Is there a way to disable write cache on NVMe devices using udisks? #1240
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NVMe support has been added recently to Udisks daemon but there are no NVMe-specific settings in |
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Replies: 2 comments 2 replies
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We currently don't support that. The NVMe support is for now limited to SMART (health and self tests) and secure erase. I am not sure about the future plans, @tbzatek? |
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NVMe support in UDisks is currently limited to a couple of features and the intention has always been to add new features per "as-needed" basis. We just need a feedback/request just like you do here. I'll put this on a TODO list then, the API might be perhaps similar to the However, what we're not going to do, is to provide extensive NVMe functionality in |
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There are two reasons why I am asking the question. First, write cache feature is not persisted, at least in my disk's controller. This means I have to For now I don't see a reason for having other NVMe options available for Udisks. |
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For context: being able to disable write cache seems to be a workaround for faulty disks combined with BTRFS, which is the default file system for Fedora. That's how I went here. https://wiki.tnonline.net/w/Btrfs/Parent_Transid_Verify_Failed |
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NVMe support in UDisks is currently limited to a couple of features and the intention has always been to add new features per "as-needed" basis. We just need a feedback/request just like you do here. I'll put this on a TODO list then, the API might be perhaps similar to the
org.freedesktop.UDisks2.Drive.Atainterface.However, what we're not going to do, is to provide extensive NVMe functionality in
udisksctl. You should be usingnvme-clidirectly for that, it's the common code (provided bylibnvme) behind that after all.