Fixed typos, formatting, etc and added a comment

This patch only touches comments and man pages.
Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

lib/bdev.py

@@ -1058,7 +1058,7 @@ class BaseDRBD(BlockDev): # pylint: disable=W0223
   def _CheckMetaSize(meta_device):
     """Check if the given meta device looks like a valid one.
 
-    This currently only check the size, which must be around
+    This currently only checks the size, which must be around
     128MiB.
 
     """
@@ -1197,7 +1197,7 @@ class DRBD8(BaseDRBD):
   def _GetShowParser(cls):
     """Return a parser for `drbd show` output.
 
-    This will either create or return an already-create parser for the
+    This will either create or return an already-created parser for the
     output of the command `drbd show`.
 
     """

lib/hypervisor/hv_kvm.py

@@ -936,6 +936,7 @@ class KVMHypervisor(hv_base.BaseHypervisor):
       try:
         info = self.GetInstanceInfo(name)
       except errors.HypervisorError:
+        # Ignore exceptions due to instances being shut down
         continue
       if info:
         data.append(info)

man/gnt-cluster.rst

@@ -654,7 +654,7 @@ The ``continue`` option will let the watcher continue.
 
 The ``info`` option shows whether the watcher is currently paused.
 
-redist-conf
+REDIST-CONF
 ~~~~~~~~~~~
 
 **redist-conf** [\--submit]

man/gnt-instance.rst

@@ -1250,7 +1250,7 @@ REPLACE-DISKS
 [\--disks *idx*] {*instance*}
 
 **replace-disks** [\--submit] [\--early-release] [\--ignore-ipolicy]
-{\--iallocator *name* \| \--node *node* } {*instance*}
+{{-I\|\--iallocator} *name* \| \--node *node* } {*instance*}
 
 **replace-disks** [\--submit] [\--early-release] [\--ignore-ipolicy]
 {\--auto} {*instance*}

qa/qa_instance.py

@@ -513,7 +513,7 @@ def _TestInstanceDiskFailure(instance, node, node2, onmaster):
     AssertCommand(" && ".join(cmds), node=[node2, node][int(onmaster)])
 
     print qa_utils.FormatInfo("Write to disks and give some time to notice"
-                              " to notice the problem")
+                              " the problem")
     cmds = []
     for disk in devpath:
       cmds.append(sq(["dd", "count=1", "bs=512", "conv=notrunc",