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07-20-2011 09:33 AM - edited 08-23-2011 04:31 AM
07-20-2011 09:33 AM - edited 08-23-2011 04:31 AM
ILO3 incredible slow on VSP
Hi,
We are running DL585G7 / ILO3 with RHEL5.6. Of course we use VSP as we did on older ILO2 and ILO machine.
It works, but the kernels output is really slow, also the regular output to ttyS0 is slower than on ILO2
We've set 115200 wherever possible, but still no luck.
(wherever means ILO3, BIOS, grub.conf, kernel command line).
I think it gets even worse when one uses VSP and the (Java) Integrated Remote Console in parallel.
Also ipmi is really slow, here comparsion with ILO2:
$ time ipmitool -H ilo3 -I lanplus -U admin -P XXX fru
FRU Device Description : Builtin FRU Device (ID 0)
Chassis Type : Rack Mount Chassis
Chassis Serial : GB80323H9N
Board Mfg : HP
Board Product : ProLiant DL585 G7
Board Serial : GB80323H9N
Board Part Number : 590480-B21
Product Manufacturer : HP
Product Name : ProLiant DL585 G7
Product Part Number : 590480-B21
Product Serial : GB80323H9N
Product Asset Tag :
real 0m7.347s
user 0m0.007s
sys 0m0.007s
$ time ipmitool -H ilo2 -I lanplus -U admin -P XXX fru
FRU Device Description : Builtin FRU Device (ID 0)
Chassis Type : Rack Mount Chassis
Chassis Part Number : 455349-B21
Chassis Serial : GB8821NF6P
Board Mfg : HP
Board Product : ProLiant DL585 G5
Board Serial : GB8821NF6P
Board Part Number : 455349-B21
Product Manufacturer : HP
Product Name : ProLiant DL585 G5
Product Part Number : 455349-B21
Product Serial : GB8821NF6P
Product Asset Tag :
real 0m0.488s
user 0m0.001s
sys 0m0.003s
One can estimate the effects on ipmi sol sessions.
Is someone else facing this issue as well?
Any glue howto overcome this one?
thanks,
bernhard
EDITED: added ipmi facts
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07-27-2011 06:50 AM
07-27-2011 06:50 AM
Re: ILO3 incredible slow on VSP
I've got the same issue and I've reported it 1 year ago ...
On few G7 servers the VSP is in color mode and fast, I can't figure why.
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08-08-2011 01:07 PM
08-08-2011 01:07 PM
Re: ILO3 incredible slow on VSP
Can you guys please test the iLO3 1.26 beta that I uploaded to the below FTP site? We tweaked VSP a bit, it is still slow during GRUB as this software won't use the UART FIFO but, it should be a lot faster once Linux is up and running.
FTP Access: ftp://tempilo3:1wantiLO@ftp.usa.hp.com/
or: ftp://tempilo3:1wantiLO@15.192.32.78/
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08-25-2011 12:59 AM
08-25-2011 12:59 AM
Re: ILO3 incredible slow on VSP
Thanks for pointing to the latest test firmwares, but we found that we faced another issue here.
BIOS managed to reset the speed automatically back to 9600 when rebooting the server with a VSP session attached.
So it didn't help that I set it manually to 115200 :)
The workaround to resolve this issue is setting the BIOS_Console fixed to COM1 instead of "AUTO".
Then the BIOS_Baud_Rate stays 115200 during reboots with vsp attached.
(HP 4632988444)
But still we face some performance problems (even with 1.26) when writing to /dev/console (from RHEL5.6):
When writing about 40k to /dev/console (dmesg output):
# dmesg | wc
1101 8712 44256
; No user attached to VSP
# time dmesg > /dev/console
real 0m0.663s
user 0m0.003s
sys 0m0.010s
; User attached to VSP via ssh
# time dmesg > /dev/console
real 0m2.953s
user 0m0.001s
sys 0m0.010s
; User attached to VSP via ipmi (just tested for academical reasons)
# time dmesg > /dev/console
real 0m17.533s
user 0m0.006s
sys 0m0.007s
regards,
bernhard
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08-26-2011 06:13 AM
08-26-2011 06:13 AM
Re: ILO3 incredible slow on VSP
How about the new iLO3 1.26 VSP compared against the physical COM port on the same server when set to 115200?
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01-30-2013 12:05 PM
01-30-2013 12:05 PM
Re: ILO3 incredible slow on VSP
Hi Bernhard,
Did you ever get a resolution on your case 4632988444, regarding the speed change after a reboot?