Thanks for all the reply's...
Not real sure how this could impact so much and why rebooting did not bring
/dev/null back to its initial state, but once we got the file permissions
set back to the character set for /dev/null, our other file system was able
to mount and we had our /opt file structure back. I even rebooted a couple
times to make sure it came back correctly and everything appears to be
working fine now.
Thanks!
Rich Smrcina
<[EMAIL PROTECTED]
om> To
Sent by: Linux on [email protected]
390 Port cc
<[EMAIL PROTECTED]
IST.EDU> Topic
Subject
01/14/2008 09:46 Re: Linux not recognizing file
AM systems
Please respond to
Linux on 390 Port
<[EMAIL PROTECTED]
IST.EDU>
I concur with John. Check the messages log and dmesg. Something bigger
is happening. I changed /dev/null on a virtual machine to the state
that you had it in and yes, weird things happened, but as soon as I
rebooted it, it changed back to exactly what it was before (as I would
expect).
This may also explain your connectivity problem.
Joell Chockley wrote:
> It does show up on the VSwitch, but you can't ping it.
>
>
>
>
> Rich Smrcina
> <[EMAIL PROTECTED]
> om>
To
> Sent by: Linux on [email protected]
> 390 Port
cc
> <[EMAIL PROTECTED]
> IST.EDU>
Topic
>
>
Subject
> 01/14/2008 09:02 Re: Linux not recognizing file
> AM systems
>
>
> Please respond to
> Linux on 390 Port
> <[EMAIL PROTECTED]
> IST.EDU>
>
>
>
>
>
>
> Can you see the virtual machine register on your VSwitch (Q LAN
> DETAILS)? Can you ping it?
>
> Joell Chockley wrote:
>> I've got a strange problem with a Linux guest. The only indicator we've
>> come up with so far is that /dev/null had it's file permissions changed
> on
>> Friday afternoon to -rw-r--r-- 1 root root 81 2008-01-11 15:03
/dev/null
>> (we don't know how this was changed). One of our admins changed it back
> to
>> 666, but it was still missing the character file attributes. Everything
>> still worked fine, until it was rebooted on Sunday evening. Now, it
> comes
>> up under VM, but the connections that allow us to putty to it aren't
>> working. It's only mounting / and when I sign on as root and try to
> change
>> null to a character file, it tells me the file system is read-only
> although
>> the permissions for /dev are drwxr-xr-x. It's also not mounting /opt
> which
>> is what is on /dev/system/lvm1.
>>
>> doing the mount command, we see this output.
>>
>> proc on /proc type proc (rw)
>> (none):/ # mount -a
>> mount -a
>> mount: devpts already mounted or /dev/pts busy
>> mount: /dev/system/lvm1 is not a valid block device
>>
>> We're in the process of trying to restore back to the last good full
> volume
>> backup, but I'm really curious if changing /dev/null could have this
> strong
>> of a impact and if there's any ideas of what we might be able to do to
> fix
>> the problem without restoring.
>
> --
> Rich Smrcina
> VM Assist, Inc.
> Phone: 414-491-6001
> Ans Service: 360-715-2467
> rich.smrcina at vmassist.com
> http://www.linkedin.com/in/richsmrcina
>
> Catch the WAVV! http://www.wavv.org
> WAVV 2008 - Chattanooga - April 18-22, 2008
>
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--
Rich Smrcina
VM Assist, Inc.
Phone: 414-491-6001
Ans Service: 360-715-2467
rich.smrcina at vmassist.com
http://www.linkedin.com/in/richsmrcina
Catch the WAVV! http://www.wavv.org
WAVV 2008 - Chattanooga - April 18-22, 2008
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