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 Related Questions Latest Answer : Multiplexing Redo log file called Mirroing. ( Keeping multiple copies in different disks) ... Latest Answer : Disk shadowing or mirroring is done either using a software or a hardware utility called RAID. Disk shadowing enables another disk to take-over from a failed hard disk avoiding any downtimes. Generally Hardware fial-overs are enabled on all servers. ... It is possible to use raw devices as data files and what is the advantages over file. system files ? Yes. The advantages over file system files. I/O will be improved because Oracle is bye-passing the kernnel which writing into disk.Disk Corruption Process of having a copy of redo log files is called mirroring. This can be achieved by creating group of log files together, so that LGWR will automatically writes them Shadow set of disks save as a backup in the event of disk failure. In most Operating System if any disk failure occurs it automatically switchover to place of failed disk. Improved Latest Answer : RAM means Random access memory, which is used as a temporary memory space to load Operating system kernel, driver modules and services needed on the system. Whenever you switch off the system all the RAM memory contents are lost. Hard disks are for permanent ...
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