[Linux-cluster] RHES4 box does not prompt for password afterentering login id at console

Kit Gerrits kitgerrits at gmail.com
Fri Oct 8 23:00:48 UTC 2010

The error:
SCSI0 (0:0) : rejecting I/O to offline device
means that one of the disks has failed.
If the /var/ filesystem resides on this disk, the security logs become
unwritable and the system refuses log-ins.
The physical terminal is usually the most fail-safe way to log in (it has
the most overrides.
If this fails (as it appears to have done, you could try rebooting, to see
if the disk will come back (it sometimes does).
Otherwise, I fear you may need to swap out the disk and restore (or
reinstall) what was on there.


From: linux-cluster-bounces at redhat.com
[mailto:linux-cluster-bounces at redhat.com] On Behalf Of sunhux G
Sent: vrijdag 8 oktober 2010 19:31
To: linux clustering
Subject: Re: [Linux-cluster] RHES4 box does not prompt for password
afterentering login id at console

Pressing Ctrl-Alt-Fx   where x is one of the numbers,
I got into another virtual console which showed the message:

SCSI0 (0:0) : rejecting I/O to offline device

Is the above message related to the login issue?

I've just managed to login to another Linux box on the same subnet
& tried "ssh -v a_userid at problem_Linux_box_address" & the remote
connection was closed, screen display is as follows :

[root at svrname ~]# ssh -v myuserid at 172.16.x.y
OpenSSH_3.9p1, OpenSSL 0.9.7a Feb 19 2003
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug1: Connecting to 172.16.x.y [172.16.x.y] port 22.
debug1: Connection established.
debug1: permanently_set_uid: 0/0
debug1: identity file /root/.ssh/id_rsa type -1
debug1: identity file /root/.ssh/id_dsa type -1
ssh_exchange_identification: Connection closed by remote host

ping to the problem box is Ok

On Sat, Oct 9, 2010 at 12:36 AM, sunhux G <sunhux at gmail.com> wrote:

I have a Dell 1850 box running  RHES4.6 with Tomcat 5.5.17
and Opinion 5.2.9 : tonight the Dataprotector centralized backup
failed to backup via this server's NIC.

After entering root at the login: prompt, the console screen clears
& it's back with the login prompt again without prompting for 

I would not want to reboot this box if possible as it's production.

Haven't tried ssh into it yet but anyway, I only recall there's root
login id in this box, there's no other login id & since it's a hardened
box, I can't ssh into this box using root.

any other idea?

There's no alert from the monitoring tool (which usually we'll get if
the filesystem or memory utilization or CPU exceeded the defined 
thresholds or ping fails to this box).


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