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02-24-2012 02:15 AM
02-24-2012 02:15 AM
Hi experts,
We ran SQL server with chimney offload = disabled before 2/23 on HP dl980 with Emulex NC550SFP and teaming(802.3ad) and I observed many connections broken(SQL error 10054).
We decided to change chimney offload = automatic. After setting chimney offload to automatic, I found another issue occurred. SQL server memory is trimmed out from time to time and this impacts performance a great deal.
Is this a driver bug on NC550SFP(v4.0.360.8, the latest)? Or is there any special settings I should take care when teaming/chimney offload is enabled?
2012/02/21 04:22:59 tccap45_TCP_45 03100158 ZQDRM043 BY M SQL error 10054 occurred; work process in reconnect status
2012/02/21 04:22:59 tccap45_TCP_45 03100158 ZQDRM043 BY Y Work process has left reconnect status
n>Work process has left reconnect status
Solved! Go to Solution.
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02-24-2012 06:07 AM
02-24-2012 06:07 AM
Re: Very large SQL server memory is trimmed out when chimney offload is automatic(NC550SFP)
Hi..
here is a HP Best practice for dl980 g7 and SQL. We are running our dl980 g7 with rss on and chimney automatic, we don't use the latest drivers yet but i don't think we have any server memory trimming that i know of..
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02-28-2012 07:29 PM