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Ignore pool ashift property during vdev attachment

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Ashift can be set for a vdev only during its creation, and the
top-level vdev does not change when a vdev is attached or replaced.
The ashift property should not be used during attachment, as it
does not allow attaching/replacing a vdev if the pool's ashift
property is increased after the existing vdev was created. Instead,
we should be able to attach the vdev if the attached vdev can
satisfy the ashift requirement with its parent.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Signed-off-by: Ameer Hamza <ahamza@ixsystems.com>
Closes #15061
This commit is contained in:
Ameer Hamza
2023-07-20 21:57:16 +05:00
committed by Brian Behlendorf
parent f5f5a2db95
commit d8011707cc
5 changed files with 36 additions and 65 deletions
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include/sys/vdev_impl.h
+1
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@@ -420,6 +420,7 @@ struct vdev {
boolean_t vdev_copy_uberblocks; /* post expand copy uberblocks */
boolean_t vdev_resilver_deferred; /* resilver deferred */
boolean_t vdev_kobj_flag; /* kobj event record */
boolean_t vdev_attaching; /* vdev attach ashift handling */
vdev_queue_t vdev_queue; /* I/O deadline schedule queue */
spa_aux_vdev_t *vdev_aux; /* for l2cache and spares vdevs */
zio_t *vdev_probe_zio; /* root of current probe */