computing:zfsreminders
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| computing:zfsreminders [2022/11/13 04:27] – oemb1905 | computing:zfsreminders [2025/02/21 02:42] (current) – oemb1905 | ||
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| Line 3: | Line 3: | ||
| * **Jonathan Haack** | * **Jonathan Haack** | ||
| * **Haack' | * **Haack' | ||
| - | * **webmaster@haacksnetworking.org** | + | * **webmaster@haacksnetworking.org** |
| ------------------------------------------- | ------------------------------------------- | ||
| Line 35: | Line 35: | ||
| If you now have more than one drive, add another drive as a mirror as follows: | If you now have more than one drive, add another drive as a mirror as follows: | ||
| - | zpool attach nameofpool /dev/disk/ | + | zpool attach nameofpool |
| | | ||
| To create an encrypted dataset you generate a key and then specify the location and name of the pool as follows: | To create an encrypted dataset you generate a key and then specify the location and name of the pool as follows: | ||
| Line 49: | Line 49: | ||
| If you need to delete a dataset, do the following: | If you need to delete a dataset, do the following: | ||
| - | zfs destroy -r -n pool/ | + | zfs destroy -r pool/ |
| | | ||
| To create snapshots, here is a reasonable template: | To create snapshots, here is a reasonable template: | ||
| Line 83: | Line 83: | ||
| zpool status -v | zpool status -v | ||
| zpool iostat -v | zpool iostat -v | ||
| - | zpool list | + | zpool list -v |
| | | ||
| Also, to see whether cache volume is necessary, run and look at cache hit/miss ratio: | Also, to see whether cache volume is necessary, run and look at cache hit/miss ratio: | ||
| Line 92: | Line 92: | ||
| sudo zfs set keylocation=file:/// | sudo zfs set keylocation=file:/// | ||
| + | | ||
| + | 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 / | ||
| + | <# 8GB example - 8*(2^30) = below> | ||
| + | <# | ||
| + | <# 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 / | ||
| + | cat / | ||
| + | |||
| + | nmap tests and other security checks | ||
| + | |||
| + | nmap -sV --script ssl-enum-ciphers -p 443 website.com | ||
| + | nikito -h website.com | ||
| + | wpscan --url https:// | ||
| + | |||
| - | --- //[[jonathan@haacksnetworking.org|oemb1905]] | + | --- //[[alerts@haacksnetworking.org|oemb1905]] |
computing/zfsreminders.1668313637.txt.gz · Last modified: 2022/11/13 04:27 by oemb1905
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