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05-07-2021 05:12 AM
05-07-2021 05:12 AM
DDS consumed a lot of capacity
I have a 3PAR 8400 with 16 SSD 3.84TB drives. In the SSMC shows the capacity in critical stage. When checked the DDS comsumed over 33TiB. I checked the dedup ratio is 1.2:1. How can I release the DDS space?
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05-07-2021 06:44 AM
05-07-2021 06:44 AM
Re: DDS consumed a lot of capacity
Hello @shang1983
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05-07-2021 07:48 AM
05-07-2021 07:48 AM
Re: DDS consumed a lot of capacity
Hello Shang,
What is the collective used space of all the volumes? Do you see a large difference between the collective utilized space of the volumes and the utilization level showing in the alert? GC should free-up of it's own after the scheduled interval. If the issue continues to persist, please run 'compactcpg' individually for each CPG that contains the TDVVs in question. (please make sure there is no other data movement task like AO etc. are running at the same time.)
Regards,
Srinivas Bhat
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05-07-2021 08:16 AM
05-07-2021 08:16 AM
Re: DDS consumed a lot of capacity
I only used 1 CPG. I've run the compactcpg few times. It only released 800GB of space. There's no AO as the storage only consist of SSD drives.
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05-07-2021 08:46 AM
05-07-2021 08:46 AM
Re: DDS consumed a lot of capacity
You may wait for the scheduled interval to complete and check the status again. Further interrogation of the issue required detailed log analysis. So, if the issue persists even after that, you may reach out to the support.
Regards,
Srinivas Bhat
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05-19-2021 03:06 AM
05-19-2021 03:06 AM
Re: DDS consumed a lot of capacity
Hello Shang,
Were you able to get the issue resolved?
Regards,
Srinivas Bhat
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06-02-2021 07:14 AM
06-02-2021 07:14 AM
Re: DDS consumed a lot of capacity
I'm getting HPE Support to look into this issue. Will update if able to resolve it.