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--- computing:zfsreminders [2022/08/08 18:54] – oemb1905
+++ computing:zfsreminders [2024/04/21 23:12] (current) – oemb1905
@@ Line 46: / Line 46: @@
   zfs load-key pool/dataset
   zfs mount pool/dataset
+If you need to delete a dataset, do the following:
+  zfs destroy -r pool/dataset
 To create snapshots, here is a reasonable template:
@@ Line 79: / Line 83: @@
   zpool status -v
   zpool iostat -v
-  zpool list
+  zpool list -v
-Also, ....
+Also, to see whether cache volume is necessary, run and look at cache hit/miss ratio:
+  arc_summary
+Change location of the keys for your encrypted datasets:
+  sudo zfs set keylocation=file:///keys/my.key mypool/mydataset
+Send and receive entire pool to new pool
+  zfs snapshot -r pool1@latestsnap
+  zfs send -R pool1@latestsnap | zfs receive -F pool2
+Arc information
+  arcstat
+  arc_summary -d | less
+  nano /etc/modprobe.d/zfs.conf
+  <# 8GB example - 8*(2^30) = below>
+  <#options zfs zfs_arc_max=8589934592>
+  <# Set Max ARC size => 2GB == 2147483648 Bytes>
+  <options zfs zfs_arc_max=2147483648>
+  <# Set Min ARC size => 1GB == 1073741824>
+  <options zfs zfs_arc_min=1073741824>
+  cat /sys/module/zfs/parameters/zfs_arc_min
+  cat /sys/module/zfs/parameters/zfs_arc_max
+More examples ...
- --- //[[jonathan@haacksnetworking.org|oemb1905]] 2022/08/06 19:43//
+ --- //[[webmaster@haacksnetworking.org|oemb1905]] 2024/04/21 23:12//

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