13065 log when suspending a zpool
Reviewed by: Andy Fiddaman <andy@omniosce.org>
Reviewed by: Toomas Soome <tsoome@me.com>

@@ -22,10 +22,11 @@
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2011, 2018 by Delphix. All rights reserved.
  * Copyright (c) 2011 Nexenta Systems, Inc. All rights reserved.
  * Copyright (c) 2014 Integros [integros.com]
  * Copyright (c) 2017, Intel Corporation.
+ * Copyright 2020 Joyent, Inc.
  */
 
 #include <sys/sysmacros.h>
 #include <sys/zfs_context.h>
 #include <sys/fm/fs/zfs.h>

@@ -1982,10 +1983,14 @@
         if (spa_get_failmode(spa) == ZIO_FAILURE_MODE_PANIC)
                 fm_panic("Pool '%s' has encountered an uncorrectable I/O "
                     "failure and the failure mode property for this pool "
                     "is set to panic.", spa_name(spa));
 
+        cmn_err(CE_WARN, "Pool '%s' has encountered an uncorrectable I/O "
+            "failure and has been suspended; `zpool clear` will be required "
+            "before the pool can be written to.", spa_name(spa));
+
         zfs_ereport_post(FM_EREPORT_ZFS_IO_FAILURE, spa, NULL,
             NULL, NULL, 0, 0);
 
         mutex_enter(&spa->spa_suspend_lock);