Re: Reg : RHEL 5.0 Installatio

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Ramakrishnan Seshadhri 写道:
Hi

Here is the ifconfig report below

[root@dbbld ~]# ifconfig
bond0     Link encap:Ethernet  HWaddr 00:21:5E:2D:90:5E
          inet addr:132.1.1.125  Bcast:132.1.255.255  Mask:255.255.0.0
          inet6 addr: fe80::221:5eff:fe2d:905e/64 Scope:Link
          UP BROADCAST RUNNING MASTER MULTICAST  MTU:1500  Metric:1
          RX packets:1150 errors:0 dropped:0 overruns:0 frame:0
          TX packets:961 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:93435 (91.2 KiB)  TX bytes:87481 (85.4 KiB)

eth0      Link encap:Ethernet  HWaddr 00:21:5E:2D:90:5E
          inet6 addr: fe80::221:5eff:fe2d:905e/64 Scope:Link
          UP BROADCAST RUNNING SLAVE MULTICAST  MTU:1500  Metric:1
          RX packets:1150 errors:0 dropped:0 overruns:0 frame:0
          TX packets:961 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:93435 (91.2 KiB)  TX bytes:87481 (85.4 KiB)
          Interrupt:114 Memory:da000000-da012100

eth1      Link encap:Ethernet  HWaddr 00:21:5E:2D:90:60
          UP BROADCAST RUNNING SLAVE MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
          Interrupt:82 Memory:d8000000-d8012100

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:2776 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2776 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:3321472 (3.1 MiB)  TX bytes:3321472 (3.1 MiB)

the collision  field is zero. But the TX is bytes:87481. There are Two NIC
configured to the Virtual IP bond0. Is there a problem there.
Is there a log while where I could check the errors.

Ram

On Sun, May 3, 2009 at 1:41 PM, Geofrey Rainey <Geofrey.Rainey@xxxxxxxxxx>wrote:

1. look in the output of ifconfig and you'll see a "collisions" field
which should have a value of 0.

2. look at the output of either "ethtool <interface>", or mii-tool
<interface>, and you will see what the port speed is. This must match
the port speed of your switch (your network guys will tell you if the
switch is
100Mb or 1000Mb etc).

Look for output like this which says the interface is running at
100Mb/s. This is bad if you're connected to a 1000Mb switch.

Advertised auto-negotiation: Yes
Speed: 100Mb/s
Duplex: Full

-----Original Message-----
From: redhat-list-bounces@xxxxxxxxxx
[mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Ramakrishnan
Seshadhri
Sent: Sunday, 3 May 2009 9:30 p.m.
To: General Red Hat Linux discussion list
Subject: Re: Reg : RHEL 5.0 Installatio

can you please brief how to check that.

Ram.

On Sun, May 3, 2009 at 1:21 PM, Geofrey Rainey
<Geofrey.Rainey@xxxxxxxxxx>wrote:

Look in "ifconfig", are there any collisions on the interface?

Also, perhaps the switch hasn't properly negotiated the speed with
Your interface?

-----Original Message-----
From: redhat-list-bounces@xxxxxxxxxx
[mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Ramakrishnan
Seshadhri
Sent: Sunday, 3 May 2009 9:18 p.m.
To: General Red Hat Linux discussion list
Subject: Re: Reg : RHEL 5.0 Installatio

Actually the problem is here. Once I reboot the server the load is
around
2.8 and I am not able to ping the server (All firewalls are turned
off).
After sometime I am able to telnet or ping the server. While pinging
it
drops 50% of packets.
both telnet and ssh services are enabled.


