PowerVM QuickStart VII-Advanced VIOS Management

PowerVM QuickStart VII-Advanced VIOS Management

Performance Monitoring:

Retrieve statistics for ent0
entstat -all ent0
Reset the statistics for ent0
entstat -reset ent0
View disk statistics (every 2 seconds)
viostat 2
Show summary for the system in stats
viostat -sys 2
Show disk stats by adapter (useful to see per-partition (VIOC) disk stats)
viostat -adapter 2
Turn on disk performance counters
chdev -dev sys0 -attr iostat=true
• The topas command is available in VIOS but uses different command line (start) options. When running, topas uses the standard AIX single key commands and may refer to AIX command line options.
View CEC/cross-partition information
topas -cecdisp

Performance Monitoring:

Create a mksysb file of the system on a NFS mount
backupios -file /mnt/vios.mksysb -mksysb
Create a backup of all structures of (online) VGs and/or storage pools
savevgstruct vdiskvg (Data will be saved to /home/ios/vgbackups)
List all (known) backups made with savevgstruct
restorevgstruct -ls
Backup the system (mksysb) to a NFS mounted filesystem
backupios -file /mnt
• sysplan files can be created from the HMC per-system menu in the GUI or from the command line using mksysplan.
• Partition data stored on the HMC can be backed up using (GUI method): per-system pop-up menu -> Configuration -> Manage Partition Data -> Backup
 

VIOs Security:

List all open ports on the firewall configuration
viosecure -firewall view
To view the current security level settings
viosecure -view -nonint
Change system security settings to default
viosecure -level default
To enable basic firewall settings
viosecure -firewall on
List all failed logins on the system
lsfailedlogin
Dump the Global Command Log (all commands run on system)
lsgcl

PowerVM QuickStart Series:

PowerVM QuickStart I-Overview
PowerVM QuickStart II-VIOS Setup & Management
PowerVM QuickStart III-Virtual Disk Setup & Management
PowerVM QuickStart IV-Virtual Network Setup & Management
PowerVM QuickStart V-VIOS Device Management
PowerVM QuickStart VI-Key VIOS Commands
PowerVM QuickStart VII-Advanced VIOS Management