Reg : RHEL 5.0 Installatio
Allen Chen
achen at harbourfrontcentre.com
Sun May 3 20:49:16 UTC 2009
Ramakrishnan Seshadhri 写道:
> Hi
>
> Here is the ifconfig report below
>
> [root at 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 at tvnz.co.nz>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 at redhat.com
>> [mailto:redhat-list-bounces at redhat.com] 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 at tvnz.co.nz>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 at redhat.com
>>> [mailto:redhat-list-bounces at redhat.com] 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 at tvnz.co.nz>wrote:
>>>
>>>
>>>> Also, what about the outut of the "sar" command without any
>>>>
>> arguments?
>>
>>>> -----Original Message-----
>>>> From: redhat-list-bounces at redhat.com
>>>> [mailto:redhat-list-bounces at redhat.com] 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 at tvnz.co.nz>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 at redhat.com
>>>>> [mailto:redhat-list-bounces at redhat.com] 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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