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New USB external disk WD 8 TB does not connect
Hello, I have a 5 year old RND314 thajt works well and I have just bought a new WD My Book 8 TD external disk for backkup. Previousl I have WD 4 TB. The new externa disk I have tested with my Ma...
The problem is that the NAS doesn't support exfat. https://kb.netgear.com/7009/ReadyNAS-OS-6-USB-Port-use
NTFS is the best option if you use a PC. Though I think with a Mac, you'd either need access to a Windows system, or get a third-party package that will let you do the formatting on a Mac.
janpeter1 wrote:
Then back at my home-office I reformatted to BTRFS
Can you access the BTRFS file system on your PCs? If not, then I suggest going back to NTFS. Having backups you can't read on your other devices isn't a good backup strategy.
I actually run macOS but it can read NTFS disks.
However I run virtual machines with Windows 10 (and also one for Linux-Ubuntu).
Use VirtualBox. I think I can configure the VM Ubuntu to interact with a BTRFS disk,
but not done it yet. Understandt that you need to have ECC RAM to fully enjoy bit-rot protection.
But I guess some safety is better upheld with both NAS and external backup is BTRFS.
If you have som information here I would apprecite.
As you say it can be practical to have at least one backup with NTFS.
Usually I have two with different file systems. Today the other ist EXT4 but
also need av VM Ubunto to read it and some configuration to connect the VM
to the USB-disk.
I was surprised that the NAS also can write to NTFS - I have missed that.
No special draw-backs?
janpeter1 wrote:I was surprised that the NAS also can write to NTFS - I have missed that.
No special draw-backs?
It can also read NTFS again - just kidding.
The NTFS drivers on non-Windows NAS are mostly "read-all" and "write-all" - most NTFS security and access control is non-existent.
Restore does not bring back any special ownership, U**x masks, or ACLs back to the NAS.
janpeter1 wrote:
I was surprised that the NAS also can write to NTFS - I have missed that.
No special draw-backs?
I think the key point is that you need to be able to read your backup on at least one other machine. If you can read ext or btrfs, then it's fine to use those formats.
As far as file attributes and permissions go - I'd start with the question of what attributes matter to you. Then do a test backup or two, and see if those are preserved [or not]. Probably worth checking no matter what file system you pick.
Personally I back up to other ReadyNAS using rsync - which will preserve the file attributes. I don't have recent experience with backing up to USB disks.
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