this post was submitted on 06 Jun 2024
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It's A Digital Disease!

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DAS with 2x Raid1 for working and backup storage - Could use some guidance (zerobytes.monster)
submitted 2 years ago by bOt@zerobytes.monster to c/datahoarder@zerobytes.monster
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The original post: /r/datahoarder by /u/Final_Wedding_5634 on 2024-06-05 16:13:40.

Hobbyist Photographer and videographer looking for DAS to expand my 2019 Macbook Pro's working space and archival backup space.

Cost is certainly a consideration.

I have two needs:

  1. Backups - I presently have 2 x 3TB 5.4k rpm HDDs for storage in a desktop nearby. This PC needs to be replaced as its old and dying slowly. The HDDs work great - used for cold storage. the PC is off most of the time.
  2. More working space. Presently, I just keep my MBP clear of working document - i only load one project at a time and work off the internal 500GB SSD. This works but is getting tedious. I typically edit in either iMovie or Davinci Resolve (depending on project needs) and would like to move this to a larger DAS.

I'm thinking I'd like

  • 1 DAS with 4 bays. But from who? OWC? MediaSonic?
  • Configure the two HDDs into a single Raid 1 for local backups with redundancy. I'll copy files to cold storage as needed. This data is backed up to an external drive in a fire-safe and critical docs are backedup to the cloud as well.
  • Configure two SSDs into a single Raid 1 for faster working space redundancy. I'll use these as working space for editing two or three streams of 1080.60 video. Once projects are finished, the final result and maybe the raw footage is saved to the HDDs for archival.

Questions:

  1. General thoughts for this approach? I'm sure i'm not the only one doing this but I couldn't find anything. Maybe I should just go RAID 10 or 5 or something :(
  2. Is there a specific bus type to handle 2x 1 Raid? How do i know if a DAS can handle this 2x Raid 1 configuration? is any JBOD good enough? Suggestions for affordable DAS?
  3. Raid controllers? Do i use Disk Utility or the DAS's softwareraid? Who's got the best notification of a failed drive?
  4. Speed - ideally i'd like NVMe as it's fast and future proof (i.e. I'll eventually get into 4k filming, maybe). Are there boxes that have NVMe and HDD? I couldn't find any. Would SSDs suffice (the 2.5" variety such as evos).

edited for clarity

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