Please can you do a example of how many P disks can become X where no data is lost but recovery becomes impossible i.e. for a 6d+3p array how many missing P disks can be sustained before fix of D disks is not possible, assuming all D disks are OK?
Thank you @mrleifi, very helpful and illustrative examples. It really helps clear up my understanding. That last example scenario would suck!
Greetings on this timeline @uhclem ! It made me smile that you referenced my 2017 snapraid "origins" thread #1 on the forums here. Your insights and validation were very useful back then to setting up my data storage. I'm sure others have read that thread and been helped in some way. Thank you again for that! It's fascinating how time goes by and some things change and some things don't ⌚✈ Having re-read my SR "origins" thread, I might now take your suggestion on faster storage for the primary content...
2023-Q4 bump - still interested to hear from the author / main contributors / main users of the project on this one.
Questions: How many content files do you store? One on each data disk? Can you share your snapraid cfg? What version of snapraid are you using? For any suspected bad content files/disks - move the snapraid .content file(s) out of the array - DO NOT DELETE THEM!! (until the array is healthy again). Once healthy, snapraid will rebuild the missing content files. Ideally you'll have at least one good content file. If yes, good idea to take a backup of that right now as your source of truth for the file...
bump
Any news @jrarseneau ?
You might get some insight from my published doc/philosophy post of my data vault setup https://coda.io/@ff0/home-lab-data-vault. I use an xfs + mergerfs + snapraid setup. 6d and 3p (6 data and 3 parity disks). Consider the snapraid FAQ on ext4 - there are some limits above 16TB disks. I do suggest you read the manual and FAQ carefully. Lots of good knowledge and examples to soak up in there. In your situation you could use snapraid for some added benefits, including improved bit rot protection through...