Do not require restart when a disk is unreachable during node boot (#18576)

A disk that is not able to initialize when an instance is started
will never have a handler registered, which means a user will
need to restart the node after fixing the disk;

This will also prevent showing the wrong 'upgrade is needed.'
error message in that case.

When the disk is still failing, print an error every 30 minutes;
Disk reconnection will be retried every 30 seconds.

Co-authored-by: Anis Elleuch <anis@min.io>

cmd/storage-rest_test.go

@@ -20,9 +20,12 @@ package cmd
 import (
 	"bytes"
 	"context"
+	"errors"
+	"math/rand"
 	"reflect"
 	"runtime"
 	"testing"
+	"time"
 
 	"github.com/minio/minio/internal/grid"
 	xnet "github.com/minio/pkg/v2/net"
@@ -480,6 +483,14 @@ func newStorageRESTHTTPServerClient(t testing.TB) *storageRESTClient {
 		t.Fatal(err)
 	}
 
+	for {
+		_, err := restClient.DiskInfo(context.Background(), false)
+		if err == nil || errors.Is(err, errUnformattedDisk) {
+			break
+		}
+		time.Sleep(time.Duration(rand.Float64() * float64(100*time.Millisecond)))
+	}
+
 	return restClient
 }