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Apr
20
comment rsync ionice destination
According to atop the disk io is constantly bursting to 100%. I am not sure what you mean by "storage I/O elevators", so I probably run the defaults?
Apr
20
comment rsync ionice destination
From what I have seen, limiting network bandwidth does not limit disk io (thousands of directories need to be scanned, even if no files have changed). Should --bwlimit also limit disk i/o?
Apr
20
comment rsync ionice destination
We have several OpenVZ hosts. These are 16-core Xeon machines running CentOS. Each night we copy all OpenVZ containers to another hosts. Since our IP addresses are routeable to all hosts, this allows us to quickly activate a backup VPS in case a host fails.