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Forum Discussion
Readynas 104 drops out when copying to it
I have a readynas 104 configured with four 4tb drives in raid 5. I've managed to copy about 6tb onto the device without issue but now whenever I go to copy something onto the box, lets say a single 4...
If you can resize ext4 (with resize2fs ?), you can do it in several steps, resize, copy, delete original, resize, etc. All you need is a little more free space than your biggest file size, and a lot of patience...
That said the procedure was intended to replace BTRFS by BTRFS with better parameters, using another filesystem may not work as expected depending on how Netgear did all the interface/scripting.
That's no simple work (at least if you're not a linux adept, and you don't know what is partitioning and mounting), that's exactly why I didn't post any command, I want people to understand what they're doing, there is enough information for you to find the commands easily on the web, but you'll have do this willingly. This way I'm sure you won't be stuck because I just misspelled something (since I won't test on my NAS, can't be sure...).
Problem with EXT4 is that some features depend on BTRFS ; compression, defrag and snapshots at least. To keep that, Netgear would have to get LVM + EXT4 at least, maybe ZFS ? They just aimed the simplest way to do the job, it turned out that they were wrong. BTRFS has a somewhat special status. It's considered stable enough to be default in some linux distribution but is not recommended for professional use (I believe you found out why ;) ).
If you plan to correct the partition scheme manually, you may want to know that the web interface could just stop working entirely depending on how it's implemented. I believe they use BTRFS sub-volumes to create the shares, this way compress and snapshot should be easier to use (this explains why satz couldn't create the shares).
That said the procedure was intended to replace BTRFS by BTRFS with better parameters, using another filesystem may not work as expected depending on how Netgear did all the interface/scripting.
That's no simple work (at least if you're not a linux adept, and you don't know what is partitioning and mounting), that's exactly why I didn't post any command, I want people to understand what they're doing, there is enough information for you to find the commands easily on the web, but you'll have do this willingly. This way I'm sure you won't be stuck because I just misspelled something (since I won't test on my NAS, can't be sure...).
Problem with EXT4 is that some features depend on BTRFS ; compression, defrag and snapshots at least. To keep that, Netgear would have to get LVM + EXT4 at least, maybe ZFS ? They just aimed the simplest way to do the job, it turned out that they were wrong. BTRFS has a somewhat special status. It's considered stable enough to be default in some linux distribution but is not recommended for professional use (I believe you found out why ;) ).
If you plan to correct the partition scheme manually, you may want to know that the web interface could just stop working entirely depending on how it's implemented. I believe they use BTRFS sub-volumes to create the shares, this way compress and snapshot should be easier to use (this explains why satz couldn't create the shares).
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