Differences

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--- zfs [2025-06-28 13:21] – weichbr
+++ zfs [2026-02-09 17:21] (current) – weichbr
@@ Line 3: / Line 3: @@
 === Create a pool ===
-   * Get disk ids from ''/dev/disk/by-id''
+   * Get disk ids from ''/dev/disk/by-id'', do not use ''/dev/sdX''
    * ''zpool create <name> <type> <disks>''
-   * ''zpool create ssds mirror nvme-Samsung_SSD_980_TB_ABCD nvme-Samsung_SSD_980_TB_EFGH''
+   * Example: ''zpool create ssds mirror nvme-Samsung_SSD_980_TB_ABCD nvme-Samsung_SSD_980_TB_EFGH''
    * Don't set ''ashift'', let zfs figure it out. You can check with ''zdb -C <pool>'' what value it uses.
       * Only set it, if it's wrong. ''ashift=12'' for 4K physical sectors
    * Set ''autotrim=on'' for SSDs
+   * When creating a pool ''-o'' is for pool options. To pass options to the root dataset, use ''-O''.
+A good set of defaults for a new pool:
+''-o autotrim=on -O acltype=posixacl -O xattr=sa -O normalization=formD -O compression=zstd -O atime=on -O relatime=on -O %%"%%com.sun:auto-snapshot%%"%%=false''
 === Create a dataset ===
@@ Line 17: / Line 22: @@
    * Enable comporession: ''-o compression=zstd''
    * ''recordsize'' of 128K is default. When storing large files, e.g., media, set this higher, e.g., 1M
-   *
+Creating a dataset with encryption:
+'' echo -n password | zfs create pool/dataset -o compression=zstd -o normalization=formD -o xattr=sa -o acltype=posixacl -o atime=on -o relatime=on -o %%"%%com.sun:auto-snapshot%%"%%=false -o encryption=on -o keyformat=passphrase -o keylocation=file:/%%//%%dev/stdin''