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On Wednesday, August 17, 2016 11:26:13 PM Neil Bothwick wrote: |
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> I'm putting together a new desktop using a Samsung SM951 NVMe drive. I |
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> booted sysrescd, partitioned the drive and ran |
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> |
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> mkfs.btrfs /dev/nvme0n1p3 |
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> mount /dev/nvme0n1p3 /mnt/custom |
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> |
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> df -T, mount and findmnt all show this is mounted as a btrfs filesystem, |
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> e.g. |
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> |
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> /dev/nvme0n1p3 on /mnt/custom type btrfs (rw,relatime,ssd,space_cache) |
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> |
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> I can create files in here but cannot do anything btrfs-y |
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> |
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> % btrfs filesystem show /mnt/custom |
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> ERROR: not a valid btrfs filesystem: /mnt/custom |
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> |
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> % btrfs subvolume create /mnt/custom/test |
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> Create subvolume '/mnt/custom/test' |
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> ERROR: cannot create subvolume: Inappropriate ioctl for device |
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> |
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> Google has been no help at all. |
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Neil, |
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I've got a similar drive in my desktop and it actually works. |
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Difference: I am using Ext4. |
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Can you try Ext4 and see if it works? |
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Next test: Does it work with a non-NVMe drive? |
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Also, which kernel version? |
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-- |
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Joost |
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