SRM Test Failover takes long time to complete the step 'Create writable storage snapshot'
Article ID: 403665
Updated On:
Products
Issue/Introduction
An administrator observes SRM Test Failover taking longer time to complete the step 'Create writable storage snapshot'
Environment
VMware Site Recovery Manager 8.X
VMware Site Recovery Manager 9.X
Cause
When VM is powered-off and the VM is set CBT enabled in the reconfigure VM task, it might take long time as CBT initialization needs to retrieve the allocated blocks.
hostd.1: 2025-06-19T15:02:17.587Z Db(167) Hostd[2100351]: [Originator@6876 sub=Vmsvc.vm:/vmfs/volumes/67b654c9-8619d1d5-a68b-6c92cf1e47a0/xxxx/vrTestImage/xxxx.vmx opID=d6b3a604-c099-4885-8907-c1c126244cfd-test:e34f:98bc:f71f:4efa:ed48-ca-01-3b-037f sid=52c287d2 user=vpxuser:VSPHERE.ASCEND\SRM-fb720ed5-d38d-443b-9f1c-ba8e2dda24e6] Adjusting tracking state for disk /vmfs/volumes/67b654c9-8619d1d5-a68b-6c92cf1e47a0/xxxx/vrTestImage/hbrimagedisk.RDID-a851180f-13b9-458f-a4ee-8bc874e35926.vmdk to state enabled
Resolution
Retrieving the allocated blocks takes much time if the disk is huge / there are many fragments of allocation / the storage is slow. It's common that it takes 10+ mins to initialize CBT.
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