> We're currently considering switching to "space_cache=v2" with noatime 7:18 ` DanglingPointer 0 siblings, 2 replies 16+ messages in thread 15:38 migrating to space_cache=2 and btrfs userspace commands 4:59 ` Qu Wenruo * Re: migrating to space_cache=2 and btrfs userspace commands Any other ideas on how we can get rid of those annoying pauses with The btrfs command comes from btrfs-progs which is currently v5.4.1-2ģ. "btrfs scrub start /mount/point/." cron jobs FAIL? I'm guessing "btrfs" command will NOT work with the filesystem? So will our If we use space_cache=v2, is it indeed still the case that the
#Duplicacy chunk size how to
How to migrate from default space_cache=v1 to space_cache=v2? ItĢ. Unfortunately the officialĭocumentation isn't clear on the following.ġ. scrub last finished yesterday successfully.Īfter doing some research around the internet, we've come to theĬonsideration above as described. "btrfs-transacti" processĬonsistently shows up as the blocking process/thread locking upįilesystem IO. Pauses sometimes take up to 20+ seconds in frequencies after every
Of chunk files (using duplicacy backup) in the 24TB array. We're starting to see large pauses during constant backups of millions * Both have "defaults,autodefrag" turned on in fstab. * Both of the arrays are on individually luks encrypted disks with * Another has about 12TB data/metadata in uniformly sized 6TB disks * One has 13TB of data/metadata in a bunch of 6TB and 2TB disks Mount options for my lab server-workstations running RAID5. We're currently considering switching to "space_cache=v2" with noatime To: linux-btrfs +Cc: danglingpointerexception 4:59 ` Qu Wenruo 0 siblings, 1 reply 16+ messages in threadįrom: DanglingPointer 15:38 UTC ( / raw) Migrating to space_cache=2 and btrfs userspace commands All of help / color / mirror / Atom feed * migrating to space_cache=2 and btrfs userspace commands 15:38 DanglingPointer
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