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I am using Gentoo on a HP DL380 G3. Intel Xeon (P4) 3.06ghz processors, with a HP COMPAQ CCISS ARRAY in RAID 0 mode (hardware, linux just sees one single ...
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- 04-11-2009 #1
- Join Date
- Apr 2009
2.6.27 - 2.6.29 upgrade.. RAID 0 CCISS now slower
with a HP COMPAQ CCISS ARRAY in RAID 0 mode (hardware, linux just sees one single drive)
hdparm on 2.6.27 shows the speed at ~ 130mbs
After performing an upgrade of the kernel
hdparm on 2.6.29 shows the speed at ~ 30mbs (30-50mbs varies)
I looked at the DMESG comparisons,
and the only difference is that 2.6.29 mentions:
"IRQF_DISABLED is not guaranteed on shared IRQs"
Now I have looked for hours to see if it was a configuration issue, but to no avail.