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M52755FP Datasheet | Mitsubishi Electric Semiconductor
Part No. : M52755FP
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CREATE TABLESPACE RAW_TS DATAFILE "/ dev/raw1" size 30712k DATAFILE "/ dev/raw2" size 30712k; 10.Oracle raw device block size, and what relationship? Oracle will bare the device must be a multiple of the physical block size. The bare device, can not use the Unix utility to back up, the only way is to use the basic Unix commands: DD to backup. For example: dd if = / dev/raw1 of = / dev/rmt0 bs = 16k. dd can refer to the specific syntax of unix manual or online help. You can also use dd to raw device before the data file backup to disk, and then further processed using Unix utilities. 12. If I do not use the Oracle parallel server option, I can make some of the data in the database file using the file system, another part of the use of raw devices? Can. But this is the case, make the backup process more complicated. 13. I should be online redo log files on raw devices it? This is an excellent choice. Online redo log file is very frequently write files into the bare device is very appropriate. If you are using a parallel server option, then the online redo log files must be placed above the bare device.
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