User Tools

Site Tools


computing:zfsreminders

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision
Previous revision
Last revisionBoth sides next revision
computing:zfsreminders [2022/08/08 18:54] oemb1905computing:zfsreminders [2024/04/21 23:12] oemb1905
Line 46: Line 46:
   zfs load-key pool/dataset   zfs load-key pool/dataset
   zfs mount 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: To create snapshots, here is a reasonable template:
Line 79: Line 83:
   zpool status -v   zpool status -v
   zpool iostat -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//
computing/zfsreminders.txt · Last modified: 2024/05/11 16:48 by oemb1905