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59112ca27d
There have been rare cases where the VDEV_ENC_SYSFS_PATH value that zed gets passed is stale. To mitigate this, dynamically check the sysfs path at the time of zed event processing, and use the dynamic value if possible. Note that there will be other times when we can not dynamically detect the sysfs path (like if a disk disappears) and have to rely on the old value for things like turning on the fault LED. That is to say, we can't just blindly use the dynamic path in every case. Also: - Add enclosure sysfs entry when running 'zpool add' - Fix 'slot' and 'enc' zpool.d scripts for nvme Reviewed-by: Don Brady <dev.fs.zfs@gmail.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Tony Hutter <hutter2@llnl.gov> Closes #15462
70 lines
1.7 KiB
Bash
Executable File
70 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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#
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# Print SCSI Enclosure Services (SES) info. The output is dependent on the name
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# of the script/symlink used to call it.
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#
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helpstr="
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enc: Show disk enclosure w:x:y:z value.
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slot: Show disk slot number as reported by the enclosure.
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encdev: Show /dev/sg* device associated with the enclosure disk slot.
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fault_led: Show value of the disk enclosure slot fault LED.
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locate_led: Show value of the disk enclosure slot locate LED.
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ses: Show disk's enc, enc device, slot, and fault/locate LED values."
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script="${0##*/}"
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if [ "$1" = "-h" ] ; then
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echo "$helpstr" | grep "$script:" | tr -s '\t' | cut -f 2-
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exit
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fi
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if [ "$script" = "ses" ] ; then
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scripts='enc encdev slot fault_led locate_led'
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else
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scripts="$script"
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fi
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for i in $scripts ; do
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# shellcheck disable=SC2154
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if [ -z "$VDEV_ENC_SYSFS_PATH" ] ; then
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echo "$i="
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continue
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fi
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val=""
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case $i in
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enc)
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if echo "$VDEV_ENC_SYSFS_PATH" | grep -q '/sys/bus/pci/slots' ; then
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val="$VDEV_ENC_SYSFS_PATH"
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else
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val="$(ls """$VDEV_ENC_SYSFS_PATH/../../""" 2>/dev/null)"
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fi
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;;
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slot)
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if echo "$VDEV_ENC_SYSFS_PATH" | grep -q '/sys/bus/pci/slots' ; then
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val="$(basename """$VDEV_ENC_SYSFS_PATH""")"
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else
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val="$(cat """$VDEV_ENC_SYSFS_PATH/slot""" 2>/dev/null)"
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fi
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;;
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encdev)
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val=$(ls "$VDEV_ENC_SYSFS_PATH/../device/scsi_generic" 2>/dev/null)
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;;
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fault_led)
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# JBODs fault LED is called 'fault', NVMe fault LED is called
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# 'attention'.
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if [ -f "$VDEV_ENC_SYSFS_PATH/fault" ] ; then
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val=$(cat "$VDEV_ENC_SYSFS_PATH/fault" 2>/dev/null)
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elif [ -f "$VDEV_ENC_SYSFS_PATH/attention" ] ; then
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val=$(cat "$VDEV_ENC_SYSFS_PATH/attention" 2>/dev/null)
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fi
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;;
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locate_led)
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val=$(cat "$VDEV_ENC_SYSFS_PATH/locate" 2>/dev/null)
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;;
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*)
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val=invalid
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;;
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esac
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echo "$i=$val"
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done
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