Re: [ceph-users] Inconsistent metadata seen by CephFS-fuse clients

2018-04-27 Thread Yan, Zheng
On Sat, Apr 28, 2018 at 10:25 AM, Oliver Freyermuth wrote: > Am 28.04.2018 um 03:55 schrieb Yan, Zheng: >> On Fri, Apr 27, 2018 at 11:49 PM, Oliver Freyermuth >> wrote: >>> Dear Yan Zheng, >>> >>> Am 27.04.2018 um 15:32 schrieb Yan, Zheng: On Fri, Apr 27, 2018 at 7:10 PM, Oliver Freyermuth >

Re: [ceph-users] Inconsistent metadata seen by CephFS-fuse clients

2018-04-27 Thread Oliver Freyermuth
Am 28.04.2018 um 03:55 schrieb Yan, Zheng: > On Fri, Apr 27, 2018 at 11:49 PM, Oliver Freyermuth > wrote: >> Dear Yan Zheng, >> >> Am 27.04.2018 um 15:32 schrieb Yan, Zheng: >>> On Fri, Apr 27, 2018 at 7:10 PM, Oliver Freyermuth >>> wrote: Dear Yan Zheng, Am 27.04.2018 um 02:58 sch

Re: [ceph-users] Inconsistent metadata seen by CephFS-fuse clients

2018-04-27 Thread Yan, Zheng
On Fri, Apr 27, 2018 at 11:49 PM, Oliver Freyermuth wrote: > Dear Yan Zheng, > > Am 27.04.2018 um 15:32 schrieb Yan, Zheng: >> On Fri, Apr 27, 2018 at 7:10 PM, Oliver Freyermuth >> wrote: >>> Dear Yan Zheng, >>> >>> Am 27.04.2018 um 02:58 schrieb Yan, Zheng: On Thu, Apr 26, 2018 at 10:00 PM,

Re: [ceph-users] Inconsistent metadata seen by CephFS-fuse clients

2018-04-27 Thread Yan, Zheng
On Fri, Apr 27, 2018 at 11:49 PM, Oliver Freyermuth wrote: > Dear Yan Zheng, > > Am 27.04.2018 um 15:32 schrieb Yan, Zheng: >> On Fri, Apr 27, 2018 at 7:10 PM, Oliver Freyermuth >> wrote: >>> Dear Yan Zheng, >>> >>> Am 27.04.2018 um 02:58 schrieb Yan, Zheng: On Thu, Apr 26, 2018 at 10:00 PM,

Re: [ceph-users] Inconsistent metadata seen by CephFS-fuse clients

2018-04-27 Thread Oliver Freyermuth
Dear Yan Zheng, Am 27.04.2018 um 15:32 schrieb Yan, Zheng: > On Fri, Apr 27, 2018 at 7:10 PM, Oliver Freyermuth > wrote: >> Dear Yan Zheng, >> >> Am 27.04.2018 um 02:58 schrieb Yan, Zheng: >>> On Thu, Apr 26, 2018 at 10:00 PM, Oliver Freyermuth >>> wrote: Dear Cephalopodians, just

Re: [ceph-users] Inconsistent metadata seen by CephFS-fuse clients

2018-04-27 Thread Oliver Freyermuth
Dear Yan Zheng, Am 27.04.2018 um 02:58 schrieb Yan, Zheng: > On Thu, Apr 26, 2018 at 10:00 PM, Oliver Freyermuth > wrote: >> Dear Cephalopodians, >> >> just now that our Ceph cluster is under high I/O load, we get user reports >> of files not being seen on some clients, >> but somehow showing up

Re: [ceph-users] Inconsistent metadata seen by CephFS-fuse clients

2018-04-26 Thread Yan, Zheng
On Thu, Apr 26, 2018 at 10:00 PM, Oliver Freyermuth wrote: > Dear Cephalopodians, > > just now that our Ceph cluster is under high I/O load, we get user reports of > files not being seen on some clients, > but somehow showing up after forcing a stat() syscall. > > For example, one user had added

[ceph-users] Inconsistent metadata seen by CephFS-fuse clients

2018-04-26 Thread Oliver Freyermuth
Dear Cephalopodians, just now that our Ceph cluster is under high I/O load, we get user reports of files not being seen on some clients, but somehow showing up after forcing a stat() syscall. For example, one user had added several files to a directory via an NFS client attached to nfs-ganesha