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