Hi, Yes, I did.
-- Lorand > On 29 Nov 2018, at 09:36, LEIBOVICI Thomas <thomas.leibov...@cea.fr> wrote: > > Hello, > > Open with RDONLY is not due to robinhood but this is how the liblustreAPI > implements it. > However, I never stated such an use on Lustre 2.10. > > Did you register a changelog reader on your MDS0? > (https://github.com/cea-hpc/robinhood/wiki/robinhood_v3_admin_doc#enabling-lustre-v2-changelogs) > > Thomas > > On 11/28/18 15:04, Lorand Szentannai wrote: >> Hi Thomas, >> >> I actually did that already but forgot to add the strace lines to the >> initial email. But it is still unclear to me why open function is called >> with the O_RDONLY flag. >> >> [pid 2348817] open("/cluster", O_RDONLY|O_NONBLOCK|O_DIRECTORY) = 12 >> [pid 2348817] ioctl(12, _IOC(_IOC_WRITE, 0x66, 0x94, 0x08), 0x7ffef3f20240) >> = -1 ENOTTY (Inappropriate ioctl for device) >> >> # grep lustre /proc/mounts >> 10.3.5.18@o2ib,10.4.5.18@o2ib1:10.3.5.19@o2ib,10.4.5.19@o2ib1:/scratch >> /cluster lustre rw,flock,lazystatfs 0 0 >> >> >> Thanks, >> Lorand Szentannai >> >>> On 28 Nov 2018, at 12:47, LEIBOVICI Thomas <thomas.leibov...@cea.fr> wrote: >>> >>> Hello, >>> >>> If you run "strace -f robinhood --readlog" you should see the ioctl that >>> causes this error, and its arguments. >>> >>> Thomas >>> >>> On 11/28/18 07:36, Lorand Szentannai wrote: >>>> Hi, >>>> >>>> We've recently upgraded to Lustre 2.10.5 and to Robinhood to 3.1.4. >>>> Processing changelogs fails now with "ERROR -25 opening changelog for MDT >>>> 'scratch-MDT0000': Inappropriate ioctl for device". >>>> >>>> Could you please advice on how to solve this? Note that currently MGS and >>>> MDS are running on two separate servers. >>>> >>>> ---------------------------------------------------------------------------------- >>>> ChangeLog { >>>> MDT { >>>> mdt_name = "MDT0000"; >>>> reader_id = "cl4"; # yes, it is cl4 >>>> } >>>> force_polling = ON ; >>>> polling_interval = 60s ; >>>> } >>>> ---------------------------------------------------------------------------------- >>>> >>>> ---------------------------------------------------------------------------------- >>>> # lfs changelog scratch-MDT0000 |head >>>> >>>> 8211574766 10OPEN 22:24:39.830737089 2018.11.27 0x43 >>>> t=[0x200033cc4:0x4e9d:0x0] >>>> 8211574767 13TRUNC 22:24:39.831280872 2018.11.27 0xe >>>> t=[0x200033cc4:0x4e9d:0x0] >>>> 8211574768 11CLOSE 22:24:39.831774075 2018.11.27 0x43 >>>> t=[0x200033cc4:0x4e9d:0x0] >>>> 8211574769 10OPEN 22:24:39.831950980 2018.11.27 0x43 >>>> t=[0x200033cc4:0x4e9e:0x0] >>>> 8211574770 13TRUNC 22:24:39.832289331 2018.11.27 0xe >>>> t=[0x200033cc4:0x4e9e:0x0] >>>> 8211574771 11CLOSE 22:24:39.832765269 2018.11.27 0x43 >>>> t=[0x200033cc4:0x4e9e:0x0] >>>> 8211574772 10OPEN 22:24:39.832942039 2018.11.27 0x43 >>>> t=[0x200033cc4:0x4e9f:0x0] >>>> 8211574773 13TRUNC 22:24:39.833241628 2018.11.27 0xe >>>> t=[0x200033cc4:0x4e9f:0x0] >>>> 8211574774 11CLOSE 22:24:39.833541406 2018.11.27 0x43 >>>> t=[0x200033cc4:0x4e9f:0x0] >>>> 8211574775 10OPEN 22:24:39.833672445 2018.11.27 0x43 >>>> t=[0x200033cc4:0x4ea0:0x0] >>>> ---------------------------------------------------------------------------------- >>>> >>>> ---------------------------------------------------------------------------------- >>>> # robinhood --readlog >>>> >>>> 2018/11/28 07:20:54 [2070664/1] Main | EntryProcessor successfully >>>> initialized >>>> 2018/11/28 07:20:54 [2070664/1] ChangeLog | mdt[0] = MDT0000 >>>> 2018/11/28 07:20:54 [2070664/1] ListMgr | Logged on to database >>>> 'robinhood_scratch' successfully >>>> 2018/11/28 07:20:54 [2070664/1] ListMgr | SQL query: SET SESSION >>>> TRANSACTION ISOLATION LEVEL READ COMMITTED >>>> 2018/11/28 07:20:54 [2070664/3] ListMgr | Logged on to database >>>> 'robinhood_scratch' successfully >>>> 2018/11/28 07:20:54 [2070664/3] ListMgr | SQL query: SET SESSION >>>> TRANSACTION ISOLATION LEVEL READ COMMITTED >>>> 2018/11/28 07:20:54 [2070664/5] ListMgr | Logged on to database >>>> 'robinhood_scratch' successfully >>>> 2018/11/28 07:20:54 [2070664/5] ListMgr | SQL query: SET SESSION >>>> TRANSACTION ISOLATION LEVEL READ COMMITTED >>>> 2018/11/28 07:20:54 [2070664/6] ListMgr | Logged on to database >>>> 'robinhood_scratch' successfully >>>> 2018/11/28 07:20:54 [2070664/6] ListMgr | SQL query: SET SESSION >>>> TRANSACTION ISOLATION LEVEL READ COMMITTED >>>> 2018/11/28 07:20:54 [2070664/4] ListMgr | Logged on to database >>>> 'robinhood_scratch' successfully >>>> 2018/11/28 07:20:54 [2070664/4] ListMgr | SQL query: SET SESSION >>>> TRANSACTION ISOLATION LEVEL READ COMMITTED >>>> 2018/11/28 07:20:54 [2070664/1] ListMgr | SQL query: SELECT value FROM >>>> VARS WHERE varname='CL_LastCommit_MDT0000' >>>> 2018/11/28 07:20:54 [2070664/1] ListMgr | SQL query: SELECT value FROM >>>> VARS WHERE varname='ChangelogLastCommit_MDT0000' >>>> 2018/11/28 07:20:54 [2070664/1] ChangeLog | Opening chglog for >>>> scratch-MDT0000 (start_rec=0) >>>> 2018/11/28 07:20:54 [2070664/1] ChangeLog | ERROR -25 opening changelog >>>> for MDT 'scratch-MDT0000': Inappropriate ioctl for device >>>> 2018/11/28 07:20:54 [2070664/1] Main | Error 25 initializing ChangeLog >>>> Reader >>>> ---------------------------------------------------------------------------------- >>>> >>>> >>>> Thanks, >>>> Lorand Szentannai >>>> >>>> _______________________________________________ >>>> robinhood-support mailing list >>>> robinhood-support@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/robinhood-support >>> > _______________________________________________ robinhood-support mailing list robinhood-support@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/robinhood-support
