JP Posted January 6, 2023 Share Posted January 6, 2023 I just received a utilization warning for Drive 1 from Unraid. I don't think I've ever had one before. I took a look and as you can see below, something doesn't feel right. All data seems to be loading up on Drive 1 and I can't figure out why. I've had Unraid I think running for over a decade and I'm sort of stickler for leaving everything at default. Basically, I'm not going into Unraid and asking it to put specific data on a specific drive or anything like that. I've always let Unraid decide that for me. Is this normal, and if not, is there something I should do to resolve it? tower-diagnostics-20230106-1206.zip Quote Link to comment
Solution Kilrah Posted January 6, 2023 Solution Share Posted January 6, 2023 (edited) The default is high-water, if a share is set to say split between disk1 and disk2 it'll start writing on disk2 once free space on disk1 is less than half the free space of disk2. So looking at that screenshot if it was the case above it'd start writing on disk2 pretty soon, seems normal. Edited January 6, 2023 by Kilrah 1 Quote Link to comment
ljm42 Posted January 6, 2023 Share Posted January 6, 2023 You can read about the different allocation methods here: https://wiki.unraid.net/Manual/Shares#Allocation_method Quote Link to comment
JP Posted January 6, 2023 Author Share Posted January 6, 2023 8 minutes ago, Kilrah said: The default is high-water, if a share is set to say split between disk1 and disk2 it'll start writing on disk2 once free space on disk1 is less than half the free space of disk2. So looking at that screenshot if it was the case above it'd start writing on disk2 pretty soon, seems normal. So if I'm reading this correctly, my Disk 2 has 2 TB of free space. Half that is 1 TB. Once Disk 1 reaches 1 TB of free space it will start to fall over to Disk 2. Is that accurate? If that is accurate, then I guess this is all normal, which is awesome news. Quote Link to comment
JorgeB Posted January 6, 2023 Share Posted January 6, 2023 21 minutes ago, JP said: So if I'm reading this correctly, my Disk 2 has 2 TB of free space. Half that is 1 TB. Once Disk 1 reaches 1 TB of free space it will start to fall over to Disk 2. Is that accurate? Yep, assuming high-water is selected. Quote Link to comment
JP Posted January 6, 2023 Author Share Posted January 6, 2023 1 minute ago, JorgeB said: Yep, assuming high-water is selected. Thank you! Yes, High-Water is selected for all my shares. Quote Link to comment
JP Posted January 6, 2023 Author Share Posted January 6, 2023 14 minutes ago, trurl said: Thanks for this. I guess I need to bite the bullet and find a way to get away from REISERFS. These instructions should help me. Thanks again. Quote Link to comment
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