The server is using ports 18 and 19 and those port are configured with speed 1000
LH26876_SW2#sh run int g 0/18 ! interface GigabitEthernet 0/18 description LH28765_3 no ip address speed 1000 ! port-channel-protocol LACP port-channel 3 mode active no shutdown LH26876_SW2#sh run int g 0/19 ! interface GigabitEthernet 0/19 description LH28765_3 no ip address speed 1000 ! port-channel-protocol LACP port-channel 3 mode active no shutdown LH26876_SW2# ------------------------------ Is it alright ? Regards. Shahzaib On Sun, Jan 31, 2016 at 11:18 PM, shahzaib shahzaib <shahzaib...@gmail.com> wrote: > Hi, > > Thanks a lot for response. Now i am doubting that issue is on network > layer as i can examine lots of retransmitted packets in netstat -s output. > Here is the server's status : > > http://prntscr.com/9xa6z2 > > Following is the thread with same mentioned issue : > > > http://serverfault.com/questions/218101/freebsd-8-1-unstable-network-connection > > This is what he said in thread : > > "I ran into a problem with Cisco Switchs forcing Negotiation of network > speeds. This caused intermittent errors and retransmissions. The result was > file transfers being really slow. May not be the cases, but you can turn of > speed negotiation with miitools (if I recall correctly, been a long time). > " > > >>Can you replicate using ftp, scp? > Yes, we recently tried downloading file over FTP and encountered the same > slow transfer rate. > > >>What's the output of zpool iostat (and the overal zpool/zfs > configuration)?Also do you have ZFS on top of hardware raid ? In general > just 12 SATA disks won't have a lot of IOps (especially random read) unless > it all hits ZFS Arc (can/should be monitored), even more if there is a > hardware raid underneath (in your place would flash the HBA with IT > firmware so you get plain jbods managed by ZFS). > > zpool iostat is quite stable yet. We're using HBA LSI-9211 , so its not > hardware controller as FreeBSD recommends to use HBA in order to directly > access all drives for scrubbing and data-integrity purposes. Do you > recommend Hardware-Raid ? Following is the scrnshot of ARC status : > > http://prntscr.com/9xaf9p > > >>How is your switch configured? How are the links negotiated, make sure > both sides of both links are full duplex 1gig. Look for crc or input errors > on the interface side. > On My side, i can see that both interfaces have Fully-Duplex port. > Regarding crc / input errors, is there any command i can use to check that > on FreeBSD ? > > Regards. > Shahzaib > > > On Sun, Jan 31, 2016 at 11:04 PM, Payam Chychi <pchy...@gmail.com> wrote: > >> Hi, >> >> Forget the application layer being the problem until you have >> successfully replicated the problem in several different setups. >> >> Are you monitoring both links utilization levels? Really sounds like a >> network layer problem or something with your ip stack. >> >> Can you replicate using ftp, scp? >> >> How is your switch configured? How are the links negotiated, make sure >> both sides of both links are full duplex 1gig. Look for crc or input errors >> on the interface side. >> >> How many packets are you pushing? Make sure the switch isnt activating >> unicast limiting. >> >> Lots of things to check... Would help if you can help us understand what >> tests youve done to determine its nginx. >> >> Thanks >> >> -- >> Payam Chychi >> Network Engineer / Security Specialist >> >> On Sunday, January 31, 2016 at 9:33 AM, Reinis Rozitis wrote: >> >> This is a bit out of scope of nginx but .. >> >> could be network issue or LACP issue but doesn't looks like it is >> >> >> How did you determine this? >> Can you generate more than 1 Gbps (without nginx)? >> >> >> 12 x 3TB SATA Raid-10 (HBA LSI-9211) >> ZFS FileSystem with 18TB usable space >> >> >> Please i need guidance to handle with this problem, i am sure that some >> value needs to tweak. >> >> >> What's the output of zpool iostat (and the overal zpool/zfs >> configuration)? >> >> Also do you have ZFS on top of hardware raid ? >> >> In general just 12 SATA disks won't have a lot of IOps (especially random >> read) unless it all hits ZFS Arc (can/should be monitored), even more if >> there is a hardware raid underneath (in your place would flash the HBA >> with >> IT firmware so you get plain jbods managed by ZFS). >> >> rr >> >> _______________________________________________ >> nginx mailing list >> nginx@nginx.org >> http://mailman.nginx.org/mailman/listinfo/nginx >> >> >> >> _______________________________________________ >> nginx mailing list >> nginx@nginx.org >> http://mailman.nginx.org/mailman/listinfo/nginx >> > >
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