Alright, just redeployed Ubuntu box again. Here is what you requested
(server machine - ubcephnode, client machine - ubpayload):
ahmed@ubcephnode:~$ ceph -v
ceph version 10.2.5 (c461ee19ecbc0c5c330aca20f7392c9a00730367)
ahmed@ubcephnode:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04.5 LTS
Release: 14.04
Codename: trusty
ahmed@ubcephnode:~$ uname -a
Linux ubcephnode 4.4.0-62-generic #83~14.04.1-Ubuntu SMP Wed Jan 18
18:10:30 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
ahmed@ubpayload:~$ ceph -v
ceph version 10.2.5 (c461ee19ecbc0c5c330aca20f7392c9a00730367)
ahmed@ubpayload:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04.5 LTS
Release: 14.04
Codename: trusty
ahmed@ubpayload:~$ uname -a
Linux ubpayload 4.4.0-62-generic #83~14.04.1-Ubuntu SMP Wed Jan 18 18:10:30
UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
ahmed@ubcephnode:~$ cat /etc/ceph/ceph.conf
[global]
fsid = 7c39c59a-4951-4798-9c42-59da474afd26
mon_initial_members = ubcephnode
mon_host = 192.168.10.120
auth_cluster_required = cephx
auth_service_required = cephx
auth_client_required = cephx
osd_pool_default_size = 1
mds_log = false
ahmed@ubpayload:~$ mount
..
192.168.10.120:6789:/ on /mnt/mycephfs type ceph
(name=admin,key=client.admin)
ahmed@ubcephnode:~$ ceph -s
cluster 7c39c59a-4951-4798-9c42-59da474afd26
health HEALTH_ERR
mds rank 0 is damaged
mds cluster is degraded
monmap e1: 1 mons at {ubcephnode=192.168.10.120:6789/0}
election epoch 3, quorum 0 ubcephnode
fsmap e11: 0/1/1 up, 1 up:standby, 1 damaged
osdmap e12: 1 osds: 1 up, 1 in
flags sortbitwise,require_jewel_osds
pgmap v32: 204 pgs, 3 pools, 3072 MB data, 787 objects
3109 MB used, 48064 MB / 51173 MB avail
204 active+clean
--- begin dump of recent events ---
0> 2017-02-08 06:50:16.206926 7f306a642700 -1 *** Caught signal
(Aborted) **
in thread 7f306a642700 thread_name:ms_dispatch
ceph version 10.2.5 (c461ee19ecbc0c5c330aca20f7392c9a00730367)
1: (()+0x4f62b2) [0x556839b472b2]
2: (()+0x10330) [0x7f307084a330]
3: (gsignal()+0x37) [0x7f306ecd2c37]
4: (abort()+0x148) [0x7f306ecd6028]
5: (ceph::__ceph_assert_fail(char const*, char const*, int, char
const*)+0x265) [0x556839c3d135]
6: (MutationImpl::~MutationImpl()+0x28e) [0x5568398f7b5e]
7: (std::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2>::_M_release()+0x39)
[0x55683986ac49]
8: (Locker::check_inode_max_size(CInode*, bool, bool, unsigned long, bool,
unsigned long, utime_t)+0x9a7) [0x5568399e0947]
9: (Locker::remove_client_cap(CInode*, client_t)+0xb1) [0x5568399e1ae1]
10: (Locker::_do_cap_release(client_t, inodeno_t, unsigned long, unsigned
int, unsigned int)+0x90d) [0x5568399e243d]
11: (Locker::handle_client_cap_release(MClientCapRelease*)+0x1dc)
[0x5568399e269c]
12: (MDSRank::handle_deferrable_message(Message*)+0xc1c) [0x556839871dac]
13: (MDSRank::_dispatch(Message*, bool)+0x1e1) [0x55683987aa01]
14: (MDSRankDispatcher::ms_dispatch(Message*)+0x15) [0x55683987bb55]
15: (MDSDaemon::ms_dispatch(Message*)+0xc3) [0x556839863653]
16: (DispatchQueue::entry()+0x78b) [0x556839d3772b]
17: (DispatchQueue::DispatchThread::entry()+0xd) [0x556839c2280d]
18: (()+0x8184) [0x7f3070842184]
19: (clone()+0x6d) [0x7f306ed9637d]
NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed
to interpret this.
