Sorry，I cannot reproduce the "Operation not permitted" log
Here is a small portion of log with "debug_client = 20/20"
==========================================================
-22> 2015-04-30 16:29:12.858309 7fe9757f2700 10 client.58272
check_caps on 10000000015.head(ref=2 ll_ref=10 cap_refs={} open={1=1}
mode=100664 size=119/0 mtime=2015-04-20 14:14:57.961482
caps=pAsLsXsFscr(0=pAsLsXsFscr) objectset[10000000015 ts 0/0 objects 0
dirty_or_tx 0] parents=0x7fe968022980 0x7fe968021c30) wanted pFscr used
- is_delayed=1
-21> 2015-04-30 16:29:12.858326 7fe9757f2700 10 client.58272 cap
mds.0 issued pAsLsXsFscr implemented pAsLsXsFscr revoking -
-20> 2015-04-30 16:29:12.858333 7fe9757f2700 10 client.58272
send_cap 10000000015.head(ref=2 ll_ref=10 cap_refs={} open={1=1}
mode=100664 size=119/0 mtime=2015-04-20 14:14:57.961482
caps=pAsLsXsFscr(0=pAsLsXsFscr) objectset[10000000015 ts 0/0 objects 0
dirty_or_tx 0] parents=0x7fe968022980 0x7fe968021c30) mds.0 seq 1 used -
want pFscr flush - retain pAsxLsxXsxFsxcrwbl held pAsLsXsFscr revoking -
dropping -
-19> 2015-04-30 16:29:12.858358 7fe9757f2700 15 client.58272 auth
cap, setting max_size = 0
-18> 2015-04-30 16:29:12.858368 7fe9757f2700 10 client.58272
_create_fh 10000000015 mode 1
-17> 2015-04-30 16:29:12.858376 7fe9757f2700 20 client.58272
trim_cache size 14 max 16384
-16> 2015-04-30 16:29:12.858378 7fe9757f2700 3 client.58272 ll_open
10000000015.head 32768 = 0 (0x7fe95c0052c0)
-15> 2015-04-30 16:29:12.858385 7fe9757f2700 3 client.58272
ll_forget 10000000015 1
-14> 2015-04-30 16:29:12.858386 7fe9757f2700 20 client.58272 _ll_put
0x7fe968021c30 10000000015 1 -> 9
-13> 2015-04-30 16:29:12.858500 7fe974ff1700 20 client.58272 _ll_get
0x7fe968021c30 10000000015 -> 10
-12> 2015-04-30 16:29:12.858503 7fe974ff1700 3 client.58272
ll_getattr 10000000015.head
-11> 2015-04-30 16:29:12.858505 7fe974ff1700 10 client.58272
_getattr mask pAsLsXsFs issued=1
-10> 2015-04-30 16:29:12.858509 7fe974ff1700 10 client.58272
fill_stat on 10000000015 snap/devhead mode 0100664 mtime 2015-04-20
14:14:57.961482 ctime 2015-04-20 14:14:57.960359
-9> 2015-04-30 16:29:12.858518 7fe974ff1700 3 client.58272
ll_getattr 10000000015.head = 0
-8> 2015-04-30 16:29:12.858525 7fe974ff1700 3 client.58272
ll_forget 10000000015 1
-7> 2015-04-30 16:29:12.858526 7fe974ff1700 20 client.58272 _ll_put
0x7fe968021c30 10000000015 1 -> 9
-6> 2015-04-30 16:29:12.858536 7fe9577fe700 3 client.58272 ll_read
0x7fe95c0052c0 10000000015 0~4096
-5> 2015-04-30 16:29:12.858539 7fe9577fe700 10 client.58272
get_caps 10000000015.head(ref=3 ll_ref=9 cap_refs={} open={1=1}
mode=100664 size=119/0 mtime=2015-04-20 14:14:57.961482
caps=pAsLsXsFscr(0=pAsLsXsFscr) objectset[10000000015 ts 0/0 objects 0
dirty_or_tx 0] parents=0x7fe968022980 0x7fe968021c30) have pAsLsXsFscr
need Fr want Fc but not Fc revoking -
-4> 2015-04-30 16:29:12.858561 7fe9577fe700 10 client.58272
_read_async 10000000015.head(ref=3 ll_ref=9 cap_refs={2048=1} open={1=1}
mode=100664 size=119/0 mtime=2015-04-20 14:14:57.961482
caps=pAsLsXsFscr(0=pAsLsXsFscr) objectset[10000000015 ts 0/0 objects 0
dirty_or_tx 0] parents=0x7fe968022980 0x7fe968021c30) 0~4096
-3> 2015-04-30 16:29:12.858575 7fe9577fe700 10 client.58272
max_byes=0 max_periods=4
-2> 2015-04-30 16:29:12.858692 7fe9577fe700 5 client.58272
get_cap_ref got first FILE_CACHE ref on 10000000015.head(ref=3 ll_ref=9
cap_refs={1024=0,2048=1} open={1=1} mode=100664 size=119/0
mtime=2015-04-20 14:14:57.961482 caps=pAsLsXsFscr(0=pAsLsXsFscr)
objectset[10000000015 ts 0/0 objects 1 dirty_or_tx 0]
parents=0x7fe968022980 0x7fe968021c30)
-1> 2015-04-30 16:29:12.867657 7fe9797fa700 10 client.58272
ms_handle_connect on 172.16.3.149:6823/982446
0> 2015-04-30 16:29:12.872787 7fe97bfff700 -1 *** Caught signal
(Aborted) **
On 2015年04月30日 16:21, flisky wrote:
When I read the file through the ceph-fuse, the process crashed.
