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charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spamd-Result: default: False [-4.00 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-0.997]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20230601]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; ARC_NA(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; TAGGED_FROM(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; MIME_TRACE(0.00)[0:+]; FROM_HAS_DN(0.00)[]; MISSING_XM_UA(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; PREVIOUSLY_DELIVERED(0.00)[freebsd-fs@freebsd.org]; TO_DN_NONE(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; MID_RHS_MATCH_FROMTLD(0.00)[]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; MLMMJ_DEST(0.00)[freebsd-fs@freebsd.org]; RCVD_COUNT_ONE(0.00)[1]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::332:from] X-Rspamd-Queue-Id: 4XXVtv2PJDz4pWh X-Spamd-Bar: --- On Mon, Oct 21, 2024 at 11:53=E2=80=AFAM void wrote: > > Hi Rick, thanks for replying > > On Mon, Oct 21, 2024 at 09:17:05AM -0700, Rick Macklem wrote: > > >There are lots of possibilities, but here are a couple to try... > >vfs.zfs.dmu_offset_next_sync=3D0 - this makes SEEK_HOLE/SEEK_DATA > >much faster, but less reliable (as in it might miss finding a hole) > > >vfs.nfsd.cachetcp=3D0 - this disables the DRC cache for TCP connections > >(if this helps, there are settings to try to tune he DRC). > >Disabling the DRC for TCP means that there is a > >slight chance of corruption, due to duplicate > >non-idempotent RPCs being done after a TCP reconnect. Has no > >effect on NFSv4.1/4.2 mounts. > > How can I tell what version NFS mount it has? > rpcinfo nfs-server-ip shows versions 4,3,2,1 On the clients type: # nfsstat -m rick > -- >