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Ceph-fuse fails to remount the fs #30

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opened 2023-08-29 11:43:13 +02:00 by rarias · 1 comment
rarias commented 2023-08-29 11:43:13 +02:00 (Migrated from pm.bsc.es)
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When mounting ceph via ceph-fuse, it fails to remount the FS to clear the dentries:

hut# ceph-fuse -f -s -n client.user -m 10.0.40.40 /ceph2
2023-08-29T11:24:27.614+0200 7feabf5873c0 -1 init, newargv = 0x56548f82ddc0 newargc=16
ceph-fuse[2155186]: starting ceph client
ceph-fuse[2155186]: starting fuse
mount: /ceph2: mount point not mounted or bad option.
       dmesg(1) may have more information after failed mount system call.
2023-08-29T11:24:27.636+0200 7feaa17fa6c0 -1 client.254236 failed to remount (to trim kernel dentries): return code = 32
mount: /ceph2: mount point not mounted or bad option.
       dmesg(1) may have more information after failed mount system call.
2023-08-29T11:24:28.647+0200 7feaa17fa6c0 -1 client.254236 failed to remount (to trim kernel dentries): return code = 32
mount: /ceph2: mount point not mounted or bad option.
       dmesg(1) may have more information after failed mount system call.
2023-08-29T11:24:29.657+0200 7feaa17fa6c0 -1 client.254236 failed to remount (to trim kernel dentries): return code = 32
mount: /ceph2: mount point not mounted or bad option.
       dmesg(1) may have more information after failed mount system call.
2023-08-29T11:24:30.667+0200 7feaa17fa6c0 -1 client.254236 failed to remount (to trim kernel dentries): return code = 32
mount: /ceph2: mount point not mounted or bad option.
       dmesg(1) may have more information after failed mount system call.
2023-08-29T11:24:31.678+0200 7feaa17fa6c0 -1 client.254236 failed to remount (to trim kernel dentries): return code = 32

However, setting client_die_on_failed_dentry_invalidate=false allows the mount command to succeed and the filesystem seems to work fine in some preliminary tests with fio and dd.

When mounting ceph via ceph-fuse, it fails to remount the FS to clear the dentries: ``` hut# ceph-fuse -f -s -n client.user -m 10.0.40.40 /ceph2 2023-08-29T11:24:27.614+0200 7feabf5873c0 -1 init, newargv = 0x56548f82ddc0 newargc=16 ceph-fuse[2155186]: starting ceph client ceph-fuse[2155186]: starting fuse mount: /ceph2: mount point not mounted or bad option. dmesg(1) may have more information after failed mount system call. 2023-08-29T11:24:27.636+0200 7feaa17fa6c0 -1 client.254236 failed to remount (to trim kernel dentries): return code = 32 mount: /ceph2: mount point not mounted or bad option. dmesg(1) may have more information after failed mount system call. 2023-08-29T11:24:28.647+0200 7feaa17fa6c0 -1 client.254236 failed to remount (to trim kernel dentries): return code = 32 mount: /ceph2: mount point not mounted or bad option. dmesg(1) may have more information after failed mount system call. 2023-08-29T11:24:29.657+0200 7feaa17fa6c0 -1 client.254236 failed to remount (to trim kernel dentries): return code = 32 mount: /ceph2: mount point not mounted or bad option. dmesg(1) may have more information after failed mount system call. 2023-08-29T11:24:30.667+0200 7feaa17fa6c0 -1 client.254236 failed to remount (to trim kernel dentries): return code = 32 mount: /ceph2: mount point not mounted or bad option. dmesg(1) may have more information after failed mount system call. 2023-08-29T11:24:31.678+0200 7feaa17fa6c0 -1 client.254236 failed to remount (to trim kernel dentries): return code = 32 ``` However, setting `client_die_on_failed_dentry_invalidate=false` allows the mount command to succeed and the filesystem seems to work fine in some preliminary tests with fio and dd.
rarias commented 2023-08-31 15:05:44 +02:00 (Migrated from pm.bsc.es)
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Reported upstream https://tracker.ceph.com/issues/62664

Reported upstream https://tracker.ceph.com/issues/62664
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