Re: Reg : RHEL 5.0 Installatio

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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@xxxxxxxxxxxxxxxxxxxxxx>wrote:

> 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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