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тАО09-24-2001 06:35 AM
тАО09-24-2001 06:35 AM
NetRaid 1M
In two (new) servers (E800, LC2000) we have a NetRaid 1M installed.
E800: RAID 1
LC2000: RAID 5
On both systems is SCO Openserver Enterprise 5.0.6 installed.
Harddisk performance on both systems is very poor!
When we make a 200MB file without the RAID-controller, this is done in 20sec. Same test with controller: 2 minutes! This is not good.
I think it has something todo with the driver?!?!
Firmware controller; H.01.08
Firmware HDD: 80-CX03
These are all the latest.
SCO Driver is from the Netserver CD (M.04.00)
Please help, I've got two servers which are not performing as they should!
Thanks,
Patrick van Vugt
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тАО09-24-2001 09:01 AM
тАО09-24-2001 09:01 AM
Re: NetRaid 1M
What do you mean when you say making files with/without the RAID controller?
Regards,
Xavi
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тАО09-24-2001 11:30 AM
тАО09-24-2001 11:30 AM
Re: NetRaid 1M
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тАО09-24-2001 10:47 PM
тАО09-24-2001 10:47 PM
Re: NetRaid 1M
First I use the on-board SCSI-controller to make the test file of 200MB
Second I use the HP NetRaid 1M controller to make the test file of 200MB.
200MB with on-board SCSI: 20sec
200MB with NetRaid 1M: 120sec
That's 6x longer!
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тАО10-25-2001 11:11 PM
тАО10-25-2001 11:11 PM
Re: NetRaid 1M
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тАО11-13-2001 12:24 AM
тАО11-13-2001 12:24 AM
Re: NetRaid 1M
Performance is very poor on the RAID controller.
Does anyone know the reason why or have a solution for this ?
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тАО11-13-2001 12:34 AM
тАО11-13-2001 12:34 AM
Re: NetRaid 1M
There is a amirdmon-process that you should kill. You can disable to startup the process by editing /etc/conf/rc.d/amird
Then you must set the write policy to write-back. This is the tricky part! Because the 1M doesn't support a battery backup you should have a good UPS!!!
We haven't received or heard anything official from HP yet. When I got a official solution I will post it here.
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тАО11-13-2001 04:41 AM
тАО11-13-2001 04:41 AM
Re: NetRaid 1M
If you aren't, I will !
Regards
Paul
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тАО02-12-2002 09:37 PM
тАО02-12-2002 09:37 PM
Re: NetRaid 1M
Are you saying I can simply kill the amird daemon and the system will continue to run? Do I use the firmware setup feature to modify the "write-back" setting?
What will happen if a drive dies? Isn't it the amird's job to interact with the O/S on such occasions?
This information is invaluable, as the client is upgrading from an older Netserver that is currently running FASTER!!
Thanks much.
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тАО02-13-2002 11:30 AM
тАО02-13-2002 11:30 AM