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тАО05-13-2009 12:51 PM
тАО05-13-2009 12:51 PM
One of my hp server L2000 - recently became very slow - it is intermittent.logins take much time - resource utilization looks ok.what could be wrong
thanks
Solved! Go to Solution.
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тАО05-13-2009 12:54 PM
тАО05-13-2009 12:54 PM
Re: question about login
check the /etc/resolv.conf file and make sure all the dns servers listed in this file, especially the first one, is accessible from this server. The most common problem of slow logins is generally associated with some DNS server issue.
UNIX because I majored in cryptology...
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тАО05-13-2009 12:56 PM
тАО05-13-2009 12:56 PM
SolutionIf you mean that a login takes a long time to complete; i.e. from the time you say 'telnet' or 'ssh' to the time you receive a response, then perhaps your DNS reverse lookup is defective.
See if adding the IP address of the device from which you try to login to the server's '/etc/hosts'. You can name the client device anything you want for this purpose. If you do this, does the delay disappear? If so, you have a mis-configured DNS server.
Regards!
...JRF...
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тАО05-13-2009 12:57 PM
тАО05-13-2009 12:57 PM
Re: question about login
thanks
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тАО05-13-2009 12:59 PM
тАО05-13-2009 12:59 PM
Re: question about login
thanks
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тАО05-13-2009 01:04 PM
тАО05-13-2009 01:04 PM
Re: question about login
But this only addresses the slow response after you login. DNS issue still stands.
UNIX because I majored in cryptology...
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тАО05-13-2009 01:14 PM
тАО05-13-2009 01:14 PM
Re: question about login
and some commands takes much time to respond - some times not.
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тАО05-13-2009 01:17 PM
тАО05-13-2009 01:17 PM
Re: question about login
UNIX because I majored in cryptology...
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тАО05-13-2009 01:21 PM
тАО05-13-2009 01:21 PM
Re: question about login
I agree with Mel -- you seem to have a multitude of issues.
> if i type mail - i get permission denied
Then (as root) look at the permissions and ownership of '/var/mail'. It should look like:
# ls -dl /var/mail
drwxrwxr-x 2 bin mail 96 May 13 17:16 /var/mail
...with individual files showing like:
-rw-rw---- 1 root mail 3705 Apr 28 10:36 root
-rw-rw---- 1 navin mail 3333 May 12 17:00 navin
Regards!
...JRF...
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тАО05-13-2009 01:29 PM
тАО05-13-2009 01:29 PM
Re: question about login
Intermittent delays might indicate the (remaining?) disk requires multiple retries to succeed in read/write operations in some parts of the disk. If the disk really behaves like this, it is probably in very bad shape and could fail totally at any moment.
Your first priority should be to ensure that your backups are OK. Don't overwrite any old backups to create new ones - you may need to recover some files from older backups if they are already unreadable on the system.
For diagnosing and fixing disk failures, please read this document:
http://docs.hp.com/en/5991-1236/When_Good_Disks_Go_Bad_WP.pdf
MK