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bsdinstall.8: Clarify the description of ZFSBOOT_FORCE_4K_SECTORS

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This variable does not set the exact sector size of the pool, but
controls the minimum sector size.  The sector size of the underlying
disks can always be larger than the minium controlled by this knob.

PR:		274513
Reported by:	Albin "a12l" Otterhäll <bugs.freebsd.org@a12l.xyz>

(cherry picked from commit 84f773037e)
This commit is contained in:
John Baldwin 2023-11-18 11:31:07 -08:00
parent a463db46a1
commit 57238e6d03
1 changed files with 6 additions and 3 deletions
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9
usr.sbin/bsdinstall/bsdinstall.8
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@ -23,7 +23,7 @@
.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd September 18, 2023
.Dd November 18, 2023
.Dt BSDINSTALL 8
.Os
.Sh NAME
@ -424,8 +424,11 @@ or raidz3 (RAID-Z3 Triple Redundancy RAID).
Default:
.Dq stripe
.It Ev ZFSBOOT_FORCE_4K_SECTORS
Indicates either the pool will use 4K or 512 sectors.
If this variable is not empty, 4K sectors will be used.
Controls the minimum sector size of the pool.
If this variable is not empty, the minimum sector size is 4K.
If this variable is empty, the minimum sector size is 512.
Note that the sector size of the pool will always be at least
the sector size of the backing disks.
Default:
.Dq 1
.It Ev ZFSBOOT_GELI_ENCRYPTION