zfs:structure:sectors
Differences
This shows you the differences between two versions of the page.
| zfs:structure:sectors [2021/10/13 00:52] – created peter | zfs:structure:sectors [2021/10/13 00:52] (current) – peter | ||
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| * For several decades, most disks used 512 byte sectors. | * For several decades, most disks used 512 byte sectors. | ||
| * More recently, most disks use 4KiB sectors, and some, particularly SSDs, use 8KiB sectors, or even larger. | * More recently, most disks use 4KiB sectors, and some, particularly SSDs, use 8KiB sectors, or even larger. | ||
| + | * ZFS has a property which allows you to manually set the sector size, called **ashift**. | ||
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| ===== ashift ===== | ===== ashift ===== | ||
| - | ZFS has a property which allows you to manually set the sector size, called **ashift**. | + | Somewhat confusingly, |
| - | * Somewhat confusingly, | ||
| * For example, setting **ashift=9** means your sector size will be 2^9, or 512 bytes. | * For example, setting **ashift=9** means your sector size will be 2^9, or 512 bytes. | ||
zfs/structure/sectors.1634086332.txt.gz · Last modified: 2021/10/13 00:52 by peter