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| What happens when reserved copy size fills up? https://3parug.org/viewtopic.php?f=18&t=939 |
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| Author: | mujzeptu [ Fri Oct 03, 2014 8:10 am ] |
| Post subject: | What happens when reserved copy size fills up? |
We have LUN's that are VMFS5 datastores and are doing virtual copy jobs daily. They are set to cycle out every 15 days but I have noticed recently that vcenter datastore migrations cause the reserved copy size % to balloon up fast! What should I expect to happen as one now sits at 99%? What do others do to deal with these situations? |
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| Author: | Cleanur [ Fri Oct 03, 2014 8:33 am ] |
| Post subject: | Re: What happens when reserved copy size fills up? |
Shouldn't matter. The reserved size is the size of the backing LD space a as percentage of the requested virtual size e.g it can quite happily exceed 100% and not affect you VV. Why a migration is causing the growth I dunno, but assuming a low enough change rate then zero reclaim/thin persistence should be able to defrag and claw this back over time. |
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