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Posted to commits@cloudstack.apache.org by "andrijapanicsb (via GitHub)" <gi...@apache.org> on 2026/07/23 16:19:50 UTC

Re: [PR] VMware→KVM: cold (VDDK) and warm (CBT) migration into Ceph/RBD and Linstor, plus importVm adoption of existing RBD root volumes [cloudstack]

andrijapanicsb commented on PR #13656:
URL: https://github.com/apache/cloudstack/pull/13656#issuecomment-5060779107

   Good catch @rp-  — fixed in da57d6a22d. Added KVMStoragePool.isVolumeZeroInitialized() (default false) so zero-skipping only happens when the backend guarantees it; Linstor implements it via the existing resourceSupportZeroBlocks provider check, so LVM-thick correctly writes zeros. Made it a generic pool capability as you suggested, so other block providers can opt in. Thanks for flagging the shared-disk / LVM-thick case.


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