Re: [lustre-discuss] Command line tool to monitor Lustre I/O ?

2019-02-15 Thread Andreas Dilger
On Feb 14, 2019, at 08:09, Laifer, Roland (SCC) wrote: > > Hello, > > since I usually just want to do a short check what is going on on > clients and servers the hint for lltop seemed to be the best for my needs. > > I tried it but there was an error message on the MDS. However, I found > an

Re: [lustre-discuss] Command line tool to monitor Lustre I/O ?

2019-02-14 Thread Laifer, Roland (SCC)
Hello, since I usually just want to do a short check what is going on on clients and servers the hint for lltop seemed to be the best for my needs. I tried it but there was an error message on the MDS. However, I found an easy fix and just had to replace "/proc/fs/lustre/mds", with

Re: [lustre-discuss] Command line tool to monitor Lustre I/O ?

2018-12-21 Thread Christopher Johnston
* lustre-discuss@lists.lustre.org > *Subject:* [lustre-discuss] Command line tool to monitor Lustre I/O ? > > Dear Lustre administrators, > > what is a good command line tool to monitor current Lustre metadata and > throughput operations on the local client or server? Up to

Re: [lustre-discuss] Command line tool to monitor Lustre I/O ?

2018-12-21 Thread Andrew Elwell
On Fri., 21 Dec. 2018, 01:05 Laifer, Roland (SCC) Dear Lustre administrators, > > what is a good command line tool to monitor current Lustre metadata and > throughput operations on the local client or server? > I wrote a small python script to parse lctl get_param and inject it straight into our

Re: [lustre-discuss] Command line tool to monitor Lustre I/O ?

2018-12-21 Thread Martin Hecht
Hello Roland, there is a nice collection of lustre monitoring tools on the lustre wiki: http://wiki.lustre.org/Lustre_Monitoring_and_Statistics_Guide which also contains a couple of references. One of them is lltop, which has already been mentioned a couple of times and that's what came to my

Re: [lustre-discuss] Command line tool to monitor Lustre I/O ?

2018-12-20 Thread Harr, Cameron
er 20, 2018 8:04:55 AM To: lustre-discuss@lists.lustre.org<mailto:lustre-discuss@lists.lustre.org> Subject: [lustre-discuss] Command line tool to monitor Lustre I/O ? Dear Lustre administrators, what is a good command line tool to monitor current Lustre metadata and throughput operations on th

Re: [lustre-discuss] Command line tool to monitor Lustre I/O ?

2018-12-20 Thread Daniel Kobras
Hi Roland! > Am 20.12.2018 um 15:04 schrieb Laifer, Roland (SCC) : > > what is a good command line tool to monitor current Lustre metadata and > throughput operations on the local client or server? Up to now we had > used collectl but this no longer works for Lustre 2.10. The Lustre exporter

Re: [lustre-discuss] Command line tool to monitor Lustre I/O ?

2018-12-20 Thread Alexander I Kulyavtsev
b). Alex. From: lustre-discuss on behalf of Laifer, Roland (SCC) Sent: Thursday, December 20, 2018 8:04:55 AM To: lustre-discuss@lists.lustre.org Subject: [lustre-discuss] Command line tool to monitor Lustre I/O ? Dear Lustre administrators, what is a good command line tool to monit