Reg : RHEL 5.0 Installatio

Ramakrishnan Seshadhri ramakrishnan42 at gmail.com
Sun May 3 10:13:03 UTC 2009


Here is the output for swapon -s

[root at dbbld ~]# swapon -s
Filename                                Type            Size    Used
Priority
/dev/mapper/VolGroup00-LogVol01         partition       950264  0       -1
/dev/sda5                               partition       9438148 0       -2


Ram

On Sun, May 3, 2009 at 2:10 PM, Geofrey Rainey <Geofrey.Rainey at tvnz.co.nz>wrote:

> I wouldn't worry about that zombie. What about my earlier question about
> The output of swapon -s?
>
>
> -----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 10:03 p.m.
> To: General Red Hat Linux discussion list
> Subject: Re: Reg : RHEL 5.0 Installatio
>
> Hi,
>
>
> I can see that there is a Zonbie
>
> [root at dbbld etc]# ps -ef | grep ifup-eth
> root     14335  3476  1 14:02 ?        00:00:00 [ifup-eth] <defunct>
> root     14362  6988  0 14:02 pts/2    00:00:00 grep ifup-eth
>
> what is this process. I am not able to kill this.
>
>
> Ram.S
>
> On Sun, May 3, 2009 at 1:59 PM, Ramakrishnan Seshadhri <
> ramakrishnan42 at gmail.com> wrote:
>
> > 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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