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Diffstat (limited to 'gemfeed/2025-07-14-f3s-kubernetes-with-freebsd-part-6.html')
| -rw-r--r-- | gemfeed/2025-07-14-f3s-kubernetes-with-freebsd-part-6.html | 50 |
1 files changed, 30 insertions, 20 deletions
diff --git a/gemfeed/2025-07-14-f3s-kubernetes-with-freebsd-part-6.html b/gemfeed/2025-07-14-f3s-kubernetes-with-freebsd-part-6.html index 7a5b4b67..86e1b8d6 100644 --- a/gemfeed/2025-07-14-f3s-kubernetes-with-freebsd-part-6.html +++ b/gemfeed/2025-07-14-f3s-kubernetes-with-freebsd-part-6.html @@ -48,15 +48,15 @@ <li>⇢ ⇢ <a href='#verifying-replication-after-reboot'>Verifying replication after reboot</a></li> <li>⇢ ⇢ <a href='#understanding-failover-limitations-and-design-decisions'>Understanding Failover Limitations and Design Decisions</a></li> <li>⇢ ⇢ <a href='#mounting-the-nfs-datasets'>Mounting the NFS datasets</a></li> -<li>⇢ ⇢ <a href='#troubleshooting-files-not-appearing-in-replication'>Troubleshooting: Files not appearing in replication</a></li> +<li>⇢ <a href='#troubleshooting-files-not-appearing-in-replication'>Troubleshooting: Files not appearing in replication</a></li> <li>⇢ ⇢ <a href='#configuring-automatic-key-loading-on-boot'>Configuring automatic key loading on boot</a></li> <li>⇢ ⇢ <a href='#troubleshooting-zrepl-replication-not-working'>Troubleshooting: zrepl Replication Not Working</a></li> -<li>⇢ <a href='#-check-if-zrepl-services-are-running'>⇢# Check if zrepl Services are Running</a></li> -<li>⇢ <a href='#-check-zrepl-status-for-errors'>⇢# Check zrepl Status for Errors</a></li> -<li>⇢ <a href='#-fixing-no-common-snapshot-errors'>⇢# Fixing "No Common Snapshot" Errors</a></li> -<li>⇢ <a href='#-network-connectivity-issues'>⇢# Network Connectivity Issues</a></li> -<li>⇢ <a href='#-encryption-key-issues'>⇢# Encryption Key Issues</a></li> -<li>⇢ <a href='#-monitoring-ongoing-replication'>⇢# Monitoring Ongoing Replication</a></li> +<li>⇢ ⇢ <a href='#check-if-zrepl-services-are-running'>Check if zrepl Services are Running</a></li> +<li>⇢ ⇢ <a href='#check-zrepl-status-for-errors'>Check zrepl Status for Errors</a></li> +<li>⇢ ⇢ <a href='#fixing-no-common-snapshot-errors'>Fixing "No Common Snapshot" Errors</a></li> +<li>⇢ ⇢ <a href='#network-connectivity-issues'>Network Connectivity Issues</a></li> +<li>⇢ ⇢ <a href='#encryption-key-issues'>Encryption Key Issues</a></li> +<li>⇢ ⇢ <a href='#monitoring-ongoing-replication'>Monitoring Ongoing Replication</a></li> <li>⇢ <a href='#carp-common-address-redundancy-protocol'>CARP (Common Address Redundancy Protocol)</a></li> <li>⇢ ⇢ <a href='#how-carp-works'>How CARP Works</a></li> <li>⇢ ⇢ <a href='#configuring-carp'>Configuring CARP</a></li> @@ -450,10 +450,14 @@ global: interval: 1m pruning: keep_sender: + - <b><u><font color="#000000">type</font></u></b>: last_n + count: <font color="#000000">10</font> - <b><u><font color="#000000">type</font></u></b>: grid grid: 4x7d | 6x30d regex: <font color="#808080">"^zrepl_.*"</font> keep_receiver: + - <b><u><font color="#000000">type</font></u></b>: last_n + count: <font color="#000000">10</font> - <b><u><font color="#000000">type</font></u></b>: grid grid: 4x7d | 6x30d regex: <font color="#808080">"^zrepl_.*"</font> @@ -475,9 +479,15 @@ global: keep_sender: - <b><u><font color="#000000">type</font></u></b>: last_n count: <font color="#000000">10</font> + - <b><u><font color="#000000">type</font></u></b>: grid + grid: 4x7d + regex: <font color="#808080">"^zrepl_.*"</font> keep_receiver: - <b><u><font color="#000000">type</font></u></b>: last_n count: <font color="#000000">10</font> + - <b><u><font color="#000000">type</font></u></b>: grid + grid: 4x7d + regex: <font color="#808080">"^zrepl_.*"</font> EOF </pre> <br /> @@ -722,7 +732,7 @@ paul@f1:~ % doas zfs <b><u><font color="#000000">set</font></u></b> <b><u><font <br /> <span>And replication should work again!</span><br /> <br /> -<h3 style='display: inline' id='troubleshooting-files-not-appearing-in-replication'>Troubleshooting: Files not appearing in replication</h3><br /> +<h2 style='display: inline' id='troubleshooting-files-not-appearing-in-replication'>Troubleshooting: Files not appearing in replication</h2><br /> <br /> <span>If you write files to <span class='inlinecode'>/data/nfs/</span> on <span class='inlinecode'>f0</span> but they don't appear on <span class='inlinecode'>f1</span>, check if the dataset is mounted on <span class='inlinecode'>f0</span>?