Name: Oracle ZFS ZS3 Series
Brand: Oracle
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User Quotas Deferred Update

To use this mode, the storage pool must be upgraded. If you choose not to upgrade the pool and

attempt to use this 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 ZFS Pool Version Summary.

Related Topics

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Applying Deferred Updates BUI, CLI

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“Understanding Deferred Updates” on page 352

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 upgrade

all shares in the system to support this feature. Applying this deferred update also allows the

current usage (user or group) to be queried on a per-filesystem or per-project basis. To quote the

product documentation:

Quotas can be set on a user or group at the filesystem level. These enforce physical data usage

based on the POSIX or Windows identity of the owner or group of the file or directory. There

are some significant differences between user and group quotas and filesystem and project data

quotas.

This update is applied in the background, and takes time proportional to the number of shares

and amount of data on the system. Until this deferred update is finished, attempts to apply user

quotas produce an error indicating that the update is still in progress.

Before attempting to use user or group quotas, read “Space Management for Shares” in Oracle

ZFS Storage Appliance Administration Guide, Release OS8.6.0.

Oracle ZFS ZS3 Series User Manual

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