On Thu, Feb 23 2017, Coly Li wrote: > > I tried to set up a 4 layer stacked md raid1, and reduce I/O barrier > bucket size to 8MB, running for 10 hours, there is no deadlock observed, Try setting BARRIER_BUCKETS_NR to '1' and BARRIER_UNIT_SECTOR_BITS to 3 and make sure the write requests are larger than 1 page (and have resync happen at the same time as writes). NeilBrown
Attachment:
signature.asc
Description: PGP signature
