I also had a 760 survive doing 17,000 nfs ops/second once. ...
When running compiles, it is not unusual for us to see numbers over 22,000 on the op-panel of our 760. Anyone know where the top end of an 840 is? Support has been unable to answer that one for us.
So in our move to an 840 I want to configure it's volume for maximum performance. The ground rules are two FC-AL adapters, seven full trays of 18G drives. All one volume is very desirable.
Now the SPECsfs97 benchmark on the 840 states:
* The F1 filesystem was composed of two RAID groups, each containing 17 data disks and one parity disk. Two spare disks were present
* The F1 filesystem was striped across both disk controllers
Since I have to assume that NetApp would use a high performance architecture for the benchmark I am guessing that this is the way to go, but there is quite a bit of detail missing.
Is it a good or bad idea to split a raid group over two FC-AL interfaces?
What does "striped across both disk controllers" mean?
If there are spare disks (same size) on both FC-AL interfaces and a disk fails Which one is used to rebuild? (Same FC-AL or random choice)
Is it a good or bad idea to split a volume over multiple FC-AL interfaces?
The need for speed
Graydon Dodson (606) 232-6483 grdodson@lexmark.com Lexmark International Inc.