[DRBD-user] DRBD on RHEL 7 beta

Vladislav Bogdanov bubble at hoster-ok.com
Mon Dec 23 14:21:58 CET 2013

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


23.12.2013 05:39, Digimer wrote:
> On 22/12/13 09:28 PM, Digimer wrote:
>> On 22/12/13 06:05 AM, Patrick Lists wrote:
>>> Hi Digimer,
>>>
>>> On 12/22/2013 07:46 AM, Digimer wrote:
>>>> Hi all,
>>>>
>>>>    I am testing RHEL 7 and DRBD. I grabbed drbd from the Fedora 19
>>>> repos
>>>> as EPEL isn't up yet. It installed fine, but I can't seem to 'modprobe
>>>> drbd'.
>>>>
>>>>    Has anyone tried to get DRBD running on RHEL 7 yet? Mind sharing the
>>>> secret sauce, if so? If not, I'll try installing from source.
>>>
>>> Have you checked the logs? Watch the output of 'journalctl -f' when you
>>> modprobe drbd and it should tell you what's going on.
>>>
>>> Instead of installing from source I would just grab the source rpm,
>>> check the spec file for any obvious incompatibilities with EL7, fix any
>>> and rebuild it.
>>>
>>> Regards,
>>> Patrick
>>
>> Ok, I realized that '--without-km' was set in the spec. I changed that
>> to '--with-km' and tried building it again, but it failed this time. I'm
>> not much of a programmer, so I'm hoping you (or others) might be able to
>> help here.
>>
>> Here is the error, so far as I can tell:
>>
>> ====
>> gcc -O2 -g -Wall -I. -I../drbd -I../drbd/compat   -c -o drbdadm_parser.o
>> drbdadm_parser.c
>>    UPD     /root/rpmbuild/BUILD/drbd-8.4.3/drbd/compat.h
>>    CC [M]  /root/rpmbuild/BUILD/drbd-8.4.3/drbd/drbd_buildtag.o
>>    CC [M]  /root/rpmbuild/BUILD/drbd-8.4.3/drbd/drbd_bitmap.o
>> gcc -O2 -g -Wall -I. -I../drbd -I../drbd/compat   -c -o drbdadm_main.o
>> drbdadm_main.c
>> In file included from
>> /root/rpmbuild/BUILD/drbd-8.4.3/drbd/drbd_bitmap.c:35:0:
>> /root/rpmbuild/BUILD/drbd-8.4.3/drbd/drbd_int.h:2515:0: warning:
>> "idr_for_each_entry" redefined [enabled by default]
>>   #define idr_for_each_entry(idp, entry, id)    \
>>   ^
>> In file included from include/linux/cgroup.h:19:0,
>>                   from include/net/netprio_cgroup.h:16,
>>                   from include/linux/netdevice.h:48,
>>                   from include/net/sock.h:51,
>>                   from include/linux/connector.h:30,
>>                   from
>> /root/rpmbuild/BUILD/drbd-8.4.3/drbd/linux/drbd.h:28,
>>                   from
>> /root/rpmbuild/BUILD/drbd-8.4.3/drbd/drbd_bitmap.c:28:
>> include/linux/idr.h:132:0: note: this is the location of the previous
>> definition
>>   #define idr_for_each_entry(idp, entry, id)   \
>>   ^
>>    CC [M]  /root/rpmbuild/BUILD/drbd-8.4.3/drbd/drbd_proc.o
>> gcc -O2 -g -Wall -I. -I../drbd -I../drbd/compat   -c -o drbdadm_adjust.o
>> drbdadm_adjust.c
>> gcc -O2 -g -Wall -I. -I../drbd -I../drbd/compat   -c -o
>> drbdtool_common.o drbdtool_common.c
>> In file included from
>> /root/rpmbuild/BUILD/drbd-8.4.3/drbd/drbd_proc.c:34:0:
>> /root/rpmbuild/BUILD/drbd-8.4.3/drbd/drbd_int.h:2515:0: warning:
>> "idr_for_each_entry" redefined [enabled by default]
>>   #define idr_for_each_entry(idp, entry, id)    \
>>   ^
>> In file included from include/linux/cgroup.h:19:0,
>>                   from include/net/netprio_cgroup.h:16,
>>                   from include/linux/netdevice.h:48,
>>                   from include/net/sock.h:51,
>>                   from include/linux/connector.h:30,
>>                   from
>> /root/rpmbuild/BUILD/drbd-8.4.3/drbd/linux/drbd.h:28,
>>                   from
>> /root/rpmbuild/BUILD/drbd-8.4.3/drbd/drbd_proc.c:33:
>> include/linux/idr.h:132:0: note: this is the location of the previous
>> definition
>>   #define idr_for_each_entry(idp, entry, id)   \
>>   ^
>> /root/rpmbuild/BUILD/drbd-8.4.3/drbd/drbd_proc.c: In function
>> 'drbd_proc_open':
>> /root/rpmbuild/BUILD/drbd-8.4.3/drbd/drbd_proc.c:320:3: error: implicit
>> declaration of function 'PDE' [-Werror=implicit-function-declaration]
>>     return single_open(file, drbd_seq_show, PDE(inode)->data);
>>     ^
>> /root/rpmbuild/BUILD/drbd-8.4.3/drbd/drbd_proc.c:320:53: error: invalid
>> type argument of '->' (have 'int')
>>     return single_open(file, drbd_seq_show, PDE(inode)->data);
>>                                                       ^
>> cc1: some warnings being treated as errors
>> make[3]: *** [/root/rpmbuild/BUILD/drbd-8.4.3/drbd/drbd_proc.o] Error 1
>> make[2]: *** [_module_/root/rpmbuild/BUILD/drbd-8.4.3/drbd] Error 2
>> make[2]: Leaving directory `/usr/src/kernels/3.10.0-54.0.1.el7.x86_64'
>> make[1]: *** [kbuild] Error 2
>> make[1]: Leaving directory `/root/rpmbuild/BUILD/drbd-8.4.3/drbd'
>> make: *** [module] Error 2
>> ====
>>
>> I'll keep poking at it and report back if I make progress... As of now
>> though, I'm stuck. :)
> 
> Building from 8.4.3 source errors out with the same problem.

This one seems to be fixed (moved to drbd_wrappers.h and ifdef'ed) in 8.4.4.




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