Multiple Arrays


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3 hours ago, deFrezzer said:

2 for Data 2 for parity)

 

3 hours ago, deFrezzer said:

second mirror 1TB Array.

Your 2 parity 2 data isn't a mirror either. Just put those others in the array and your 2 parity will be more than necessary.  

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1 hour ago, -Daedalus said:

 

Nope. You can add any size disks you want to a pool, and unRAID will figure it out.

I personally ran a pool of 1TB + 2x500GB disks no problem.

So you lost 500GB. I talking about cache pool, not the array.

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6 hours ago, deFrezzer said:

+1 for multiple arrays

 

By now i have 4 3TB drives (2 for Data 2 for parity)

After the migration from my old nas i have 2 1TB Disks that i could reuse.

 

But unraid didnt let me do this the way i would, as a second mirror 1TB Array.

 

ii´m still between between unraid and truenas.  

 

Why not simply add the 2 x 1TB drives to the array to get 2TB extra space?    UnRaid does not require all array drives to be the same size.   You wil then have 4 data drives protected by 2 parity drives

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On 10/2/2021 at 6:18 PM, drumstyx said:

Heck, I'd even pay for multiple licenses to make this possible -- I already own 2, but I don't want to run 2 whole machines and deal with network drive mapping for sharing media between them

feel you man! having 2 arrays with only 1 array beeing protected, brings a huge speed boost to the possibly unprotected second array for copying huge data files (EG. Chia Plots) 

 

Setup here at the Moment. 16tb parity - 16tb data - 2tb data - 8tb data 

Mixed with Personal & Business stuff (Needs Protection like Parity) and Chia Plots and Media Library (would prefer not to parity for speed resons) 

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51 minutes ago, flex420 said:

feel you man! having 2 arrays with only 1 array beeing protected, brings a huge speed boost to the possibly unprotected second array for copying huge data files (EG. Chia Plots) 

 

Setup here at the Moment. 16tb parity - 16tb data - 2tb data - 8tb data 

Mixed with Personal & Business stuff (Needs Protection like Parity) and Chia Plots and Media Library (would prefer not to parity for speed resons) 

If you do net need parity protection, why not set up as an additional pool (which is a feature already available)?

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1 hour ago, itimpi said:

If you do net need parity protection, why not set up as an additional pool (which is a feature already available)?

This works and I do this for chia currently, but there is a massive difference in time to expand and balance a pool (days) vs non-parity protected array (minutes).  I've also noticed sneaker nets becoming highly popular for chia plotting (and would apply for media ingestion also), and Unraid arrays facilitate these very nicely.

 

Another point is you don't want pools getting to big, borking themselves and nuking your time and effort, so you end up running a tonne of smaller pools... it's a PITA.

 

 

 

Edited by tjb_altf4
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8 hours ago, tjb_altf4 said:

This works and I do this for chia currently, but there is a massive difference in time to expand and balance a pool (days) vs non-parity protected array (minutes). 

 

They suggested you use Multiple Cache Pools, not Data Pools. So essentially every chia drive is its own cache pool.

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On 10/2/2021 at 9:18 AM, drumstyx said:

Heck, I'd even pay for multiple licenses to make this possible -- I already own 2, but I don't want to run 2 whole machines and deal with network drive mapping for sharing media between them

Have you tried running the second Unraid license as a VM? You'd still probably need a separate card and/or DAS for the array, but you wouldn't need the other physical server...

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