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authorTony Hutter <hutter2@llnl.gov>2023-12-21 10:53:16 -0800
committerGitHub <noreply@github.com>2023-12-21 10:53:16 -0800
commita9520e6e5961d9fc58d71b97652773d0f5fee1ff (patch)
tree05592b2a5e896114942dda1f6e7770cd9fc1405c /lib/libzfs/libzfs_impl.h
parent6930ecbb75e17f6d6cc7686211d4f3b34852795b (diff)
zpool: Add slot power control, print power status
Add `zpool` flags to control the slot power to drives. This assumes your SAS or NVMe enclosure supports slot power control via sysfs. The new `--power` flag is added to `zpool offline|online|clear`: zpool offline --power <pool> <device> Turn off device slot power zpool online --power <pool> <device> Turn on device slot power zpool clear --power <pool> [device] Turn on device slot power If the ZPOOL_AUTO_POWER_ON_SLOT env var is set, then the '--power' option is automatically implied for `zpool online` and `zpool clear` and does not need to be passed. zpool status also gets a --power option to print the slot power status. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Mart Frauenlob <AllKind@fastest.cc> Signed-off-by: Tony Hutter <hutter2@llnl.gov> Closes #15662
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