-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 11/7/2014 10:36 PM, Phil Turmel wrote: > However, if the device with the bad sector is trying to recover > longer than the linux low level driver's timeout, bad things^TM > happen. Specifically, the driver resets the SATA (or SCSI) > connection and attempts to reconnect. During this brief time, it > will not accept further I/O, so the write back of the reconstructed > data fails. Then the device has experienced a *write* error, so MD > fails the drive. This is the out-of-the-box behavior of > consumer-grade drives in raid arrays. What? During the recovery action ( reset and retry ), a write being issued to the drive should just sit in the request queue until after the drive finishes being reset; it should not just be failed outright. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (MingW32) iQEcBAEBAgAGBQJUgLX+AAoJENRVrw2cjl5RHb4H+wWzuTFekQMwIoX7Vov5QjLh XyEmgbwqgtdcnsbQqtnNiQK0k8KVxQDW3xzWkB30PkOjWMfldES3dRjFXuNbZ0r1 FnJeIYbChFBnfJLp/BqHHOnL5YHD81HvENJ4M/OW6t9SpSiFuOieFe7WTEwHoh5t t9v/J0+x84CQu1q/AF7FRMkLE1fYhZieAMLTyKhbo5TmMm5XSP8eXumMCz+PXmvV tVN6rYejSozl1wfwa0l4N9jwkyYWLgbzFRIR7PuQNacywFyLhg0WtIPnqjNV6YuL rAl5VBFbHEn6BwklgxDWkzSIuOIt2ce6KIE0JZtqTGlDajhSUM+ojTPALLFcmLE= =4mKS -----END PGP SIGNATURE----- -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
