Hi all,
I need some help yet again... With my cluster backup and running Ceph
10.2.3, I am having problems again mounting an RBD image under Xenserver.
I had this working before I broke everything and started over (previously
on Ceph 10.1), I made sure to set tunables to legacy and disabled
chooseleaf_vary_r which is how I got it working before. Now when I try to
manually mount the image:
echo "192.168.10.39,192.168.10.40,192.168.10.41 name=admin,secret=secret
xen vm0" > /sys/bus/rbd/add
It fails with:
echo: write error: No such device or address
This is different that when I was having problems before getting this
working, something must have changed in 10.2? Below are more details, I
hope it helps.
*Here is the trace output:*
> execve("/usr/bin/echo", ["echo", "192.168.10.39 name=admin,secret="...],
> [/* 22 vars */]) = 0
> brk(0) = 0x220e000
> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x7f6220ca2000
> access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or
> directory)
> open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
> fstat(3, {st_mode=S_IFREG|0644, st_size=34586, ...}) = 0
> mmap(NULL, 34586, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f6220c99000
> close(3) = 0
> open("/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
> read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0
> \34\2\0\0\0\0\0"..., 832) = 832
> fstat(3, {st_mode=S_IFREG|0755, st_size=2107816, ...}) = 0
> mmap(NULL, 3932736, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7f62206c1000
> mprotect(0x7f6220877000, 2097152, PROT_NONE) = 0
> mmap(0x7f6220a77000, 24576, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b6000) = 0x7f6220a77000
> mmap(0x7f6220a7d000, 16960, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f6220a7d000
> close(3) = 0
> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x7f6220c98000
> mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x7f6220c96000
> arch_prctl(ARCH_SET_FS, 0x7f6220c96740) = 0
> mprotect(0x7f6220a77000, 16384, PROT_READ) = 0
> mprotect(0x606000, 4096, PROT_READ) = 0
> mprotect(0x7f6220ca3000, 4096, PROT_READ) = 0
> munmap(0x7f6220c99000, 34586) = 0
> brk(0) = 0x220e000
> brk(0x222f000) = 0x222f000
> brk(0) = 0x222f000
> open("/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 3
> fstat(3, {st_mode=S_IFREG|0644, st_size=106065056, ...}) = 0
> mmap(NULL, 106065056, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f621a19a000
> close(3) = 0
> fstat(1, {st_mode=S_IFREG|0200, st_size=4096, ...}) = 0
> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x7f6220ca1000
> write(1, "192.168.10.39 name=admin,secret="..., 85) = -1 ENXIO (No such
> device or address)
> close(1) = 0
> munmap(0x7f6220ca1000, 4096) = 0
> open("/usr/share/locale/locale.alias", O_RDONLY|O_CLOEXEC) = 1
> fstat(1, {st_mode=S_IFREG|0644, st_size=2502, ...}) = 0
> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x7f6220ca1000
> read(1, "# Locale name alias data base.\n#"..., 4096) = 2502
> read(1, "", 4096) = 0
> close(1) = 0
> munmap(0x7f6220ca1000, 4096) = 0
> open("/usr/share/locale/en_US.UTF-8/LC_MESSAGES/coreutils.mo", O_RDONLY) =
> -1 ENOENT (No such file or directory)
> open("/usr/share/locale/en_US.utf8/LC_MESSAGES/coreutils.mo", O_RDONLY) =
> -1 ENOENT (No such file or directory)
> open("/usr/share/locale/en_US/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1
> ENOENT (No such file or directory)
> open("/usr/share/locale/en.UTF-8/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1
> ENOENT (No such file or directory)
> open("/usr/share/locale/en.utf8/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1
> ENOENT (No such file or directory)
> open("/usr/share/locale/en/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1
> ENOENT (No such file or directory)
> write(2, "echo: ", 6echo: ) = 6
> write(2, "write error", 11write error) = 11
> open("/usr/share/locale/en_US.UTF-8/LC_MESSAGES/libc.mo", O_RDONLY) = -1
> ENOENT (No such file or directory)
> open("/usr/share/locale/en_US.utf8/LC_MESSAGES/libc.mo", O_RDONLY) = -1
> ENOENT (No such file or directory)
> open("/usr/share/locale/en_US/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT
> (No such file or directory)
> open("/usr/share/locale/en.UTF-8/LC_MESSAGES/libc.mo", O_RDONLY) = -1
> ENOENT (No such file or directory)
> open("/usr/share/locale/en.utf8/LC_MESSAGES/libc.mo", O_RDONLY) = -1
> ENOENT (No such file or directory)
> open("/usr/share/locale/en/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No
> such file or directory)
> write(2, ": No such device or address", 27: No such device or address) = 27
> write(2, "\n", 1
> ) = 1
> exit_group(1) = ?
> +++ exited with 1 +++
*My cluster status:*
> cluster e1d7b4ae-2dcd-40ee-bea5-d103fe1fa9c9
> health HEALTH_WARN
> crush map has legacy tunables (require bobtail, min is firefly)
> monmap e1: 3 mons at {chad=
> 192.168.10.41:6789/0,jesse=192.168.10.40:6789/0,seth=192.168.10.39:6789/0}
> election epoch 12, quorum 0,1,2 seth,jesse,chad
> osdmap e155: 30 osds: 30 up, 30 in
> flags sortbitwise
> pgmap v1455: 2048 pgs, 2 pools, 64156 bytes data, 8 objects
> 1289 MB used, 109 TB / 109 TB avail
> 2048 active+clean
*ceph osd crush show-tunables*
> {
> "choose_local_tries": 0,
> "choose_local_fallback_tries": 0,
> "choose_total_tries": 50,
> "chooseleaf_descend_once": 1,
> "chooseleaf_vary_r": 0,
> "chooseleaf_stable": 0,
> "straw_calc_version": 1,
> "allowed_bucket_algs": 22,
> "profile": "bobtail",
> "optimal_tunables": 0,
> "legacy_tunables": 0,
> "minimum_required_version": "bobtail",
> "require_feature_tunables": 1,
> "require_feature_tunables2": 1,
> "has_v2_rules": 0,
> "require_feature_tunables3": 0,
> "has_v3_rules": 0,
> "has_v4_buckets": 0,
> "require_feature_tunables5": 0,
> "has_v5_rules": 0
> }
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