Passthrough X; Passthrough-X Deferred Update; User Quotas; User Quotas Deferred Update - Oracle Sun ZFS Service Manual

1. Support for the "passthrough-x" aclinherit property for shares.
clownfish:maintenance system updates> apply
Applying deferred updates will prevent rolling back to previous versions of
software.
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clownfish:maintenance system updates> apply

Passthrough x

Passthrough-x Deferred Update

For filesystems, ACLs are inherited according to the "aclinherit" property on the filesystem (or
inherited from the project). Previous versions of software allowed four options for this setting:
"discard", "noallow", "restricted", and "passthrough". The 2009.Q2.0.0 release introduces a new
option, "passthrough-x", with slightly different semantics as described in the product
documentation:
Same as 'passthrough', except that the owner, group, and everyone ACL entries inherit the execute
permission only if the file creation mode also requests the execute bit.
The "passthrough" mode is typically used to cause all "data" files to be created with an identical
mode in a directory tree. An administrator sets up ACL inheritance so that all files are created
with a mode, such as 0664 or 0666. This all works as expected for data files, but you might want
to optionally include the execute bit from the file creation mode into the inherited ACL. One
example is an output file that is generated from tools, such as "cc" or "gcc". If the inherited ACL
doesn't include the execute bit, then the output executable from the compiler won't be
executable until you use chmod(1) to change the file's permissions.
In order to use this new mode, the storage pool must be upgraded. If you choose not to upgrade
the pool and attempt to use this new property, you will get an error indicating that the storage
pool needs to be upgraded first. There is no other implication of applying this update, and it can
be ignored if there is no need to use this new setting. Applying this update is equivalent to
upgrading the on-disk ZFS pool to
(http://www.opensolaris.org/os/community/zfs/version/14/.)

User Quotas

User Quotas Deferred Update

With the 2009.Q3 software release, the system now supports user and group quotas on a
per-share basis. In order to make use of this feature, a deferred update must be applied to
Chapter 3 • System Maintenance
http://www.opensolaris.org/os/community/zfs/version/14/.
User Quotas
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