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XenServer 7.1 Upgrade (VM's are locking up (Presumed cause is I/O…
XenServer 7.1 Upgrade
VM's are locking up
Presumed cause is I/O Errors
Multiple Hosts
Patches did not fix
Presented after upgrade to 7.1 from 6.5
VDI Operations Don't work
operations that don't work
snapshot
export
suspend
Fixes left to try
Unplug VBD's and disconnect/reconnect SR
Export/Import
Fixing vhd-util
Forum Post: coalesce in top I/O
Mount SSD SR on Synology
Transfer to Synology
Can't transfer VDI
Fixes tried
Fully patching servers
Rebooting
Distributing load across hypervisors
Traits of upgrade
6.5 to 7.1
Did not do /safeupgrade flag recommendation
Live migration of VM's
Did the moving of VM's from LocalStorage start this problem?
Treating an I/O Bottleneck problem directly
Identifying an I/O Bottleneck
vhd-util
caused because VDI operations don't work