ssd_mitigation_changes (sonic-net#829)

* ssd_mitigation_changes

* ssd_mitigation_changes

* ssd_mitigation_changes

scripts/fast-reboot

@@ -16,6 +16,7 @@ ASSISTANT_SCRIPT="/usr/bin/neighbor_advertiser"
 DEVPATH="/usr/share/sonic/device"
 PLATFORM=$(sonic-cfggen -H -v DEVICE_METADATA.localhost.platform)
 PLATFORM_PLUGIN="${REBOOT_TYPE}_plugin"
+LOG_SSD_HEALTH="/usr/bin/log_ssd_health"
 
 # Require 100M available on the hard drive for warm reboot temp files,
 # Size is in 1K blocks:
@@ -424,6 +425,12 @@ fi
 # service will go down and we cannot recover from it.
 set +e
 
+if [ -x ${LOG_SSD_HEALTH} ]; then
+    debug "Collecting logs to check ssd health before fast-reboot..."
+    ${LOG_SSD_HEALTH}
+fi
+
+
 # Kill nat docker after saving the conntrack table
 debug "Stopping nat ..."
 /usr/bin/dump_nat_entries.py

scripts/log_ssd_health

@@ -0,0 +1,7 @@
+#! /bin/bash
+
+smartctl -a /dev/sda > /tmp/smartctl
+if [ -f /tmp/smartctl ];then
+    logger -f /tmp/smartctl
+fi
+

setup.py

@@ -79,6 +79,7 @@
         'scripts/intfutil',
         'scripts/intfstat',
         'scripts/lldpshow',
+        'scripts/log_ssd_health',
         'scripts/mmuconfig',
         'scripts/natclear',
         'scripts/natconfig',