Meta server: handle potential race with fsck log reply and meta server closing current segment and opening a new one by checking if the next segment exists prior to attempting opening it.
Meta server: handle potential race with fsck log reply and meta server closing current segment and opening a new one by checking if the next segment exists prior to attempting opening it.

quantcast/qfs,quantcast/qfs,quantcast/qfs,quantcast/qfs,quantcast/qfs,quantcast/qfs,quantcast/qfs,quantcast/qfs