Re: [PERFORM] Areca 1260 Performance

2006-12-07 Thread Ron
At 11:02 AM 12/7/2006, Gene wrote: I'm building a SuperServer 6035B server (16 scsi drives). My schema has basically two large tables (million+ per day) each which are partitioned daily, and queried independently of each other. Would you recommend a raid1 system partition and 14 drives in a rai

Re: [PERFORM] Areca 1260 Performance

2006-12-07 Thread Gene
I'm building a SuperServer 6035B server (16 scsi drives). My schema has basically two large tables (million+ per day) each which are partitioned daily, and queried independently of each other. Would you recommend a raid1 system partition and 14 drives in a raid 10 or should i create separate parti

Re: [PERFORM] Areca 1260 Performance

2006-12-07 Thread Shane Ambler
One thing that is clear from what you've posted thus far is that you are going to needmore HDs if you want to have any chance of fully utilizing your Areca HW. Do you know off hand where I might find a chassis that can fit 24[+] drives? The last chassis we ordered was through Supermicro, and t

Re: [PERFORM] Areca 1260 Performance

2006-12-07 Thread Ron
At 03:37 AM 12/7/2006, Brian Wipf wrote: On 6-Dec-06, at 5:26 PM, Ron wrote: All this stuff is so leading edge that it is far from clear what the RW performance of DBMS based on these components will be without extensive testing of =your= app under =your= workload. I want the best performance

Re: [PERFORM] Areca 1260 Performance

2006-12-07 Thread Brian Wipf
On 6-Dec-06, at 5:26 PM, Ron wrote: At 06:40 PM 12/6/2006, Brian Wipf wrote: I appreciate your suggestions, Ron. And that helps answer my question on processor selection for our next box; I wasn't sure if the lower MHz speed of the Kentsfield compared to the Woodcrest but with double the cores w

Re: [PERFORM] Areca 1260 Performance

2006-12-06 Thread Ron
At 06:40 PM 12/6/2006, Brian Wipf wrote: I appreciate your suggestions, Ron. And that helps answer my question on processor selection for our next box; I wasn't sure if the lower MHz speed of the Kentsfield compared to the Woodcrest but with double the cores would be better for us overall or not.

Re: [PERFORM] Areca 1260 Performance

2006-12-06 Thread Brian Wipf
I appreciate your suggestions, Ron. And that helps answer my question on processor selection for our next box; I wasn't sure if the lower MHz speed of the Kentsfield compared to the Woodcrest but with double the cores would be better for us overall or not. On 6-Dec-06, at 4:25 PM, Ron wrote

Re: [PERFORM] Areca 1260 Performance (was: File Systems

2006-12-06 Thread Ron
The 1100 series is PCI-X based. The 1200 series is PCI-E x8 based. Apples and oranges. I still think Luke Lonergan or Josh Berkus may have some interesting ideas regarding possible OS and SW optimizations. WD1500ADFDs are each good for ~90MBps read and ~60MBps write ASTR. That means your 16

Re: [PERFORM] Areca 1260 Performance (was: File Systems Compared)

2006-12-06 Thread Brian Wipf
On 6-Dec-06, at 2:47 PM, Brian Wipf wrote: Hmmm. Something is not right. With a 16 HD RAID 10 based on 10K rpm HDs, you should be seeing higher absolute performance numbers. Find out what HW the Areca guys and Tweakers guys used to test the 1280s. At LW2006, Areca was demonstrating all-i