Re: [CentOS] NFS help

2016-10-27 Thread Larry Martell
On Thu, Oct 27, 2016 at 5:16 PM, wrote: > Matt Garman wrote: >> On Thu, Oct 27, 2016 at 12:03 AM, Larry Martell >> wrote: > >> On Thu, Oct 27, 2016 at 3:05 AM, Larry Martell >> wrote: >>> Well I spoke too soon. The importer (the one that was initially >>> hanging that I came here to fix) hung

Re: [CentOS] NFS help

2016-10-27 Thread Larry Martell
On Thu, Oct 27, 2016 at 4:23 PM, Matt Garman wrote: > On Thu, Oct 27, 2016 at 12:03 AM, Larry Martell > wrote: >> This site is locked down like no other I have ever seen. You cannot >> bring anything into the site - no computers, no media, no phone. You >> ... >> This is my client's client, and

Re: [CentOS] NFS help

2016-10-27 Thread Larry Martell
On Thu, Oct 27, 2016 at 12:35 PM, Gordon Messmer wrote: > On 10/26/2016 09:54 PM, Larry Martell wrote: >> >> And on the C6 client there is a similar blocked message for the ftp >> job, blocked on nfs_flush, then the bad sequence number message I had >> seen before, and at that point the ftp_job hu

Re: [CentOS] NFS help

2016-10-27 Thread m . roth
Matt Garman wrote: > On Thu, Oct 27, 2016 at 12:03 AM, Larry Martell > wrote: > On Thu, Oct 27, 2016 at 3:05 AM, Larry Martell > wrote: >> Well I spoke too soon. The importer (the one that was initially >> hanging that I came here to fix) hung up after running 20 hours. There >> were no NFS erro

Re: [CentOS] NFS help

2016-10-27 Thread J Martin Rushton
On 27/10/16 21:23, Matt Garman wrote: > > If you have the ability to take these systems offline temporarily, you > can also run "fsck" (file system check) on the C6 and C7 file systems. > IIRC, ext4 can do a very basic kind of check on a mounted filesystem. > But a deeper/more comprehensive scan

Re: [CentOS] NFS help

2016-10-27 Thread Matt Garman
On Thu, Oct 27, 2016 at 12:03 AM, Larry Martell wrote: > This site is locked down like no other I have ever seen. You cannot > bring anything into the site - no computers, no media, no phone. You > ... > This is my client's client, and even if I could circumvent their > policy I would not do that.

Re: [CentOS] NFS help

2016-10-27 Thread Gordon Messmer
On 10/26/2016 09:54 PM, Larry Martell wrote: And on the C6 client there is a similar blocked message for the ftp job, blocked on nfs_flush, then the bad sequence number message I had seen before, and at that point the ftp_job hung. Are any of these systems using jumbo frames? Check the MTU in

Re: [CentOS] NFS help

2016-10-27 Thread Larry Martell
On Thu, Oct 27, 2016 at 1:03 AM, Larry Martell wrote: > On Wed, Oct 26, 2016 at 9:35 AM, Matt Garman wrote: >> On Tue, Oct 25, 2016 at 7:22 PM, Larry Martell >> wrote: >>> Again, no machine on the internal network that my 2 CentOS hosts are >>> on are connected to the internet. I have no way to

Re: [CentOS] NFS help

2016-10-26 Thread Larry Martell
On Wed, Oct 26, 2016 at 9:35 AM, Matt Garman wrote: > On Tue, Oct 25, 2016 at 7:22 PM, Larry Martell > wrote: >> Again, no machine on the internal network that my 2 CentOS hosts are >> on are connected to the internet. I have no way to download anything., >> There is an onerous and protracted pr

Re: [CentOS] NFS help

2016-10-26 Thread Larry Martell
On Mon, Oct 24, 2016 at 7:51 AM, mark wrote: > On 10/24/16 03:52, Larry Martell wrote: >> >> On Fri, Oct 21, 2016 at 11:42 AM, wrote: >>> >>> Larry Martell wrote: On Fri, Oct 21, 2016 at 11:21 AM, wrote: > > Larry Martell wrote: >> >> We have 1 system ruining Centos7

Re: [CentOS] NFS help

2016-10-26 Thread Boris Epstein
I am sorry, I am stepping into the conversation late and may not fully understand all aspects of the situation but I wonder if it may make sense to set up a server process on the NFS server machine that simply listens for incoming requests to perform a file copy and then does so as requested - only

