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Home -> Community -> Mailing Lists -> Oracle-L -> RE: 1 Volume of Software RAID 1+0 versus Multiple Volumes of Soft
Would you happen to know how the software layer that combined LUNs to make it look like a large file system was enabled? We're experiencing similar issues with one of our Clarion arrays.
TIA
Tony Aponte
-----Original Message-----
Sent: Wednesday, October 29, 2002 9:13 PM
To: Multiple recipients of list ORACLE-L
Soft
Yes - and I just completed stress-testing an OLTP database were we went from 2 distinct 'filesystems' for data files to 12 separate filesystems. Average wait times for I/O dropped from 40 - 50 msec (yes 40 - 50 msec!) to about 10 - 13 msec. All this was on a Disk Array and all we did was to convince the SAs to chop it up this way. Apparently, some software layers at the Array level that 'combined' LUNs to make it look like a lar
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Author: Aponte, Tony
INET: AponteT_at_hsn.net
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