</span><br /> <br /> @@ -801,7 +811,7 @@ paul@f1:~ % doas zfs <b><u><font color="#000000">set</font></u></b> \ <br /> <span>If <span class='inlinecode'>zrepl</span> replication is not working, here's a systematic approach to diagnose and fix common issues:</span><br /> <br /> -<span>#### Check if zrepl Services are Running</span><br /> +<h3 style='display: inline' id='check-if-zrepl-services-are-running'>Check if zrepl Services are Running</h3><br /> <br /> <span>First, verify that <span class='inlinecode'>zrepl</span> is running on both nodes:</span><br /> <br /> @@ -818,7 +828,7 @@ paul@f0:~ % doas service zrepl start paul@f1:~ % doas service zrepl start </pre> <br /> -<span>#### Check zrepl Status for Errors</span><br /> +<h3 style='display: inline' id='check-zrepl-status-for-errors'>Check zrepl Status for Errors</h3><br /> <br /> <span>Use the status command to see detailed error information:</span><br /> <br /> @@ -833,7 +843,7 @@ paul@f0:~ % doas zrepl status --mode raw <i><font color="silver"># Common errors include "no common snapshot" or connection failures</font></i> </pre> <br /> -<span>#### Fixing "No Common Snapshot" Errors</span><br /> +<h3 style='display: inline' id='fixing-no-common-snapshot-errors'>Fixing "No Common Snapshot" Errors</h3><br /> <br /> <span>This is the most common replication issue, typically occurring when:</span><br /> <br /> @@ -892,7 +902,7 @@ paul@f0:~ % doas zrepl status --mode raw | grep -A<font color="#000000">10</font paul@f0:~ % doas zrepl status --mode raw | grep BytesReplicated </pre> <br /> -<span>#### Network Connectivity Issues</span><br /> +<h3 style='display: inline' id='network-connectivity-issues'>Network Connectivity Issues</h3><br /> <br /> <span>If replication fails to connect:</span><br /> <br /> @@ -910,7 +920,7 @@ paul@f1:~ % doas netstat -an | grep <font color="#000000">8888</font> paul@f0:~ % ping <font color="#000000">192.168</font>.<font color="#000000">2.131</font> </pre> <br /> -<span>#### Encryption Key Issues</span><br /> +<h3 style='display: inline' id='encryption-key-issues'>Encryption Key Issues</h3><br /> <br /> <span>If encrypted replication fails:</span><br /> <br /> @@ -927,7 +937,7 @@ paul@f1:~ % doas zfs load-key -L file:///keys/f<font color="#000000">0</font>.la zdata/sink/f<font color="#000000">0</font>/zdata/enc/nfsdata </pre> <br /> -<span>#### Monitoring Ongoing Replication</span><br /> +<h3 style='display: inline' id='monitoring-ongoing-replication'>Monitoring Ongoing Replication</h3><br /> <br /> <span>After fixing issues, monitor replication health:</span><br /> <br /> @@ -1363,13 +1373,13 @@ HOSTNAME=`hostname` zfs load-key -L file:///keys/f<font color="#000000">0</font>.lan.buetow.org:zdata.key zdata/enc/nfsdata zfs <b><u><font color="#000000">set</font></u></b> mountpoint=/data/nfs zdata/enc/nfsdata <b><u><font color="#000000">else</font></u></b> - doas zfs load-key -L file:///keys/f<font color="#000000">0</font>.lan.buetow.org:zdata.key zdata/sink/f<font color="#000000">0</font>/zdata/enc/nfsdata - doas zfs <b><u><font color="#000000">set</font></u></b> mountpoint=/data/nfs zdata/sink/f<font color="#000000">0</font>/zdata/enc/nfsdata - doas zfs mount zdata/sink/f<font color="#000000">0</font>/zdata/enc/nfsdata - doas zfs <b><u><font color="#000000">set</font></u></b> <b><u><font color="#000000">readonly</font></u></b>=on zdata/sink/f<font color="#000000">0</font>/zdata/enc/nfsdata + zfs load-key -L file:///keys/f<font color="#000000">0</font>.lan.buetow.org:zdata.key zdata/sink/f<font color="#000000">0</font>/zdata/enc/nfsdata + zfs <b><u><font color="#000000">set</font></u></b> mountpoint=/data/nfs zdata/sink/f<font color="#000000">0</font>/zdata/enc/nfsdata + zfs mount zdata/sink/f<font color="#000000">0</font>/zdata/enc/nfsdata + zfs <b><u><font color="#000000">set</font></u></b> <b><u><font color="#000000">readonly</font></u></b>=on zdata/sink/f<font color="#000000">0</font>/zdata/enc/nfsdata <b><u><font color="#000000">fi</font></u></b> - doas service nfsd stop <font color="#000000">2</font>>&<font color="#000000">1</font> - doas service mountd stop <font color="#000000">2</font>>&<font color="#000000">1</font> + service nfsd stop <font color="#000000">2</font>>&<font color="#000000">1</font> + service mountd stop <font color="#000000">2</font>>&<font color="#000000">1</font> <b><u><font color="#000000">fi</font></u></b> |