Re: [CentOS] NFS help

2016-10-26 Thread Matt Garman
On Tue, Oct 25, 2016 at 7:22 PM, Larry Martell wrote: > Again, no machine on the internal network that my 2 CentOS hosts are > on are connected to the internet. I have no way to download anything., > There is an onerous and protracted process to get files into the > internal network and I will see

Re: [CentOS] NFS help

2016-10-25 Thread Larry Martell
On Tue, Oct 25, 2016 at 12:48 PM, Matt Garman wrote: > On Mon, Oct 24, 2016 at 6:09 PM, Larry Martell > wrote: >> The machines are on a local network. I access them with putty from a >> windows machine, but I have to be at the site to do that. > > So that means when you are offsite there is no w

Re: [CentOS] NFS help

2016-10-25 Thread Matt Garman
On Mon, Oct 24, 2016 at 6:09 PM, Larry Martell wrote: > The machines are on a local network. I access them with putty from a > windows machine, but I have to be at the site to do that. So that means when you are offsite there is no way to access either machine? Does anyone have a means to access

Re: [CentOS] NFS help

2016-10-24 Thread Larry Martell
On Mon, Oct 24, 2016 at 5:25 PM, Matt Garman wrote: > On Mon, Oct 24, 2016 at 2:42 PM, Larry Martell > wrote: >>> At any rate, what I was looking at was seeing if there was any way to >>> simplify this process, and cut NFS out of the picture. If you need >>> only to push these files around, wha

Re: [CentOS] NFS help

2016-10-24 Thread Matt Garman
Another alternative idea: you probably won't be comfortable with this, but check out systemd-nspawn. There are lots of examples online, and even I wrote about how I use it: http://raw-sewage.net/articles/fedora-under-centos/ This is unfortunately another "sysadmin" solution to your problem. n

Re: [CentOS] NFS help

2016-10-24 Thread Gordon Messmer
On 10/24/2016 07:29 AM, m.r...@5-cent.us wrote: As I noted in my original repost, that it needs to be on a UPS Ah. I see that now. Still, may I suggest that whenever we recommend remedies that eliminate reliability measures, such as mounting with "nobarrier", we also repeat caveats so that

Re: [CentOS] NFS help

2016-10-24 Thread Matt Garman
On Mon, Oct 24, 2016 at 2:42 PM, Larry Martell wrote: >> At any rate, what I was looking at was seeing if there was any way to >> simplify this process, and cut NFS out of the picture. If you need >> only to push these files around, what about rsync? > > It's not just moving files around. The fil

Re: [CentOS] NFS help

2016-10-24 Thread Larry Martell
On Mon, Oct 24, 2016 at 1:32 PM, Matt Garman wrote: > On Sun, Oct 23, 2016 at 8:02 AM, Larry Martell > wrote: >>> To be clear: the python script is moving files on the same NFS file >>> system? E.g., something like >>> >>> mv /mnt/nfs-server/dir1/file /mnt/nfs-server/dir2/file >>> >>> where

Re: [CentOS] NFS help

2016-10-24 Thread Matt Garman
On Sun, Oct 23, 2016 at 8:02 AM, Larry Martell wrote: >> To be clear: the python script is moving files on the same NFS file >> system? E.g., something like >> >> mv /mnt/nfs-server/dir1/file /mnt/nfs-server/dir2/file >> >> where /mnt/nfs-server is the mount point of the NFS server on the >>

Re: [CentOS] NFS help

2016-10-24 Thread m . roth
Gordon Messmer wrote: > On 10/24/2016 04:51 AM, mark wrote: >> Absolutely add nobarrier, and see what happens. > > Using "nobarrier" might increase overall write throughput, but it > removes an important integrity feature, increasing the risk of > filesystem corruption on power loss. I wouldn't re

Re: [CentOS] NFS help

2016-10-24 Thread Gordon Messmer
On 10/24/2016 04:51 AM, mark wrote: Absolutely add nobarrier, and see what happens. Using "nobarrier" might increase overall write throughput, but it removes an important integrity feature, increasing the risk of filesystem corruption on power loss. I wouldn't recommend doing that unless y

Re: [CentOS] NFS help

2016-10-24 Thread mark
On 10/24/16 03:52, Larry Martell wrote: On Fri, Oct 21, 2016 at 11:42 AM, wrote: Larry Martell wrote: On Fri, Oct 21, 2016 at 11:21 AM, wrote: Larry Martell wrote: We have 1 system ruining Centos7 that is the NFS server. There are 50 external machines that FTP files to this server fairly

