e
different.
-Dan
// Jarkko
--
Dan Jones, Manager, Storage Products VA Linux Systems
V:(408)542-5737 F:(408)745-9911 1382 Bordeaux Drive
[EMAIL PROTECTED]Sunnyvale, CA 94089
ReadWrite
BW MB/s CPU BW CPU
RAID3 45.244% 6.8 5%
RAID5 46.245% 6.6 5%
RAID6(0+1) 39.639% 16.7* 14%
RAID0 50.550% 36.730%
* This is better
After talking to Dan Jones
is a non-issue.
--
Dan Jones, Storage Engineer VA Linux Systems
V:(408)542-5737 F:(408)745-9130 1382 Bordeaux Drive
[EMAIL PROTECTED]Sunnyvale, CA 94089
hours it's not unreasonable for a 1-second latency for the system to
come back up, provided that it provides full response after that.
--
Dan Jones, Storage Engineer VA Linux Systems
V:(408)542-5737 F:(408)745-9130 1382 Bordeaux Drive
[EMAIL
ions as motherboards draw most
of the +5V. However, drive requirements for +5V have decreased over
time while +12V loading has increased. Both older power supplies and
cheaper PS depend upon +5V being loaded sufficiently to provide good
regulation of all voltage outputs.
--
Dan Jones, Storage
. If you intervene i.e.
AltR atthe BIOS prompt, the controller aborts the recovery process
and does not provide and further guidance. You are then entirely on
your own and 9 times out of 10 will screw up. Or, is it 10 times out
of 10. I forget.
--
Dan Jones, Storage Engineer VA
om/hardsoft/diskdrdl/library/ultra3.htm
According to time honored SCSI tradition, a drive can call itself
Ultra3 SCSI if it implements any one of the new features of Ultra3.
--
Dan Jones, Storage Engineer VA Linux Systems
V:(408)542-5737 F:(408)745-9130 1382 B
that results from reducing the segment size
in the Mylex controller indicates to me that there remains a lot
of room for tuning in linux for sequential transfers.
--
Dan Jones, Storage Engineer VA Linux Systems
V:(408)542-5737 F:(408)745-9130 1382 Bordeaux Drive
[EMAIL
for that particular controller:
http://www.mylex.com/products/dac960/drivers/filmbios.html
There is a newer version of the DAC960 driver for 2.2.14:
http://www.dandelion.com/Linux/DAC960.html
--
Dan Jones, Storage Engineer VA Linux Systems
V:(408)542-5737 F:(408)745-9130
(170/2)KB
8 4.6620 11.9793 97.2662 16.6(170/2)KB Queuing?
16 4.8134 13.5368 99.7289 18.3(180/2)KB Queuing?
32 5.1743 12.9215 113.547 18.1(160/2)KB
64 5.1585 12.3916 117.426 17.5(150/2)KB uP loading?
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Dan Jones, Storage Engineer
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