fix: Add SMART plugin concurrency configuration option, nvme-cli v1.1…

…4+ support and lint fixes.

plugins/inputs/smart/README.md

@@ -112,6 +112,13 @@ smartctl --scan -d nvme
 
     ## Timeout for the cli command to complete.
     # timeout = "30s"
+
+    ## Optionally call smartctl and nvme-cli sequentially to gather disk attributes.
+    ## By default, smartctl and nvme-cli are called in separate threads (goroutines) to gather disk attributes.
+    ## Some devices (e.g. disks in RAID arrays) may have access limitations that require sequential reading of
+    ## SMART data - one individual array drive at the time. In such case please set this configuration option to false
+    ## to get readings for all drives.
+    # parallel_reads = true
 ```
 
 ## Permissions
@@ -235,13 +242,26 @@ the DEVICE (name of the device could be taken from the previous command):
 smartctl --info --health --attributes --tolerance=verypermissive --nocheck NOCHECK --format=brief -d DEVICE
 ```
 
-If you try to gather vendor specific metrics, please provide this commad
+If you try to gather vendor specific metrics, please provide this command
 and replace vendor and device to match your case:
 
 ```sh
 nvme VENDOR smart-log-add DEVICE
 ```
 
+If you have specified devices array in configuration file, and Telegraf only shows data from one device, you should
+change the plugin configuration to sequentially gather disk attributes instead of collecting it in separate threads
+(goroutines). To do this find in plugin configuration parallel_reads and change it to false:
+
+```toml
+    ## Optionally call smartctl and nvme-cli sequentially to gather disk attributes.
+    ## By default, smartctl and nvme-cli are called in separate threads (goroutines) to gather disk attributes.
+    ## Some devices (e.g. disks in RAID arrays) may have access limitations that require sequential reading of
+    ## SMART data - one individual array drive at the time. In such case please set this configuration option to false
+    ## to get readings for all drives.
+    parallel_reads = false
+```
+
 ## Example SMART Plugin Outputs
 
 ```shell