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option to KVM, or one of the KVM cache modes: none |
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(for direct I/O), writethrough (to use the host cache |
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but report completion to the guest only when the host |
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has commited the changes to disk) or writeback (to use
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the host cache and report completion as soon as the
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data is in the host cache). Note that there are |
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has committed the changes to disk) or writeback (to
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use the host cache and report completion as soon as
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the data is in the host cache). Note that there are
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special considerations for the cache mode depending on |
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version of KVM used and disk type (always raw file |
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under Ganeti), please refer to the KVM documentation |
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