|
|
Sponsored Content
Operating Systems
AIX
Network Perforamnce - It's just slow!
Post 303033091 by BDMcGrew on Friday 29th of March 2019 02:32:40 PM
03-29-2019
Network Perforamnce - It's just slow!
Hello everyone,
I've been a life long Unix/Linux user but I'll be the first to admit I have little specific AIX knowledge at this point and I've inherited these systems for better or worse so please forgive if I ask something in the wrong context. And yes, I've searched google for 3 days now
I have a bunch of Power755 machines running AIX 6.1.0.0. I have multiple FC adapters to storage and 10GbE ethernet.
On the very same network, switch and storage I also have a bunch of x86 machines running RHEL75, multiple FC adapters to storage and 10GbE ethernet.
On the Linux boxes I can copy files (scp, ftp, nfs, rsync) at about 150MB/s.
On the AIX boxes those same copies are running around 40MB/s.
And, I can't figure out why???
I've been though several network tuning walkthru's found on google and nothing seems to make any difference.
Obviously the Power755's are 8 year old hardware where there x86 machines are circa 2017/2018 hardware and the AIX boxes only have 32GB of RAM where my x86 stuff has 256GB and 512GB. But, does that really account for the difference in network performance? I just have a hard time believing that IBM would put out a piece of iron that doesn't perform of up the published specs...
Anyway, if someone can help point me in the direction to track this down I'd much appreciate it.
The FC cards are all same speed, 8Gbps, there's plenty of flash and spindles in the NetApp that I know there's no bottle neck there. We've swapped ethernet adapters, cables, swtichports, etc. and I'm left with little choice but to draw the conclusion that somehow these AIX boxes are configured incorrectly. Oh, and yes, the ethernet ports ‘show' they are up at 10GB.
Thanks in advance,
-brian
I've been a life long Unix/Linux user but I'll be the first to admit I have little specific AIX knowledge at this point and I've inherited these systems for better or worse so please forgive if I ask something in the wrong context. And yes, I've searched google for 3 days now
I have a bunch of Power755 machines running AIX 6.1.0.0. I have multiple FC adapters to storage and 10GbE ethernet.
On the very same network, switch and storage I also have a bunch of x86 machines running RHEL75, multiple FC adapters to storage and 10GbE ethernet.
On the Linux boxes I can copy files (scp, ftp, nfs, rsync) at about 150MB/s.
On the AIX boxes those same copies are running around 40MB/s.
And, I can't figure out why???
I've been though several network tuning walkthru's found on google and nothing seems to make any difference.
Obviously the Power755's are 8 year old hardware where there x86 machines are circa 2017/2018 hardware and the AIX boxes only have 32GB of RAM where my x86 stuff has 256GB and 512GB. But, does that really account for the difference in network performance? I just have a hard time believing that IBM would put out a piece of iron that doesn't perform of up the published specs...
Anyway, if someone can help point me in the direction to track this down I'd much appreciate it.
The FC cards are all same speed, 8Gbps, there's plenty of flash and spindles in the NetApp that I know there's no bottle neck there. We've swapped ethernet adapters, cables, swtichports, etc. and I'm left with little choice but to draw the conclusion that somehow these AIX boxes are configured incorrectly. Oh, and yes, the ethernet ports ‘show' they are up at 10GB.
Thanks in advance,
-brian
Last edited by Corona688; 03-29-2019 at 03:34 PM.. Reason: Font & newline issues
|
|
9 More Discussions You Might Find Interesting
1. UNIX for Advanced & Expert Users
Hello, everyone:
i encounter a problem these days , pls help me ,thanks in advance.
my env:
machine: ES40 A ES40 B
os: true64 Unix 4.0f
note: src.tar 8M network card speed 100M
my problem:
... (3 Replies)
Discussion started by: q30
3 Replies
2. AIX
Hi,
I am trying to send oracle archives over WAN and it is taking hell a lot of time. To reduce the time, I tried to gzip the files and send over to the other side. That seems to reduce the time. Does anybody have experienced this kind of problem and any possible ways to reduce the time.
... (1 Reply)
Discussion started by: giribt
1 Replies
3. Programming
I am developing a Network Appliation to monitor computers in a network.