Ram

On Sun, May 3, 2009 at 1:06 PM, Geofrey Rainey
<Geofrey.Rainey@xxxxxxxxxx>wrote:

Also, what about the outut of the "sar" command without any
arguments?
-----Original Message-----
From: redhat-list-bounces@xxxxxxxxxx
[mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Ramakrishnan
Seshadhri
Sent: Sunday, 3 May 2009 9:01 p.m.
To: General Red Hat Linux discussion list
Subject: Re: Reg : RHEL 5.0 Installatio

Hi,


Thanks for the response : Here is my output of "sar -r" command

Linux 2.6.18-53.el5PAE (dbbld)  05/03/2009

09:50:01 AM kbmemfree kbmemused  %memused kbbuffers  kbcached
kbswpfree
kbswpused  %swpused  kbswpcad
10:00:01 AM   7400868    910644     10.96    141164    590936
10388412         0      0.00         0
10:10:01 AM   7394136    917376     11.04    142056    597464
10388412         0      0.00         0
10:20:01 AM   7394756    916756     11.03    142260    597464
10388412         0      0.00         0
10:30:01 AM   7394632    916880     11.03    142420    597468
10388412         0      0.00         0
10:40:01 AM   7394012    917500     11.04    142668    597488
10388412         0      0.00         0
Average:      7395681    915831     11.02    142114    596164
10388412         0      0.00         0

10:46:40 AM       LINUX RESTART

10:54:21 AM       LINUX RESTART

11:00:01 AM kbmemfree kbmemused  %memused kbbuffers  kbcached
kbswpfree
kbswpused  %swpused  kbswpcad
11:10:01 AM   7781624    529888      6.38     97864    300800
10388412         0      0.00         0
Average:      7781624    529888      6.38     97864    300800
10388412         0      0.00         0

11:22:15 AM       LINUX RESTART

11:38:03 AM       LINUX RESTART

11:40:01 AM kbmemfree kbmemused  %memused kbbuffers  kbcached
kbswpfree
kbswpused  %swpused  kbswpcad
11:50:01 AM   7780860    530652      6.38     89332    301896
10388412         0      0.00         0
Average:      7780860    530652      6.38     89332    301896
10388412         0      0.00         0

11:59:06 AM       LINUX RESTART

12:00:02 PM kbmemfree kbmemused  %memused kbbuffers  kbcached
kbswpfree
kbswpused  %swpused  kbswpcad
12:10:01 PM   7728928    582584      7.01    135368    303512
10388412         0      0.00         0
12:20:01 PM   7729052    582460      7.01    135484    303516
10388412         0      0.00         0
12:30:01 PM   7728692    582820      7.01    135904    303884
10388412         0      0.00         0
12:40:01 PM    286120   8025392     96.56    121840   7634772
10388412         0      0.00         0
12:50:01 PM    289640   8021872     96.52     50696   7736596
10388408         4      0.00         4
Average:      4752486   3559026     42.82    115858   3256456
10388411         1      0.00         1


I cant see any swap usage.

Ram

On Sun, May 3, 2009 at 12:57 PM, Geofrey Rainey
<Geofrey.Rainey@xxxxxxxxxx>wrote:

Try the following:

# sar -r (look at how much swap is being used)

# sar (is the i/o wait column high?)


-----Original Message-----
From: redhat-list-bounces@xxxxxxxxxx
[mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Ramakrishnan
Seshadhri
Sent: Sunday, 3 May 2009 7:41 p.m.
To: General Red Hat Linux discussion list
Subject: Reg : RHEL 5.0 Installatio

Hi,

I have installed RHEL 5  on one of the servers and once the server
boots
up
the load average is constantly at 2.8 and server is slow.

Server is IBM blade by make .

8 GB RAM


top command does not show any CPR intensive tasks.

please let me know how to find out what is occupying CPU


Ram
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I installed RHEL 5.2 on IBM blade center with bond0 without any issues.
Can you post:
1. /etc/modprobe.conf
2. /etc/sysconfig/network-scripts/ifcfg-bond0
3. /etc/sysconfig/network-scripts/ifcfg-eth0
4. /etc/sysconfig/network-scripts/ifcfg-eth1

Al

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