Reg : RHEL 5.0 Installatio
Ramakrishnan Seshadhri
ramakrishnan42 at gmail.com
Mon May 4 00:14:16 UTC 2009
Hi,
I had an issue with /etc/modprobe.conf file. I have rectified it now and
everything is normal
Ram
On Mon, May 4, 2009 at 2:19 AM, Allen Chen <achen at harbourfrontcentre.com>wrote:
> 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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