Well something do happen if I restart NFS Service on FreeBSD , it works for like 10 seconds then it gets unresponsive again. This is my output from `nfsstat -d 1` 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 8.00 1025 8.00 8.02 17170 134.54 2.01 72716 142.54 0.07 51 34 8.00 2273 17.76 7.99 31273 244.07 2.01 133267 261.83 0.14 20 82 8.03 4889 38.33 7.99 25885 202.07 2.06 119340 240.40 0.13 21 81 [===== Read =====] [===== Write ====] [=========== Total ============] KB/t tps MB/s KB/t tps MB/s KB/t tps MB/s ms ql %b 7.98 8811 68.64 8.00 12997 101.54 2.22 78396 170.18 0.15 1 80 7.99 922 7.20 8.00 3798 29.68 2.10 17965 36.87 0.09 0 11 8.07 2959 23.31 0.00 0 0.00 2.67 8938 23.31 0.86 32 72 7.97 7088 55.18 0.00 0 0.00 2.66 21233 55.18 1.05 16 98 7.98 4666 36.38 0.00 0 0.00 2.66 13986 36.38 0.36 9 29 8.00 4513 35.24 8.00 7662 59.86 2.20 44188 95.10 0.27 10 49 7.98 4799 37.40 8.00 11422 89.23 2.16 60076 126.63 0.19 0 51 8.00 4322 33.76 0.00 0 0.00 2.67 12967 33.76 0.89 0 42 8.02 4839 37.91 0.00 0 0.00 2.67 14550 37.91 0.54 17 41 8.01 4516 35.32 0.00 0 0.00 2.67 13569 35.32 0.57 27 38 7.95 4459 34.62 8.00 1195 9.34 2.49 18109 43.96 0.55 0 45 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 0.00 0 0 On Thu, Apr 15, 2021 at 9:07 PM Olav Gjerde <olav_at_backupbay.com> wrote: > I have the same issue, using Ubuntu 20.10 with Linux 5.8 kernel. The Linux > NFS client will get unresponsive and it does not recover in my case, even > if I restart NFS on FreeBSD. I upgraded from FreeBSD 12.1-RELEASE though. > > On Thu, Apr 15, 2021 at 8:36 PM Allan Jude <allanjude_at_freebsd.org> wrote: > >> On 4/15/2021 9:22 AM, Chris Roose wrote: >> > I posted this in -questions and someone suggested I post here as well. >> > >> > I'm having NFS availability issues between my Proxmox client and >> FreeBSD server (10G link) since upgrading to 13-RELEASE. And unfortunately >> I upgraded my ZFS pool to v2.0.0 before I noticed the issue, so I'm kind of >> stuck. >> > >> > Periodically, the NFS server (I've tried both v3 and v4.2 clients) will >> go unresponsive for several minutes. I never had this problem on 12.2, and >> as far as I can tell it's not a disk or network I/O issue. I'll get several >> "nfs: server not responding, still trying" messages on the client and a few >> minutes later it usually recovers. It's not clear to me yet what's causing >> the block. Restarting nfsd on the server will resolve the issue if it >> doesn't clear itself. >> > >> > Any pointers for troubleshooting this? I've been looking through >> vmstat, gstat, top, etc. when the problem occurs, but I haven't been able >> to pinpoint the issue. I can get pcap, but it would be from the hosts, >> because I don't have a 10G tap or managed switch. >> > >> >> run `nfsstat -d 1` and try to capture a few lines from before, during, >> and after the stall, and that may provide some insight. >> >> Specifically, does the queue length grow, suggesting it is waiting on >> the I/O subsystem, or does it just stop getting traffic all together. >> >> >> -- >> Allan Jude >> _______________________________________________ >> freebsd-current_at_freebsd.org mailing list >> https://lists.freebsd.org/mailman/listinfo/freebsd-current >> To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org >> " >> > > > -- > Kind Regards / Med Vennlig Hilsen > > Olav Grønås Gjerde > > BackupBay Gjerde > Madlaforen 35 > 4042 HAFRSFJORD > Norway > Phone: +47 918 000 59 > -- Kind Regards / Med Vennlig Hilsen Olav Grønås Gjerde BackupBay Gjerde Madlaforen 35 4042 HAFRSFJORD Norway Phone: +47 918 000 59Received on Thu Apr 15 2021 - 17:21:21 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:41:28 UTC