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2017 Jan 16
2
io=native & io=threads
Googling provides lots of interesting info on the use of these in
various situations such as SSD, number of VMs in the pool etc.
What is the default in Libvirt (or is the default 'neither')
Sincerely
W Kern
2017 Jan 17
0
Re: io=native & io=threads
.... For these you should use "threads".
This is to avoid guest stalls when the host OS has to allocate
a filesystem block to grow the file.
Also note the io setting is only relevant for file/block device
backed disks. ie if using the in-QEMU network client for RBD,
Gluster, iSCSI, NFS, etc thenm the io setting has no effect at
all so can be ignored.
Regards,
Daniel
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