Re: BTRFS: error (device sda1) in btrfs_run_delayed_refs:2963: errno=-17 Object already exists

This block device is a volume which is on hardware RAID. We have a few machines like this running without issue. Something odd hit this one. # free -m total used free sharedbuffers cached Mem: 32143 1258 30885 1 52

Re: BTRFS: error (device sda1) in btrfs_run_delayed_refs:2963: errno=-17 Object already exists

Am 10.08.2016 um 13:16 schrieb Matt McKinnon: > I performed a quick balance which gave me: > > [39020.030638] BTRFS info (device sda1): relocating block group > 25428383236096 flags 1 > [39020.206097] BTRFS warning (device sda1): block group 23113395863552 > has wrong amount of free space >

Re: BTRFS: error (device sda1) in btrfs_run_delayed_refs:2963: errno=-17 Object already exists

Chris Murphy posted on Tue, 09 Aug 2016 20:25:39 -0600 as excerpted: > 1 size 50.93TiB used 22.67TiB path /dev/sda1 > > What is the exact nature of this block device? > > If getting this back up and running is urgent I suggest inquiring on IRC > what the next steps are. > > In the meantime I'd

Re: BTRFS: error (device sda1) in btrfs_run_delayed_refs:2963: errno=-17 Object already exists

Hi, from what i see you have a non finished balance ongoing, since you have system and metadata DUP and single information on disk. so you should (re)run a balance for this data. sash Am 10.08.2016 um 02:17 schrieb Matt McKinnon: > -o usebackuproot worked well. > > after the file system

Re: BTRFS: error (device sda1) in btrfs_run_delayed_refs:2963: errno=-17 Object already exists

I performed a quick balance which gave me: [39020.030638] BTRFS info (device sda1): relocating block group 25428383236096 flags 1 [39020.206097] BTRFS warning (device sda1): block group 23113395863552 has wrong amount of free space [39020.206101] BTRFS warning (device sda1): failed to load

Re: BTRFS: error (device sda1) in btrfs_run_delayed_refs:2963: errno=-17 Object already exists

On Tue, Aug 9, 2016 at 6:29 PM, Matt McKinnon wrote: > Spoke too soon. Do I need to continue to run with that mount option in > place? It shouldn't be necessary. Something's still wrong for some reason, even with DUP metadata being CoW'd so someone else is going to have to

Re: BTRFS: error (device sda1) in btrfs_run_delayed_refs:2963: errno=-17 Object already exists

# btrfs check /dev/sda1 Checking filesystem on /dev/sda1 UUID: 33f9089e-acc7-4a39-8b83-b18bb182faaf checking extents ref mismatch on [958277767168 5894144] extent item 0, found 1 Backref 958277767168 root 257 owner 15799573 offset 750342144 num_refs 0 not found in extent tree Incorrect local

Re: BTRFS: error (device sda1) in btrfs_run_delayed_refs:2963: errno=-17 Object already exists

] [] ret_from_fork+0x1f/0x40 [ 667.107056] [] ? kthread_park+0x60/0x60 [ 667.107060] ---[ end trace 336c80ba4db66e78 ]--- [ 667.107065] BTRFS: error (device sda1) in btrfs_run_delayed_refs:2963: errno=-17 Object already exists [ 667.116389] BTRFS info (device sda1): forced readonly [ 667.117081] BTRFS

Re: BTRFS: error (device sda1) in btrfs_run_delayed_refs:2963: errno=-17 Object already exists

-o usebackuproot worked well. after the file system settled, performing a sync and a clean umount, a normal mount works now as well. Anything I should be doing going forward? Thanks, Matt On 08/09/2016 08:01 PM, Chris Murphy wrote: On Tue, Aug 9, 2016 at 5:15 PM, Matt McKinnon

Re: BTRFS: error (device sda1) in btrfs_run_delayed_refs:2963: errno=-17 Object already exists

On Tue, Aug 9, 2016 at 6:01 PM, Chris Murphy wrote: > On Tue, Aug 9, 2016 at 5:15 PM, Matt McKinnon wrote: >> Hello, >> >> Our server recently crashed and was rebooted. When it returned our BTRFS >> volume is mounting read-only: > > What happens

Re: BTRFS: error (device sda1) in btrfs_run_delayed_refs:2963: errno=-17 Object already exists

On Tue, Aug 9, 2016 at 5:15 PM, Matt McKinnon wrote: > Hello, > > Our server recently crashed and was rebooted. When it returned our BTRFS > volume is mounting read-only: What happens when you try mounting with -o usebackuproot ? If that fails, what output do you get for

BTRFS: error (device sda1) in btrfs_run_delayed_refs:2963: errno=-17 Object already exists

Hello, Our server recently crashed and was rebooted. When it returned our BTRFS volume is mounting read-only: [ 142.395093] BTRFS: error (device sda1) in btrfs_run_delayed_refs:2963: errno=-17 Object already exists [ 142.404418] BTRFS info (device sda1): forced readonly I tried