Method and circuit for replicating data in a fiber channel network, or the like

   
   

A Fiber Channel circuit (150) has a Fiber Channel switch (152) that receives data frames on input ports (142) and writes the frames to a data storage device (158) from an output port (156) A port server (162) backs up the frames to a data storage backup device (160) by reading data volumes from the data storage device (158) and writing backup copies of at least some of the read data volumes to the data storage backup device (160) A data monitor (166) receives the frame data from the output port and applies it to the data storage device (158) The data monitor (166) also applies it to the port server (162) The port server (162) identifies frames in the volume that have been changed during the backup process. The identified frames are either reread from the data storage array (158), or from a memory (168) associated with the port server (162), and written to the data storage backup device (160).

Un circuito del canal de la fibra (150) tiene un interruptor de canal de la fibra (152) que reciban marcos de los datos en los puertos de la entrada (142) y escriban los marcos a un dispositivo de almacenaje de datos (158) de un servidor portuario del puerto de salida (156) A (162) sostiene los marcos a un dispositivo de reserva del almacenaje de datos (160) por los volúmenes de los datos de lectura de las copias de reserva del dispositivo (158) y de la escritura de almacenaje de datos por lo menos de algunos de los volúmenes de los datos leídos al almacenaje de datos que el control de datos del dispositivo de reserva (160) A (166) recibe los datos del marco del puerto de salida y los aplica al dispositivo de almacenaje de datos (158 ber Channel circuit (150) has a Fiber Channel switch (152) that receives data frames on input ports (142) and writes the frames to a data storage device (158) from an output port (156) A port server (162) backs up the frames to a data storage backup device (160) by reading data volumes from the data storage device (158) and writing backup copies of at least some of the read data volumes to the data storage backup device (160) A data monitor (166) receives the frame data from the output port and applies it to the data storage device (158) El control de datos (166) también lo aplica al servidor portuario (162) que el servidor portuario (162) identifica los marcos en el volumen que se han cambiado durante el proceso de reserva. Los marcos identificados son cualquiera releídos del arsenal de almacenaje de datos (158), o de una memoria (168) asociada al servidor portuario (162), y escrita al dispositivo de reserva del almacenaje de datos (160).

 
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