Now that ken_at_ has checked in the SMR code I'm wondering how I can see whether it's having any effect. I have a 8TB SMR disk in a USB3 enclosure. Does the kernel emit any sort of trace to indicate that it sees the drive as SMR and takes that into account? I have the probe trace enabled in my kernel config, but I don't see anything special pop out when I turn the drive on. Does the fact that the drive appears as a /dev/daX play any role? BTW the disk returns an error when multiple LUNs are probed. -- Gary JennejohnReceived on Thu May 26 2016 - 04:43:05 UTC
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