hi,
also posted on centos forum but thought i may get some help here.
https://www.centos.org/modules/newbb/viewtopic.php?topic_id=30236&start=0#forumpost126602
New to ESXi, linux and centos. My tests below suggests that the vmware supplied drivers have a major problem in centos 5.5. Not tried another distro yet. W8K Server fine.
Searched both forums. Googled for hours. Found...
http://nwsmith.blogspot.com/2010/07/patching-vmxnet-to-disable-lro.html (not good enough at linux yet, but do not want to self patch only to get replaced by next update)
http://www.blogger.com/comment.g?blogID=4685462481734307117&postID=6574425322668626825 (reply to first link, which I tried to no avail)
Setup (newly built lab)
ML115 G5, 2.1 quad, 4gb, onboard Broadcom nc105i nic and hp nc360t dual port nic.
Esxi 4.1 (patched to recent complete update 1 inc. guest tools updated still problem)
2 x Centos 5.5 x64 guests
1 x W8k R2 svr x64 guest
Default vswitch
One cat5e cable from ESXi host to basic 100MBps switch (Cisco WRT160N router) used for all tests.
Test copy 1GB file from win7 PC.
GUEST Centos 5.5 x64 (e1000) + Samba server
hp nc360t vmnic0 45 MBps
hp nc360t vmnic1 0.8 MBps
Broadcom nc105i vmnic2 95 MBps
GUEST Centos 5.5 x64 (vmxnet2)
hp nc360t vmnic0 45 MBps
hp nc360t vmnic1 0.8 MBps
Broadcom nc105i vmnic2 95 MBps
Note:
Very spiky utilisation.
To max b/w I have to copy multiple files. i.e. 1 file 45MBps 2 files 64 MBps, etc... both nics.
GUEST Windows 2008 x64 R2 (vmxnet2)
hp nc360t vmnic0 99 MBps
hp nc360t vmnic1 99 MBps
Broadcom nc105i vmnic2 99MBps
Note:
smooth utilisation.
1 file max b/w.
Test copy 1GB file from guest to guest across vswitch.
Centos 5.5 x64 (e1000) to Centos 5.5 x64 (vmxnet2) 90 MBps
Centos 5.5 x64 (vmxnet2) to Centos 5.5 x64 (e1000) 90 MBps
Windows 2008 x64 R2 (vmxnet2) to Centos 5.5 x64 (vmxnet2) 90 MBps
Test copy 1GB from win7 to HOST /tmp using SCP
Win7 to hp nc360t 90 MBps
Want to get straight lab before learning ESXi, linux and etc...