On Wed, Feb 8, 2017 at 9:13 AM, Shinobu Kinjo <ski...@redhat.com> wrote:
>
>
> On Wed, Feb 8, 2017 at 3:05 PM, Ahmed Khuraidah <abushi...@gmail.com>
> wrote:
>
>> Hi Shinobu, I am using SUSE packages in scope of their latest SUSE
>> Enterprise Storage 4 and following documentation (method of deployment:
>> ceph-deploy)
>> But, I was able reproduce this issue on Ubuntu 14.04 with Ceph
>> repositories (also latest Jewel and ceph-deploy) as well.
>>
>
> Community Ceph packages are running on ubuntu box, right?
> If so, please do `ceph -v` on ubuntu box.
>
> And also please provide us with same issue which you hit on suse box.
>
>
>>
>> On Wed, Feb 8, 2017 at 3:03 AM, Shinobu Kinjo <ski...@redhat.com> wrote:
>>
>>> Are you using opensource Ceph packages or suse ones?
>>>
>>> On Sat, Feb 4, 2017 at 3:54 PM, Ahmed Khuraidah <abushi...@gmail.com>
>>> wrote:
>>>
>>>> I Have opened ticket on http://tracker.ceph.com/
>>>>
>>>> http://tracker.ceph.com/issues/18816
>>>>
>>>>
>>>> My client and server kernels are the same, here is info:
>>>> # lsb_release -a
>>>> LSB Version: n/a
>>>> Distributor ID: SUSE
>>>> Description: SUSE Linux Enterprise Server 12 SP2
>>>> Release: 12.2
>>>> Codename: n/a
>>>> # uname -a
>>>> Linux cephnode 4.4.38-93-default #1 SMP Wed Dec 14 12:59:43 UTC 2016
>>>> (2d3e9d4) x86_64 x86_64 x86_64 GNU/Linux
>>>>
>>>>
>>>> Thanks
>>>>
>>>> On Fri, Feb 3, 2017 at 1:59 PM, John Spray <jsp...@redhat.com> wrote:
>>>>
>>>>> On Fri, Feb 3, 2017 at 8:07 AM, Ahmed Khuraidah <abushi...@gmail.com>
>>>>> wrote:
>>>>> > Thank you guys,
>>>>> >
>>>>> > I tried to add option "exec_prerun=echo 3 >
>>>>> /proc/sys/vm/drop_caches" as
>>>>> > well as "exec_prerun=echo 3 | sudo tee /proc/sys/vm/drop_caches", but
>>>>> > despite FIO corresponds that command was executed, there are no
>>>>> changes.
