Re: [CentOS] Disk Performance Issue

2019-06-25 Thread Gordon Messmer
On 6/24/19 8:42 AM, Chris Olson via CentOS wrote: We have a very old Dell desk top machine that has been running CentOS 6 for the past five years.  It received a new, 1 TB disk ... Boot-up this morning lasted about six times as long as usual. Disk access, as indicated by the disk activity light,

Re: [CentOS] Disk Performance Issue

2019-06-24 Thread Jon LaBadie
On Mon, Jun 24, 2019 at 03:42:24PM +, Chris Olson via CentOS wrote: > We have a very old Dell desk top machine that has been running > CentOS 6 for the past five years.  It received a new, 1 TB disk > and additional memory before the OS installation.  It has been > the primary Linux machine in

Re: [CentOS] Disk Performance Issue

2019-06-24 Thread mark
Chris Olson via CentOS wrote: > We have a very old Dell desk top machine that has been running > CentOS 6 for the past five years.  It received a new, 1 TB disk > and additional memory before the OS installation.  It has been the primary > Linux machine in our smallest and most remote field > offic

Re: [CentOS] Disk Performance Issue

2019-06-24 Thread Yves Bellefeuille
Chris Olson wrote: > One theory put forward is that some application is running that > uses up CPU and disk bandwidth. 1. Check the cable. I'm getting convinced that half of all problems are caused by cables. 2. Use iotop to see what's using the disk. 3. Check the disk using smartmontools an

Re: [CentOS] Disk Performance Issue

2019-06-24 Thread Jon Pruente
On Mon, Jun 24, 2019 at 10:42 AM Chris Olson via CentOS wrote: > Advice regarding this issue and any possible diagnostic methods > will be greatly appreciated. > Install smartmontools. You can use the smartctl tool to get all of the S.M.A.R.T. data for the drive. You can also set up the config t

[CentOS] Disk Performance Issue

2019-06-24 Thread Chris Olson via CentOS
We have a very old Dell desk top machine that has been running CentOS 6 for the past five years.  It received a new, 1 TB disk and additional memory before the OS installation.  It has been the primary Linux machine in our smallest and most remote field office.  It has been updated at least once a