This article applies to all JSDR software versions.
Problem
The amount of Remaining Background data is not coming down which means Data does not change or decrease over time.
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Issue
If the remaining background data does not decrease over time, it can indicate the VM I/O is not able to replicate to the Object object store.
In the below scenario, we observed the (remaining BG data) never came down.
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Let's know more about Background Replication field.
The
Background replication is the process of reading existing data from the virtual disk at the protected site and copying it to the object store.
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recovery site. Problems with background replication can be caused by:
Replication Log
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Volume full
The replication log and metadata
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have no space left.
Replication not progressing
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Replication is not processing
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and becomes stuck due to disruption between the DRVA and
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object store. This can be checked from
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the Incoming and Outgoing Data Rate report.
Replication is
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slow
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Replication is
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slow due to a network bandwidth
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issue. This can be
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checked by
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monitoring the DRVA VM network statistics.
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| Info |
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References: Please refer the below KB if a Replication log volume is full.
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Refer to the linked KB article to determine if space on the Replication Log Volume is low. |