>>>>> >
>>>>> > But, I caught very strange another behavior. If I will run my FIO
>>>>> test
>>>>> > (speaking about 3G file case) twice, after the first run FIO will
>>>>> create my
>>>>> > file and print a lot of IOps as described already, but if- before
>>>>> second
>>>>> > run- drop cache (by root echo 3 > /proc/sys/vm/drop_caches) I broke
>>>>> will end
>>>>> > with broken MDS:
>>>>> >
>>>>> > --- begin dump of recent events ---
>>>>> > 0> 2017-02-03 02:34:41.974639 7f7e8ec5e700 -1 *** Caught signal
>>>>> > (Aborted) **
>>>>> > in thread 7f7e8ec5e700 thread_name:ms_dispatch
>>>>> >
>>>>> > ceph version 10.2.4-211-g12b091b (12b091b4a40947aa43919e71a318e
>>>>> d0dcedc8734)
>>>>> > 1: (()+0x5142a2) [0x557c51e092a2]
>>>>> > 2: (()+0x10b00) [0x7f7e95df2b00]
>>>>> > 3: (gsignal()+0x37) [0x7f7e93ccb8d7]
>>>>> > 4: (abort()+0x13a) [0x7f7e93ccccaa]
>>>>> > 5: (ceph::__ceph_assert_fail(char const*, char const*, int, char
>>>>> > const*)+0x265) [0x557c51f133d5]
>>>>> > 6: (MutationImpl::~MutationImpl()+0x28e) [0x557c51bb9e1e]
>>>>> > 7: (std::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2>::_M_relea
>>>>> se()+0x39)
>>>>> > [0x557c51b2ccf9]
>>>>> > 8: (Locker::check_inode_max_size(CInode*, bool, bool, unsigned
>>>>> long, bool,
>>>>> > unsigned long, utime_t)+0x9a7) [0x557c51ca2757]
>>>>> > 9: (Locker::remove_client_cap(CInode*, client_t)+0xb1)
>>>>> [0x557c51ca38f1]
>>>>> > 10: (Locker::_do_cap_release(client_t, inodeno_t, unsigned long,
>>>>> unsigned
>>>>> > int, unsigned int)+0x90d) [0x557c51ca424d]
>>>>> > 11: (Locker::handle_client_cap_release(MClientCapRelease*)+0x1cc)
>>>>> > [0x557c51ca449c]
>>>>> > 12: (MDSRank::handle_deferrable_message(Message*)+0xc1c)
>>>>> [0x557c51b33d3c]
>>>>> > 13: (MDSRank::_dispatch(Message*, bool)+0x1e1) [0x557c51b3c991]
>>>>> > 14: (MDSRankDispatcher::ms_dispatch(Message*)+0x15)
>>>>> [0x557c51b3dae5]
>>>>> > 15: (MDSDaemon::ms_dispatch(Message*)+0xc3) [0x557c51b25703]
>>>>> > 16: (DispatchQueue::entry()+0x78b) [0x557c5200d06b]
>>>>> > 17: (DispatchQueue::DispatchThread::entry()+0xd) [0x557c51ee5dcd]
>>>>> > 18: (()+0x8734) [0x7f7e95dea734]
>>>>> > 19: (clone()+0x6d) [0x7f7e93d80d3d]
>>>>> > NOTE: a copy of the executable, or `objdump -rdS <executable>` is
>>>>> needed to
>>>>> > interpret this.
>>>>>
>>>>> Oops! Please could you open a ticket on tracker.ceph.com, with this
>>>>> backtrace, the client versions, any non-default config settings, and
>>>>> the series of operations that led up to it.
>>>>>
>>>>> Thanks,
>>>>> John
>>>>>
>>>>> > "
>>>>> >
>>>>> > On Thu, Feb 2, 2017 at 9:30 PM, Shinobu Kinjo <ski...@redhat.com>
>>>>> wrote:
>>>>> >>
>>>>> >> You may want to add this in your FIO recipe.
>>>>> >>
>>>>> >> * exec_prerun=echo 3 > /proc/sys/vm/drop_caches
>>>>> >>
>>>>> >> Regards,
>>>>> >>
>>>>> >> On Fri, Feb 3, 2017 at 12:36 AM, Wido den Hollander <w...@42on.com>
>>>>> wrote:
>>>>> >> >
>>>>> >> >> Op 2 februari 2017 om 15:35 schreef Ahmed Khuraidah
>>>>> >> >> <abushi...@gmail.com>:
>>>>> >> >>
>>>>> >> >>
>>>>> >> >> Hi all,
>>>>> >> >>
>>>>> >> >> I am still confused about my CephFS sandbox.
