https://www.veritas.com/support/en_US/article.100013912 Problemudevd-work error and Buffer I/O error or only udevd-work error are logged in the /var/log/messages before backups of System Recovery Linux Edition complete. Error Messageudevd-work[PID]: error opening ATTR{/sys/devices/virtual/block/snapX_X/queue/iosched/slice_idle} for writing: No such file or directoryudevd-work[PID]: error opening..