Re: [CentOS] bizarre problem with performance

2014-09-18 Thread Eero Volotinen
2014-09-18 0:41 GMT+03:00 Dan Hyatt : > Hi, > I am running centos6-5 on dell620 blades. > mirrored local root drives > several (including home) mounted filesystems. > > The other blades are working fine. > Top indicates the server is running 1% cpu, and very little memory > (idleing) > There is no

Re: [CentOS] bizarre problem with performance

2014-09-17 Thread Dan Hyatt
On my messages, I only get that annoying nfs warning message that is common. What is strange is it is the LOCAL ROOT filesystem The NFS mounted filesystems work fine. I was surprised that everything seems to work well on root as long as it is not looking at the root filesystem filesystem type

Re: [CentOS] bizarre problem with performance

2014-09-17 Thread Keith Keller
On 2014-09-18, Gerry Reno wrote: > Right off hand I would say that NFS is hanging and/or bad DNS lookup > timeout. The OP said the hanging issue is only impacting local filesystems, not network. > On Wed, Sep 17, 2014 at 5:41 PM, Dan Hyatt wrote: > >> any suggestions. Did you check your logs a

Re: [CentOS] bizarre problem with performance

2014-09-17 Thread Gerry Reno
Right off hand I would say that NFS is hanging and/or bad DNS lookup timeout. Happened on several of our servers years ago. On Wed, Sep 17, 2014 at 5:41 PM, Dan Hyatt wrote: > Hi, > I am running centos6-5 on dell620 blades. > mirrored local root drives > several (including home) mounted filesys

[CentOS] bizarre problem with performance

2014-09-17 Thread Dan Hyatt
Hi, I am running centos6-5 on dell620 blades. mirrored local root drives several (including home) mounted filesystems. The other blades are working fine. Top indicates the server is running 1% cpu, and very little memory (idleing) There is no error in the messages file There is no amber lights on