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тАО04-23-2002 08:59 AM
тАО04-23-2002 08:59 AM
I need to copy/move around 300Gb of oracle datafiles (150 raw datafiles approx) from one Symm frame to another symm frame. I have the choice of either doing a backup/restore of the files from the old to new symm or doing a dd of the files.
Any idea on which one would be faster?
Also, if i use dd can i use a bs larger than 8k ? (since oracle block size is 8k).
thanks
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тАО04-23-2002 10:02 AM
тАО04-23-2002 10:02 AM
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тАО04-23-2002 10:12 AM
тАО04-23-2002 10:12 AM
Re: dd-rawfiles
peace.....
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тАО04-23-2002 10:56 AM
тАО04-23-2002 10:56 AM
Re: dd-rawfiles
Thanks clay. Another question, can the target raw lv size be slightly *larger* than the source raw lv or should the source and target be exact size for the dd to work correctly?
I ask this query, because i saw a few earlier posts on this subject mentioning that the sizes should be exact, which doesn't make sense. I have rounded the target lvs to 2048, whereas there are source lvs with sizes of 2000,2047 and so on.
Yates - Mirroring is not an option , for some other reasons in this case.
thanks
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тАО04-23-2002 11:14 AM
тАО04-23-2002 11:14 AM
Re: dd-rawfiles
If you ahve two symmtrix frames are they connected may be you can use SRDF , or in case you have two hosts connected across the frames then you can use BCV's to copy and restore across the frames.
Manoj Srivastava
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тАО04-23-2002 11:15 AM
тАО04-23-2002 11:15 AM