[zfs-discuss] ZFS on RAID-5 array

Gordan Bobic gordan.bobic at gmail.com
Fri Apr 13 08:34:59 EDT 2018

On Fri, Apr 13, 2018 at 1:31 PM, Edward Ned Harvey (zfsonlinux) via
zfs-discuss <zfs-discuss at list.zfsonlinux.org> wrote:
> Allow zfs to toggle the disk's cache on (give zfs the whole disk, not just
> a partition).

This may be a little misleading. Even when zpool is told to use a whole
disk as a vdev it will create two partitions, 1 and 9. Partition 9 is 8MB,
and not used, but it is useful when you discover that the replacement disk
has a few sectors fewer than the original one.
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