Clemens-- I'm sorry for this experience; I've added discard to my list of things to review. I suggest avoiding discard for bcache; since the cache device grows until it is nearly full and is kept in that state, there is little benefit from it. Mike On Mon, Nov 6, 2017 at 2:04 AM, Clemens Eisserer <linuxhippy@xxxxxxxxx> wrote: > Hi, > > After using bcache for 9 months without any issues, I discovered the > "discard" flag for the caching device. > Running 4.13.5 I gave it a try, however after reboot the caching > device failed to register with: > > At reboot bcache failed with: > prio_read() bad csum reading priorities > prio_read() bad magic reading priorities > > The SSD used as caching device was a OCZ-OCTANE with the latest > firmware, which worked (and works) flawlessly for years and has no > SMART issues. > > Best regards, Clemens > -- > To unsubscribe from this list: send the line "unsubscribe linux-bcache" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
