这是在搜索xenserver 的 SR 的问题的时候无意中找到的，很有帮助，对于我这种懒人来说
xe help –all|more
Show a list of XenServer CLI commands
xsconsole
Runs up the XenServer text based console
xe-toolstack-restart
Restarts the XenServer management tools
ls –l
List files in a Directory
less /var/log/dmesg
Display Boot Messages from Linux
xe host-dmesg
Xen Hypervisor Boot messages
tail –f /var/log/xensource.log
Look at xapi messages as they happen
tail –f /var/log/xensource.log | grep xxx
Look at xapi messages only for vm uuid xxx
tail –f [log name] > [target filename]
Send output to a file for analysis later
cat /etc/xensource-inventory
Display XenSource Inventory info
xen-bugtool –yes
Build a status report when xapi is down
xe-backup-metadata -d –u [uuid of SR]
Back up Pool metadata for all VMs
tcpdump –i [inf] –vvv –w [filename]
Get a Packet trace from [inf]. E.g. Inf=eth0, xenbr0, vif2.0 etc.
top
List the top processes running in Dom0
xentop
List top Xen processes
mpstat 5
Processor stats in Dom0
vmstat 2
Virtual memory in Dom0
netstat –s
Networking statistics
iostat -d 2 6
Storage traffic stats
list_domains
Lists VMs that are running
fdisk –l
List the disk partitions
hdparm –t /dev/sda3
Device read times for sda3 (normally local SR)
pvs
Show local and remote LVHD SRs
ll /dev/disks/by-id
Look at disk partitions
lvs
List logical volumes (virtual disks)
vgs
List LVM volume groups
cd /var/run/sr-mount
Look at NFS SRs
df -h
Shows how much disk space you have left
dd if=/dev/sdb of=/dev/null iflag=direct bs=1M count=512
Read data performance from sdb.
dd if=/dev/zero of=/dev/sdb oflag=direct bs=1M count=4096
Write performance on sdb. * Don’t use on disks with VMs on them!
ifconfig
Show info on NICs, virtual switches and vNICs
brctl show
Show info on virtual switches
ethtool eth0
Info for NIC eth0
mii-tool
Info on NIC bonding
iscsiadm -m discovery –type sendtargets –port 192.168.250.14
Discover iSCSI targets available to this server
iscsiadm –m session
Open iscsi sessions
history
Lists the history of commands you’ve used
!136
Executes command #136 in the history
history -w history-list.txt
Writes the history info to a text file