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тАО01-30-2003 12:08 PM
тАО01-30-2003 12:08 PM
oracle program files copy takes long time
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тАО01-30-2003 12:11 PM
тАО01-30-2003 12:11 PM
Re: oracle program files copy takes long time
Is the disk set up for raid 10 or raid 5? On our array both settings are possible. There is a hugely noticeable performance penalty for using Raid 5.
If the transfer does succeed then largefiles is obviously set correctly.
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тАО01-30-2003 12:13 PM
тАО01-30-2003 12:13 PM
Re: oracle program files copy takes long time
What are you using to copy the files ???
live free or die
harry
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тАО01-30-2003 12:35 PM
тАО01-30-2003 12:35 PM
Re: oracle program files copy takes long time
Are the filesystems VxFS ones with different mount options? If so, that could make a noticable difference.
Regards!
...JRF...
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тАО01-30-2003 01:15 PM
тАО01-30-2003 01:15 PM
Re: oracle program files copy takes long time
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тАО01-30-2003 01:22 PM
тАО01-30-2003 01:22 PM
Re: oracle program files copy takes long time
I have noticed same problem. The Oracle product files taakes longer time to copy as some root processes or Oracle processes keep the library files open. If you shutdown the database there is no open connection to u2-u5, so it is first. Try using fuser -cu
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тАО01-30-2003 01:26 PM
тАО01-30-2003 01:26 PM
Re: oracle program files copy takes long time
Assumptions are inherently risky. Just because they were created at the same time does not guarantee they're mounted the same way.
It's common practice to set different mount options (mincache=direct, convosync=direct, etc.) to improve performance on Oracle data & index extents. But these come at the cost of slower "normal" OS operations - like copies.
Check your mount options for these FSs in /etc/fstab.
Rgds,
Jeff
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тАО01-30-2003 01:39 PM
тАО01-30-2003 01:39 PM
Re: oracle program files copy takes long time
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тАО01-30-2003 04:02 PM
тАО01-30-2003 04:02 PM
Re: oracle program files copy takes long time
Brian
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тАО02-03-2003 01:26 PM
тАО02-03-2003 01:26 PM
Re: oracle program files copy takes long time
2) Are you using cpio to copy the files?
3) You could also extend the filesystem to a mirror copy online and then when you're ready to duplicate the filesystem, just shutdown the database, break the mirror, and mount the mirror LVs as separate filesystems.
-greg