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shadowd

- shadow migration daemon

用法概要

/usr/lib/fs/shadowd 

svc:/system/filesystem/shadowd:default

描述

shadowd is a daemon that provides background worker threads to migrate data for a shadow migration. A shadow migration gradually moves data from a source file system into a new “shadow” file system. Users can access and change their data within the shadow file system while migration is occurring.

The shadowd service is managed by the service management facility, smf(5). Administrative actions on this service, such as enabling, disabling, or requesting restart, can be performed using svcadm(1M). The service's status can be queried using the svcs(1) command.

The svccfg(1M) command can be used to manage the following parameter related to shadowd:

config_params/shadow_threads

Number of threads to devote to background migration of data. These threads are global to the entire system, and increasing the number can increase concurrency and the overall speed of migration at the expense of increased resource consumption (network, I/O, and CPU).

属性

See attributes(5) for descriptions of the following attributes:

另请参见

shadowstat(1M), zfs(1M), attributes(5)