it can detect it but not fix them automatically).  The cache pools can be fixed.

 

But, your article isn't exactly a fair comparison.  A URE in a traditional RAID environment (synology) is catastrophic, because if you exceed your redundancy you've lost every single file.  Worst case with Unraid is you will only ever lose a portion (probably a single file corrupted) if a URE happens and you've exceeded your redundancy.