>>>>> >> >>
>>>>> >> >> When I am performing simple FIO test into single file with size
>>>>> of 3G I
>>>>> >> >> have too many IOps:
>>>>> >> >>
>>>>> >> >> cephnode:~ # fio payloadrandread64k3G
>>>>> >> >> test: (g=0): rw=randread, bs=64K-64K/64K-64K/64K-64K,
>>>>> ioengine=libaio,
>>>>> >> >> iodepth=2
>>>>> >> >> fio-2.13
>>>>> >> >> Starting 1 process
>>>>> >> >> test: Laying out IO file(s) (1 file(s) / 3072MB)
>>>>> >> >> Jobs: 1 (f=1): [r(1)] [100.0% done] [277.8MB/0KB/0KB /s]
>>>>> [4444/0/0
>>>>> >> >> iops]
>>>>> >> >> [eta 00m:00s]
>>>>> >> >> test: (groupid=0, jobs=1): err= 0: pid=3714: Thu Feb 2 07:07:01
>>>>> 2017
>>>>> >> >> read : io=3072.0MB, bw=181101KB/s, iops=2829, runt= 17370msec
>>>>> >> >> slat (usec): min=4, max=386, avg=12.49, stdev= 6.90
>>>>> >> >> clat (usec): min=202, max=5673.5K, avg=690.81, stdev=361
>>>>> >> >>
>>>>> >> >>
>>>>> >> >> But if I will change size to file to 320G, looks like I skip the
>>>>> cache:
>>>>> >> >>
>>>>> >> >> cephnode:~ # fio payloadrandread64k320G
>>>>> >> >> test: (g=0): rw=randread, bs=64K-64K/64K-64K/64K-64K,
>>>>> ioengine=libaio,
>>>>> >> >> iodepth=2
>>>>> >> >> fio-2.13
>>>>> >> >> Starting 1 process
>>>>> >> >> Jobs: 1 (f=1): [r(1)] [100.0% done] [4740KB/0KB/0KB /s] [74/0/0
>>>>> iops]
>>>>> >> >> [eta
>>>>> >> >> 00m:00s]
>>>>> >> >> test: (groupid=0, jobs=1): err= 0: pid=3624: Thu Feb 2 06:51:09
>>>>> 2017
>>>>> >> >> read : io=3410.9MB, bw=11641KB/s, iops=181, runt=300033msec
>>>>> >> >> slat (usec): min=4, max=442, avg=14.43, stdev=10.07
>>>>> >> >> clat (usec): min=98, max=286265, avg=10976.32, stdev=14904.82
>>>>> >> >>
>>>>> >> >>
>>>>> >> >> For random write test such behavior not exists, there are almost
>>>>> the
>>>>> >> >> same
>>>>> >> >> results - around 100 IOps.
>>>>> >> >>
>>>>> >> >> So my question: could please somebody clarify where this caching
>>>>> likely
>>>>> >> >> happens and how to manage it?
>>>>> >> >>
>>>>> >> >
>>>>> >> > The page cache of your kernel. The kernel will cache the file in
>>>>> memory
>>>>> >> > and perform read operations from there.
>>>>> >> >
>>>>> >> > Best way is to reboot your client between test runs. Although you
>>>>> can
>>>>> >> > drop kernel caches I always reboot to make sure nothing is cached
>>>>> locally.
>>>>> >> >
>>>>> >> > Wido
>>>>> >> >
>>>>> >> >> P.S.
>>>>> >> >> This is latest SLES/Jewel based onenode setup which has:
>>>>> >> >> 1 MON, 1 MDS (both data and metadata pools on SATA drive) and 1
>>>>> OSD
>>>>> >> >> (XFS on
>>>>> >> >> SATA and journal on SSD).
>>>>> >> >> My FIO config file:
>>>>> >> >> direct=1
>>>>> >> >> buffered=0
>>>>> >> >> ioengine=libaio
>>>>> >> >> iodepth=2
>>>>> >> >> runtime=300
>>>>> >> >>
>>>>> >> >> Thanks
>>>>> >> >> _______________________________________________
>>>>> >> >> ceph-users mailing list
>>>>> >> >> ceph-users@lists.ceph.com
>>>>> >> >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>>>> >> > _______________________________________________
>>>>> >> > ceph-users mailing list
>>>>> >> > ceph-users@lists.ceph.com
>>>>> >> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>>>> >
>>>>> >
>>>>> >
>>>>> > _______________________________________________
>>>>> > ceph-users mailing list
>>>>> > ceph-users@lists.ceph.com
>>>>> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>>>> >
>>>>>
>>>>
>>>>
>>>
>>
>
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