Specs are
App monitors the current web page viewed in each system
App also can shutdown the computer in the network
App can show all process run by each computer in the network
I am now confused how to start my... (2 Replies)
Discussion started by: valaparambil88
2 Replies
4. IP Networking
hello i have a ubuntu ssh server that i can acess from any of my comnputers but only if they are on the same wireless network as the server. i tested trhis my tehtehring my samsung blackjack to my windows partition and installing openssh to windows it works when windows is on the wireless but no... (1 Reply)
Discussion started by: old noob
1 Replies
5. Solaris
At work, I'm in a Solaris environment working with csh, and $PATH is populated with anywhere between 10 and 20 entries.
Last week, every command I issued (even "ls") took several seconds, if not an entire minute, to run. Once I moved "/home/sybase/bin" to the end of $PATH, certain commands... (2 Replies)
Discussion started by: acheong87
2 Replies
6. Red Hat
hey guys,
We have two Sun x2100 servers running RHEL5 in a test environment. Both servers are fresh OS installs and hooked up to the same network switch.
When ssh'ing to one server, there is a significant delay, while ssh'ing to the other server, the connection is almost instant. We are... (2 Replies)
Discussion started by: amheck
2 Replies
7. UNIX for Advanced & Expert Users
Hi Guys,
I've inherited a mess of an infrastructure in my new job, there hasn't been a sys admin in post for about a year, so things are falling apart. The first thing to break after I started was the printer server. I have it working again, and people can print, however it's very slow, slower... (0 Replies)
Discussion started by: rudigarude
0 Replies
8. Solaris
I have identical M5000 machines that are needing to transfer very large amounts of data between them. These are fully loaded machines, and I've already checked IO, memory usage, etc... I get poor network performance even when the machines are idle or copying via loopback. The 10 GB NICs are... (7 Replies)
Discussion started by: christr
7 Replies
9. Red Hat
Hi,
I have 2 machines in production environment:
1. redhat machine for application
2. DB machine (oracle)
The application doing a lot of small read&writes from and to the DB machine.
The problem is that after some few hours the network from the application to the DB becomes very slow and... (4 Replies)
Discussion started by: moshesa
4 Replies
LEARN ABOUT PHP
ixgb
IXGB(4) BSD Kernel Interfaces Manual IXGB(4) NAME
ixgb -- Intel(R) PRO/10GbE Ethernet driver for the FreeBSD operating system SYNOPSIS
To compile this driver into the kernel, place the following line in your kernel configuration file: device ixgb Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): if_ixgb_load="YES" DESCRIPTION
The ixgb driver provides support for PCI Gigabit Ethernet adapters based on the Intel 82597EX Ethernet controller chips. The driver supports Transmit/Receive checksum offload and Jumbo Frames. For questions related to hardware requirements, refer to the documentation supplied with your Intel PRO/10GbE adapter. All hardware require- ments listed apply to use with FreeBSD. Support for Jumbo Frames is provided via the interface MTU setting. Selecting an MTU larger than 1500 bytes with the ifconfig(8) utility configures the adapter to receive and transmit Jumbo Frames. The maximum MTU size for Jumbo Frames is 16114. This driver version supports VLANs. For information on enabling VLANs, see ifconfig(8). HARDWARE
The ixgb driver supports the following cards: o Intel PRO/10GbE LR Server Adapter o Intel PRO/10GbE SR Server Adapter DIAGNOSTICS
ixgb%d: Unable to allocate bus resource: memory A fatal initialization error has occurred. ixgb%d: Unable to allocate bus resource: interrupt A fatal initialization error has occurred. ixgb%d: watchdog timeout -- resetting The device has stopped responding to the network, or there is a problem with the network connection (cable). SUPPORT
For general information and support, go to the Intel support website at: http://support.intel.com. If an issue is identified with the released source code on the supported kernel with a supported adapter, email the specific information related to the issue to <freebsdnic@mailbox.intel.com>. SEE ALSO
arp(4), em(4), netintro(4), ng_ether(4), polling(4), vlan(4), ifconfig(8) HISTORY
The ixgb device driver first appeared in FreeBSD 4.11 and FreeBSD 5.3. AUTHORS
The ixgb driver was written by Intel Corporation <freebsdnic@mailbox.intel.com>. BSD
August 18, 2006 BSD