On 11/4/19 7:31 AM, Emmanuel Florac wrote: > Le Fri, 1 Nov 2019 06:45:51 -0400 > Brian Foster <bfoster@xxxxxxxxxx> écrivait: > >> I think it's hard to say what might be going on here without some view >> into the state of the fs. Perhaps some large chunk of the fs has been >> zeroed given all of the zeroed out on-disk inode fields? We'd probably >> want to see a metadump of the fs to get a closer look. >> > > Alas, the metadump is 28 GB... (this is a 500 TB filesystem). So far it > seems to behave better with no background RAID controller operation. They sometimes compress quite well FWIW. -Eric
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