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Vdev Properties Feature

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Add properties, similar to pool properties, to each vdev.
This makes use of the existing per-vdev ZAP that was added as
part of device evacuation/removal.

A large number of read-only properties are exposed,
many of the members of struct vdev_t, that provide useful
statistics.

Adds support for read-only "removing" vdev property.
Adds the "allocating" property that defaults to "on" and
can be set to "off" to prevent future allocations from that
top-level vdev.

Supports user-defined vdev properties.
Includes support for properties.vdev in SYSFS.

Co-authored-by: Allan Jude <allan@klarasystems.com>
Co-authored-by: Mark Maybee <mark.maybee@delphix.com>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Mark Maybee <mark.maybee@delphix.com>
Signed-off-by: Allan Jude <allan@klarasystems.com>
Closes #11711
This commit is contained in:
Allan Jude
2021-11-30 09:46:25 -05:00
committed by GitHub
parent 5f64bf7fde
commit 2a673e76a9
33 changed files with 2746 additions and 243 deletions
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lib/libzutil/zutil_import.c
+9 -8
View File
@@ -1888,6 +1888,15 @@ for_each_vdev_cb(void *zhp, nvlist_t *nv, pool_vdev_iter_f func,
ZPOOL_CONFIG_CHILDREN
};
if (nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) != 0)
return (ret);
/* Don't run our function on root or indirect vdevs */
if ((strcmp(type, VDEV_TYPE_ROOT) != 0) &&
(strcmp(type, VDEV_TYPE_INDIRECT) != 0)) {
ret |= func(zhp, nv, data);
}
for (i = 0; i < ARRAY_SIZE(list); i++) {
if (nvlist_lookup_nvlist_array(nv, list[i], &child,
&children) == 0) {
@@ -1906,14 +1915,6 @@ for_each_vdev_cb(void *zhp, nvlist_t *nv, pool_vdev_iter_f func,
}
}
if (nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) != 0)
return (ret);
/* Don't run our function on root vdevs */
if (strcmp(type, VDEV_TYPE_ROOT) != 0) {
ret |= func(zhp, nv, data);
}
return (ret);
}