With the new release of vSphere 4.1, there are new additions to the CLI utilities that administrators can leverage for configurations and troubleshooting. Although, not all were treated equally from an announcement and documentation standpoint. 

Here are some of the new and/or subtle changes with the CLI utilities:

1. vmkfstools undocumented "-D" option now outputs to console along with an entry in /var/log/vmkernel, whereas in the past, to locate the entry within the vmkernel logs for identifying locked files by a particular host as documented in this article

Here is an example of the old version of vmkfstools and -D option:

Here is an example of the new version of vmkfstools and -D option:

 2. storageRM is a debugging utility for Storage I/O Control at the host level.

[[email protected] ~]# /usr/lib/vmware/bin/storageRM -h

Default Values:
SleepTime: 4000
Threshold: 35
Gamma: 0.25
Beta-per-host: 4.00
LowerBound: 4
UpperBound: 64
Storage I/O Control-- This tool does flow control at the host
in order to maintain disk I/O latency close to a
threshold and queue sizes converge at values
proportional to the beta parameter.

The following histogram related options are available:
-a, --print the list of all luns, their latency threshold,
queue depths and if Storage I/O Controlis set/unset
-b, --Beta per host value
-d - put debugging info in the given file
-f, --force the run without checking version or checksum
-g, --defGamma value for use in control equation
-h, --help will print the usage
-l, --lower bound on the length of lun queue, (default 4)
-n, --no anomaly detection is done
-r, --reset issue queue for all luns to default
-s, --sleep time in ms for periodic execution
-t, --threshold on the latency (in ms), for rate control
-u, --upper bound on the length of lun queue (default 64)
-v, --debug log level value
storageRM Usage:
storageRM [options]

3. net-lbt is a debugging utility for the new Load-Based Teaming feature.

[[email protected] ~]# /usr/lib/vmware/bin/net-lbt -h

Usage: [-d] [-t time] [-v] [-s threshold]
-d run in daemon mode
-t daemon sleep period in seconds, minimum 10 seconds
-v run with verbose logging
-s saturate threshold [10, 100], i.e. 60 for 60% of line rate

4. net-dvs is a debugging utility for Distributed vSwitch. 

[[email protected] ~]# /usr/lib/vmware/bin/net-dvs -h

Warning: This is an unsupported command. Use at your own risk.
net-dvs -a [ -P maxPorts] switch_name
net-dvs -d switch_name
net-dvs [ -A | -D ] -p port switch_name
net-dvs [ -s name=value | -u name ] -p port switch_name
net-dvs -l [ switch_name ]
net-dvs -i (init database)
net-dvs [-S | -R | -G ]
net-dvs -T
net-dvs -v "vlanID[;t|p[0-7][;min-max,min-max...]]
net-dvs -V "primaryVID,secondaryVID,i|c|p;primaryVID,secondaryVID,i|c|p..."
net-dvs -m "sid;dname;snaplen;

net-dvs dvswitch -k "respool1_id;respool2_id;..."
net-dvs dvswitch -p dvport -K "respool1_id:shares:limit;respool2_id:shares:limit;..."
net-dvs dvswitch -p dvport -z "respool_id"
net-dvs dvswitch -j [activate|deactivate]
net-dvs -L uplink_name1[,uplink_name2,...] -t team_policy_type -p port switch_name
net-dvs dvswitch -H "red|yellow|green:some message" switch_name
net-dvs -o "depth,param|classname;depth,param|classname;... -p port|globalPropList switch_name
net-dvs --mtu mtu_value [-p dvport] switch_name
net-dvs --x 0|1 -p dvport switch_name
net-dvs --vlan vlanID -p dvport switch_name
net-dvs --reset -p dvport switch_name
net-dvs --cap cap_value -p dvport switch_name
net-dvs --states -p dvport switch_name

5. remoteDeviceConnect is a new utility that allows you to mount various remote devices including floppy and USB. 

/usr/lib/vmware/bin/remoteDeviceConnect: option requires an argument -- h

VMware remote Device Connect
Usage: /usr/lib/vmware/bin/remoteDeviceConnect OPTIONS filename
-h : hostname (localhost)
-p : Port to connect to (63079, 902 for authd)
-t : (Req.) cd-raw, cd-iso, cd-normal, cd-raw-ex, floppy
-d : (Req.) Device node to connect to (floppy0, ideX:Y)
-n : the VM's floppy drive number
-f : fileType
-A : use Authd to connect
-U : username for authd (your username)
-V : the VM to use. (NULL)
-P : password.
remoteDeviceConnect -t floppy -d floppy0 -f device /dev/fd0
remoteDeviceConnect -t floppy -d floppy0 -f file image.flp
remoteDeviceConnect -t usb "path:2/1 vid:0x0547 pid:0x2131"

6. sensorD looks to be a debugging utility that can connect to an ipmi device.

[[email protected] bin]# /usr/lib/vmware/bin/sensord

sensord: failed to open ipmi device: No such file or dir
sensord: unsupported hardware

7. statedumper looks to be a debugging utility for output information about the system and its states.

[[email protected] bin]# /usr/lib/vmware/bin/statedumper -h

statedumper [-f filename] [-s off] [-e off] [-b] [-o] [-r] [-x]

The following options are supported:
-e - end dump at offset
-f - use filename rather than the default state.log
-o - output entry offsets
-r - output all registers, output 64 bits with -r64
-s - start dumping at offset
-b - filter on branch count, use -s and -e for start/end
-x - dump extra debug data

8. vmkeventd looks to be a utility for capturing VMkernel events

[[email protected] bin]# /usr/lib/vmware/bin/vmkeventd -h

/usr/lib/vmware/bin/vmkeventd: invalid option -- h
Usage: /usr/lib/vmware/bin/vmkeventd [-d]

9. analyze-esx-init-boot.py looks like a debugging utility to analyze the COS boot up logs

[[email protected] ~]# /usr/sbin/analyze-esx-init-boot.py -s -S /vmfs/volumes/datastore1/esxconsole-4c27dd75-a38d-5044-5670-005056927558/logs/sysboot.log -V /var/log/messages
ERROR: Could not find 'cpu 0: early measured tsc speed' in the log
This is one of the very first log messages after boot
POST boot times will not be relevant
Unable to find vsish. Please ensure that you have debugging tools installed and your PATH is correctly setup.
VMKernel: 0.0000 secs
POST Tests: 0.0000 secs
Init Scripts: 0.0000 secs

ESX Boot Time: 0.0000 secs
Hardware/BIOS: 0.0000 secs

Total Boot Time: 0.0000 secs

Serial port output was on

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