ARC larger than RAM ??
Xeon E3-1225v2 / 32GB DDR3-1600 ECC / 2x LSI 9211-8i /
2x 32GB SSD for system / 2x 60GB SSD for L2ARC
I recently updated to 9.10.2-U1.
Now the ZFS tab under reporting shows an ARC size of 72G.
But I have only 32GB of RAM installed.
How is that the ARC size is more than double of RAM size?
#6 Updated by Lutz Reinegger over 4 years ago
There also bug reports on bugs.freebsd.org: See here https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=216178 and here https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=216364.
#11 Updated by Dru Lavigne over 4 years ago
Notes that there was a recent commit for this in HEAD: https://svnweb.freebsd.org/base?view=revision&revision=314274.
#12 Updated by Kris Moore over 4 years ago
- Status changed from Closed: Third party to resolve to Needs Developer Review
- Assignee changed from Marcelo Araujo to Alexander Motin
- Priority changed from Nice to have to Expected
- Target version changed from N/A to 9.10.3
Thanks Dru! Pulled in that commit to stable/11 for 9.10.3, mav would you care to do the honors of a review? (Not that I don't trust upstream, but just for completeness sake)
#14 Updated by Alexander Motin over 4 years ago
- Status changed from Needs Developer Review to Fix In Progress
This patch looks reasonable, but I am not sure it is related to ARC. It is more about L2ARC.
But I see another patch affecting ARC size waiting for merge to stable/11 nearest days: https://svnweb.freebsd.org/base?view=revision&revision=314913
#15 Updated by Kris Moore over 4 years ago
- Status changed from Fix In Progress to Resolved
It went in upstream and I've pulled it into freenas/11-stable. If the problem reoccurs after 4/2 nightlies please reopen.