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17 Cards in this Set

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  • Back
How does a Virtual disk look to a VM?
like raw storage
When can storage be added to a linux or windows storage?
While it's on or off
After storage on a virtual disk has been expanded, what must be done on the virtual machine?
Expand the file system on the new space
What storage system does not allow expansion?
NFS
Why is over allocating on a NFS disk alright?
The used disk sparse allocation.
When can a virtual NIC be added to a VM?
When it's on or offline.
When a virtual CPU is added what must be done with Windows machines?
They must be rebooted
T/F change the amount of memory available to a Vm requires a restart?
True
What does the CPU scheduler do?
Move virtualCPUs between cores
CPU priorities are available on whuch versions of Xenserver?
Enterprise and Platinum
XenServer Enterprise permits network bandwith settings on each virtual NIC, set in what?
kb/sec
When dealing with storage I/O what is the highest priority?
0
When dealing with storage I/o what is the lowest priority?
7
what are the four main items that trigger an alert?
resource pool is overcommitted, drop in the number of tolerable host failures, XenCenter is out of date, XenCenter patch available
How often is performance data gathered?
every 5 min
Where are performance monitoring setting stored?
/etc/sysconfig/perfmon
What is the script run that emails alerts?
/etc/xensource/scripts/mail-alarm