Re: [CentOS] NFS help

2016-10-24 Thread Larry Martell
On Sun, Oct 23, 2016 at 9:02 AM, Larry Martell wrote: > Hi Matt- > > Thank you for this very detailed and thoughtful reply. > > On Fri, Oct 21, 2016 at 4:43 PM, Matt Garman wrote: >> On Fri, Oct 21, 2016 at 4:14 AM, Larry Martell >> wrote: >>> We have 1 system ruining Centos7 that is the NFS se

Re: [CentOS] NFS help

2016-10-24 Thread Larry Martell
On Fri, Oct 21, 2016 at 11:42 AM, wrote: > Larry Martell wrote: >> On Fri, Oct 21, 2016 at 11:21 AM, wrote: >>> Larry Martell wrote: We have 1 system ruining Centos7 that is the NFS server. There are 50 external machines that FTP files to this server fairly continuously. We

Re: [CentOS] NFS help

2016-10-23 Thread Larry Martell
On Sun, Oct 23, 2016 at 9:02 AM, Larry Martell wrote: > Hi Matt- > > Thank you for this very detailed and thoughtful reply. > > On Fri, Oct 21, 2016 at 4:43 PM, Matt Garman wrote: >> On Fri, Oct 21, 2016 at 4:14 AM, Larry Martell >> wrote: >>> We have 1 system ruining Centos7 that is the NFS se

Re: [CentOS] NFS help

2016-10-23 Thread Larry Martell
Hi Matt- Thank you for this very detailed and thoughtful reply. On Fri, Oct 21, 2016 at 4:43 PM, Matt Garman wrote: > On Fri, Oct 21, 2016 at 4:14 AM, Larry Martell > wrote: >> We have 1 system ruining Centos7 that is the NFS server. There are 50 >> external machines that FTP files to this ser

Re: [CentOS] NFS help

2016-10-21 Thread Matt Garman
On Fri, Oct 21, 2016 at 4:14 AM, Larry Martell wrote: > We have 1 system ruining Centos7 that is the NFS server. There are 50 > external machines that FTP files to this server fairly continuously. > > We have another system running Centos6 that mounts the partition the files > are FTP-ed to using

Re: [CentOS] NFS help

2016-10-21 Thread Larry Martell
On Fri, Oct 21, 2016 at 1:55 PM, wrote: > Larry Martell wrote: >> On Fri, Oct 21, 2016 at 11:42 AM, wrote: >>> Larry Martell wrote: On Fri, Oct 21, 2016 at 11:21 AM, wrote: > Larry Martell wrote: >> We have 1 system ruining Centos7 that is the NFS server. There are > 50 external

Re: [CentOS] NFS help

2016-10-21 Thread m . roth
Larry Martell wrote: > On Fri, Oct 21, 2016 at 11:42 AM, wrote: >> Larry Martell wrote: >>> On Fri, Oct 21, 2016 at 11:21 AM, wrote: Larry Martell wrote: > We have 1 system ruining Centos7 that is the NFS server. There are 50 external machines that FTP files to this server fairly conti

Re: [CentOS] NFS help

2016-10-21 Thread Larry Martell
On Fri, Oct 21, 2016 at 11:42 AM, wrote: > Larry Martell wrote: >> On Fri, Oct 21, 2016 at 11:21 AM, wrote: >>> Larry Martell wrote: We have 1 system ruining Centos7 that is the NFS server. There are 50 external machines that FTP files to this server fairly continuously. We

Re: [CentOS] NFS help

2016-10-21 Thread m . roth
Larry Martell wrote: > On Fri, Oct 21, 2016 at 11:21 AM, wrote: >> Larry Martell wrote: >>> We have 1 system ruining Centos7 that is the NFS server. There are 50 >>> external machines that FTP files to this server fairly continuously. >>> >>> We have another system running Centos6 that mounts the

Re: [CentOS] NFS help

2016-10-21 Thread Larry Martell
On Fri, Oct 21, 2016 at 11:21 AM, wrote: > Larry Martell wrote: >> We have 1 system ruining Centos7 that is the NFS server. There are 50 >> external machines that FTP files to this server fairly continuously. >> >> We have another system running Centos6 that mounts the partition the files >> are

Re: [CentOS] NFS help

2016-10-21 Thread m . roth
Larry Martell wrote: > We have 1 system ruining Centos7 that is the NFS server. There are 50 > external machines that FTP files to this server fairly continuously. > > We have another system running Centos6 that mounts the partition the files > are FTP-ed to using NFS. What filesystem? mark