From 9c0d63603825612b11eabc240681669a9730785f Mon Sep 17 00:00:00 2001
From: John-Mark Gurney <jmg@funkthat.com>
Date: Tue, 13 Oct 2020 14:56:52 -0700
Subject: [PATCH] add script for getting disk size and lifetime in a nice
 table...

This depends upon drives being labeled, which I do..
---
 diskstat | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100755 diskstat

diff --git a/diskstat b/diskstat
new file mode 100755
index 0000000..4280963
--- /dev/null
+++ b/diskstat
@@ -0,0 +1,60 @@
+#!/bin/sh
+
+# | egrep $(zpool list -v ztank | grep label | awk 'BEGIN { j="" } { printf "%s%s", j, substr($1, 7, length($1) - 10); j="|" } END { print "" }' )
+# state=0 parsing diskinfo
+# state=1 parsing glabel
+(diskinfo /dev/ada*[0-9]; glabel status) | awk -v state=0 '
+BEGIN {
+}
+
+function printdiskinfo(lblname, devname) {
+	cmd = "smartctl -a /dev/" devname " | egrep '"'"'Device Model|Power_On_Hours'"'"'"
+	cmd | getline
+	$1 = ""
+	$2 = ""
+	model = $0
+	cmd | getline
+	hours = $10
+	close(cmd)
+
+	years = sprintf("%.4g", ( hours / 24. / 365 ))
+	print lblname "\t->\t" devname "\t->\t" disksize[devname] " TB\t->\t" years "\t" model
+	delete disksize[devname]
+}
+
+$0 ~ "Name" {
+	state=1
+}
+
+state == 0 {
+	ncomp = split($1, comp, "/")
+	basecomp = comp[ncomp]
+	if (basecomp !~ "p") {
+		tb = int($3 / 1000 / 1000 / 1000 / 1000)
+		if (tb != 0)
+			disksize[basecomp] = tb
+		if (tb == 0)
+			disksize[basecomp] = sprintf("%.2f", int($3 / 1000 / 1000 / 1000) / 1000)
+	}
+}
+
+state == 1 {
+	ncomp = split($1, comp, "/")
+	basecomp = comp[ncomp]
+	devname = $3
+
+	if (comp[1] != "label") {
+		next
+	}
+
+	printdiskinfo(basecomp, devname)
+
+}
+
+END {
+	for (i in disksize) {
+		printdiskinfo("xxx", i)
+	}
+}
+' - | sort
+echo