if I remember correctly node exporter will hang too when an nfs share hangs. maybe you can test it...
On Tue, Mar 3, 2020 at 6:26 PM Yagyansh S. Kumar <[email protected]> wrote: > > I also thought about doing the same, but I am keeping that as a last resort > because that would require me to push the script to all my 2500+ servers. > > On Tuesday, March 3, 2020 at 8:46:27 PM UTC+5:30, Murali Krishna Kanagala > wrote: >> >> I would write a small shell script that tries to write to the nfs mount >> path and writes the status to a file which can be read by the text file >> collector. And schedule that shell script cron. I think this is the easiest >> solution. >> >> On Tue, Mar 3, 2020, 9:12 AM Yagyansh S. Kumar <[email protected]> wrote: >>> >>> Already enabled the nfs and nfsd collectors. Till now I haven't found >>> anything that can accurately give me the information about NFS hang. >>> Correct me if I am wrong, but I don't think it is a good indicator of NFS >>> hang as there may be times where no activity is happening on the NFS, but >>> that does not mean that NFS is hanged. (eg. I have 25 NFS mounts on one of >>> my servers, some of them are used rarely, so we won't find any substantial >>> IO on those mounts, but I need to know whether they are accessible or not). >>> Still, thanks for the suggestion, will try it out once. >>> >>> >>> On Tuesday, March 3, 2020 at 8:35:03 PM UTC+5:30, Murali Krishna Kanagala >>> wrote: >>>> >>>> Try enabling the nfs options in the node exporter config. It will spit out >>>> some metrics about the nfs status. >>>> >>>> Also look at the disk IO metrics from node exporter and if you see no >>>> activity which indicates the nfs is not doing anything. >>>> >>>> On Tue, Mar 3, 2020, 7:10 AM Yagyansh S. Kumar <[email protected]> >>>> wrote: >>>>> >>>>> I want to check if the NFS is hanged(i.e whether it is accessible from >>>>> the server or not, and if yes then what is the response time it is >>>>> getting). I know using the mountstats and nfs collector we have a lot of >>>>> metrics for NFS, but haven't found any that can tell me every time the >>>>> NFS hangs correctly. >>>>> Thanks in advance. >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google Groups >>>>> "Prometheus Users" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send an >>>>> email to [email protected]. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/prometheus-users/06929518-d3b5-4c2f-9490-b08cc664d26b%40googlegroups.com. >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Prometheus Users" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/prometheus-users/1dda60cc-0b20-47da-87ff-4f1c76ce076f%40googlegroups.com. > > -- > You received this message because you are subscribed to the Google Groups > "Prometheus Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/prometheus-users/832f2823-eab1-4f40-8f91-ddbc00190551%40googlegroups.com. -- You received this message because you are subscribed to the Google Groups "Prometheus Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/CAP9WWed%2BtxJVRSJc0mkCOkg6_neGAJRNEMq_hku87LPbYXAhjA%40mail.gmail.com.
