Re: [CentOS] everything seems to hang, but system is idle? [SOLVED]

2010-04-12 Thread Ross Walker
On Apr 12, 2010, at 10:25 AM, Rudi Ahlers wrote: > On Mon, Apr 12, 2010 at 1:50 PM, JohnS wrote: >> >> On Sun, 2010-04-11 at 15:48 +0200, Rudi Ahlers wrote: >> >>> Yes, I think it could be a problematic iscsi config. Now that I >>> think >>> of it, the server wasn't rebooted in about 2 or 3 mo

Re: [CentOS] everything seems to hang, but system is idle? [SOLVED]

2010-04-12 Thread Rudi Ahlers
On Mon, Apr 12, 2010 at 1:50 PM, JohnS wrote: > > On Sun, 2010-04-11 at 15:48 +0200, Rudi Ahlers wrote: > >> Yes, I think it could be a problematic iscsi config. Now that I think >> of it, the server wasn't rebooted in about 2 or 3 months and I did >> some iscsi testing a while ago, but with a rec

Re: [CentOS] everything seems to hang, but system is idle?

2010-04-12 Thread JohnS
On Sun, 2010-04-11 at 15:48 +0200, Rudi Ahlers wrote: > Yes, I think it could be a problematic iscsi config. Now that I think > of it, the server wasn't rebooted in about 2 or 3 months and I did > some iscsi testing a while ago, but with a recent power outage it > could have enabled / a faulty co

Re: [CentOS] everything seems to hang, but system is idle?

2010-04-12 Thread kalinix
On Sun, 2010-04-11 at 14:49 +0200, Rudi Ahlers wrote: > [r...@intranet ~]# yum install strace -y > Loaded plugins: fastestmirror > Loading mirror speeds from cached hostfile > * local-addons: 192.168.1.250 > * local-base: 192.168.1.250 > * local-extras: 192.168.1.250 > * local-updates: 192.16

Re: [CentOS] everything seems to hang, but system is idle?

2010-04-11 Thread Rudi Ahlers
On Sun, Apr 11, 2010 at 3:32 PM, Geoff Galitz wrote: >> >> Thanx Geoff, >> >> Already checked that, without any decent lead either: > > > Have you tried iostat, vmstat or sar to see if there is unusual activity? > Were there any changes to the kernel lately (such as an update or a new > module)? >

Re: [CentOS] everything seems to hang, but system is idle?

2010-04-11 Thread Rudi Ahlers
On Sun, Apr 11, 2010 at 3:33 PM, Kwan Lowe wrote: > On Sun, Apr 11, 2010 at 6:58 AM, Rudi Ahlers wrote: > [snip] >> >> At the same time I can open a new SSH session and do whatevery I like. >> But it seems that running a command which takes time to complete >> hangs. > > Is the server mounting an

Re: [CentOS] everything seems to hang, but system is idle?

2010-04-11 Thread Geoff Galitz
> > Thanx Geoff, > > Already checked that, without any decent lead either: Have you tried iostat, vmstat or sar to see if there is unusual activity? Were there any changes to the kernel lately (such as an update or a new module)? Or perhaps an NFS/CIFS mount gone wonky causing blocking? -g

Re: [CentOS] everything seems to hang, but system is idle?

2010-04-11 Thread Kwan Lowe
On Sun, Apr 11, 2010 at 6:58 AM, Rudi Ahlers wrote: [snip] > > At the same time I can open a new SSH session and do whatevery I like. > But it seems that running a command which takes time to complete > hangs. Is the server mounting any remote filesystems?

Re: [CentOS] everything seems to hang, but system is idle?

2010-04-11 Thread Rudi Ahlers
On Sun, Apr 11, 2010 at 3:00 PM, Geoff Galitz wrote: > > > Check dmesg.  The kernel may be reporting disk or filesystem IO problems > that are not going to syslog. > > -geoff > > > > - > Thanx Geoff, Already checked that, without any decent lead either: [r...@i

Re: [CentOS] everything seems to hang, but system is idle?

2010-04-11 Thread Geoff Galitz
s-boun...@centos.org [mailto:centos-boun...@centos.org] On > Behalf Of Rudi Ahlers > Sent: Sonntag, 11. April 2010 14:49 > To: CentOS mailing list > Subject: Re: [CentOS] everything seems to hang, but system is idle? > > On Sun, Apr 11, 2010 at 2:25 PM, Rudi Ahlers wrote: > > O

Re: [CentOS] everything seems to hang, but system is idle?

2010-04-11 Thread Rudi Ahlers
On Sun, Apr 11, 2010 at 2:25 PM, Rudi Ahlers wrote: > On Sun, Apr 11, 2010 at 2:04 PM, JohnS wrote: >> >> On Sun, 2010-04-11 at 12:58 +0200, Rudi Ahlers wrote: >> >>> At the same time I can open a new SSH session and do whatevery I like. >>> But it seems that running a command which takes time to

Re: [CentOS] everything seems to hang, but system is idle?

2010-04-11 Thread Rudi Ahlers
On Sun, Apr 11, 2010 at 2:04 PM, JohnS wrote: > > On Sun, 2010-04-11 at 12:58 +0200, Rudi Ahlers wrote: > >> At the same time I can open a new SSH session and do whatevery I like. >> But it seems that running a command which takes time to complete >> hangs. > --- > Try killing off those rsyncs and

Re: [CentOS] everything seems to hang, but system is idle?

2010-04-11 Thread JohnS
On Sun, 2010-04-11 at 12:58 +0200, Rudi Ahlers wrote: > At the same time I can open a new SSH session and do whatevery I like. > But it seems that running a command which takes time to complete > hangs. --- Try killing off those rsyncs and try it again. You need to provide some other type of err

[CentOS] everything seems to hang, but system is idle?

2010-04-11 Thread Rudi Ahlers
Hi All, My one server recently started acting very weird. At fist I couldn't import any images with cobbler as rsync crashes the whole time. I was told to ask on the cobbler list (maybe it's not supported here?) but I left it at that (subscribed to far too many lists already). Yesteday I wanted t