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 OS8.7.0.
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