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ASM and ACFS are related (an ACFS volume is part of an ASM diskgroup), but not the same
you have ASM diskgroup with 23 GB storage
you created an ACFS volume on it with ~23 GB size
from ASM point of view, the diskgroup is almost full, because of the ACFS volume
from ACFS point of view, its empty, because you didnt put anything yet on that volume
its similar as LVM
you create a volume group (ASM diskgroup in this analogy) with 23 GB size
then you create a volume (ACFS volume in this analogy) with nearly 23 GB size
volume group is almost "full", while volume is empty
not a problem, its normal
however storing database files on an ACFS volume is just 1 more unneeded layer, ASM alone is perfectly enough for this purpose
exist any way that syncronice ASM with ACFS?what do you mean? space usage report?
you dont synchonize them, as i already said, ACFS is part of ASM
lets say your ASM is 23 GB
then you could create for example and 5 GB, an 7 GB and a 9 GB volume and still store 2 GB on the diskgroup
now how do you "synchronize" this?
ok, thanks alot. I got it.
I means that when you check the space of the diskgroups, instead the warning of "diskgroup is almost full" shows the real space in ACFS.
I.E., if you create an ACFS of 10G and has only 1Gb of space occuped, when you check the diskgroup space its looks like 1Gb, not the 10G.