On Wed, Mar 13, 2019 at 3:56 AM <xil...@126.com> wrote: > Hi, everyone, there is a VM in the HostedEngine virtual machine that has > been paused due to a storage I/O error, but engine manager services are > normal, what is the problem? > _______________________________________________ > > Which kind of storage? Sometimes when you have block based storage (FC, iSCSI) and you have a disk configured as thin provisioned, it could happen if heavy and/or rapid I/O and LVM resize operations don't satisfy timing needed If this is your case and you think you need enough sustained I/O in one VM you should configure its related disk as preallocated. See this thread about 2 years ago for example: https://lists.ovirt.org/archives/list/users@ovirt.org/thread/S3LXEJV3V4CIOTQXNGZYVZFUSDSQZQJS/
HIH, Gianluca
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