Here is the log -
====================
terminate called after throwing an instance of
'ceph::buffer::end_of_buffer'
what(): buffer::end_of_buffer
*** Caught signal (Aborted) **
in thread 7fe0814d3700
ceph version 0.94.1 (e4bfad3a3c51054df7e537a724c8d0bf9be972ff)
1: (()+0x249805) [0x7fe08670b805]
2: (()+0x10d10) [0x7fe085c39d10]
3: (gsignal()+0x37) [0x7fe0844d3267]
4: (abort()+0x16a) [0x7fe0844d4eca]
5: (__gnu_cxx::__verbose_terminate_handler()+0x16d) [0x7fe084de706d]
6: (()+0x5eee6) [0x7fe084de4ee6]
7: (()+0x5ef31) [0x7fe084de4f31]
8: (()+0x5f149) [0x7fe084de5149]
9: (ceph::buffer::list::substr_of(ceph::buffer::list const&, unsigned
int, unsigned int)+0x24b) [0x7fe08688993b]
10: (ObjectCacher::_readx(ObjectCacher::OSDRead*,
ObjectCacher::ObjectSet*, Context*, bool)+0x1423) [0x7fe0866c6b73]
11: (ObjectCacher::C_RetryRead::finish(int)+0x20) [0x7fe0866cd870]
12: (Context::complete(int)+0x9) [0x7fe086687eb9]
13: (void finish_contexts<Context>(CephContext*, std::list<Context*,
std::allocator<Context*> >&, int)+0xac) [0x7fe0866ca73c]
14: (ObjectCacher::bh_read_finish(long, sobject_t, unsigned long,
long, unsigned long, ceph::buffer::list&, int, bool)+0x29e)
[0x7fe0866bfd2e]
15: (ObjectCacher::C_ReadFinish::finish(int)+0x7f) [0x7fe0866cc85f]
16: (Context::complete(int)+0x9) [0x7fe086687eb9]
17: (C_Lock::finish(int)+0x29) [0x7fe086688269]
18: (Context::complete(int)+0x9) [0x7fe086687eb9]
19: (Finisher::finisher_thread_entry()+0x1b4) [0x7fe08671f184]
20: (()+0x76aa) [0x7fe085c306aa]
21: (clone()+0x6d) [0x7fe0845a4eed]
=============================
Some part may be interesting -
-11> 2015-04-30 15:55:59.063828 7fd6a816c700 10 --
172.30.11.188:0/10443 >> 172.16.3.153:6820/1532355 pipe(0x7fd6740344c0
sd=8 :58596 s=2 pgs=3721 cs=1 l=1 c=0x7fd674038760).reader got message 1
0x7fd65c001940 osd_op_reply(1 10000000019.00000000 [read 0~4390] v0'0
uv0 ack = -1 ((1) Operation not permitted)) v6
-10> 2015-04-30 15:55:59.063848 7fd6a816c700 1 --
172.30.11.188:0/10443 <== osd.9 172.16.3.153:6820/1532355 1 ====
osd_op_reply(1 10000000019.00000000 [read 0~4390] v0'0 uv0 ack = -1 ((1)
Operation not permitted)) v6 ==== 187+0+0 (689339676 0 0) 0x7fd65c001940
con 0x7fd674038760
And the cephfs-journal seems okay.
Could anyone tell me why it is happening?
And more important, does Ceph offer any tool to export a cephfs data
from underlaid pools?
Thanks very much!
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