[Ocfs2-users] crash during big file transfers

[Sunil Mushran]

The fs in 2.6.21 still uses the old very short cluster timeouts.

In mainline, the defaults were updated in 2.6.25-ish.

The faq has the details on setting them manually.
http://oss.oracle.com/projects/ocfs2/dist/documentation/ocfs2_faq.html#TIMEOUT

Carlos Xavier wrote:
> Dear Srs.
>  
> I have been running a system over the OCFS2 filesystem since 12/2007,
> Lately we start to experience some node crash and the reported couse 
> was the OCFS2, but nothing was wrote on the system log.
> So we decided to move the system to another pair of machine. I did a 
> fresh install of Slackware 12.0 and installed the OCFS2 1.2.7 tools.
>  
> When I started to copy the files from the old system to the new one, 
> after some time of file transfer I get this error:
>  
> root at diana:~# Message from syslogd at diana at Sat Jun 21 03:39:00 2008 ...
> diana kernel: Kernel panic - not syncing: ocfs2 is very sorry to be 
> fencing this system by panicing
>  
> After this the only way to get the computer back is only powering it 
> of  and on again.
>  
> I took a look at the FAQ and saw is issue repported on the Heartbeat 
> session Question 07, but i noticed it was related to an old kernel 
> version. Since we are running a kernel version 2.6.21.5 I would like 
> to know if this solution still apply.
>  
> Some items on the FAQ are not uptodate, How can I do to know what 
> module version is on the kernel I'm running?
>  
> What is the relation of the kernel version and the kernel module?
>  
> Is there a way to generate a patch to apply to the kernel im running 
> and conpile it?
>  
> I would like to try the latest version of the kernel module. 
> I downloaded it and tried to compile it, but it was not sucessfull.
> This is the way i configured it:
> apolo:# ./configure --prefix=/usr --sysconfdir=/etc 
> --build=i486-slackware-linux --host=i486-slackware-linux 
> --target=i486-slackware-linux --with-kernel-source=/usr/src/linux
>  
> When I tryed to compile it I got the following error:
> apolo# make
> make -C fs
> make[1]: Entering directory `/usr/local/src/ocfs2-1.2.9/fs'
> make -C ocfs2 stamp-md5
> make[2]: Entering directory `/usr/local/src/ocfs2-1.2.9/fs/ocfs2'
> make[2]: `stamp-md5' is up to date.
> make[2]: Leaving directory `/usr/local/src/ocfs2-1.2.9/fs/ocfs2'
> make -C ocfs2/cluster stamp-md5
> make[2]: Entering directory `/usr/local/src/ocfs2-1.2.9/fs/ocfs2/cluster'
> make[2]: `stamp-md5' is up to date.
> make[2]: Leaving directory `/usr/local/src/ocfs2-1.2.9/fs/ocfs2/cluster'
> make -C ocfs2/dlm stamp-md5
> make[2]: Entering directory `/usr/local/src/ocfs2-1.2.9/fs/ocfs2/dlm'
> make[2]: `stamp-md5' is up to date.
> make[2]: Leaving directory `/usr/local/src/ocfs2-1.2.9/fs/ocfs2/dlm'
> make -C /lib/modules/2.6.21.5-smp/build  
> M=/usr/local/src/ocfs2-1.2.9/fs modules
> make[2]: Entering directory `/usr/src/linux-2.6.21.5'
>  
>   WARNING: Symbol version dump /usr/src/linux-2.6.21.5/Module.symvers
>            is missing; modules will have no dependencies and modversions.
>  
>   CC [M]  /usr/local/src/ocfs2-1.2.9/fs/ocfs2/alloc.o
> In file included from /usr/local/src/ocfs2-1.2.9/fs/ocfs2/alloc.c:39:
> /usr/local/src/ocfs2-1.2.9/fs/ocfs2/inode.h:117: warning: 
> 'kmem_cache_t' is deprecated
> In file included from /usr/local/src/ocfs2-1.2.9/fs/ocfs2/alloc.c:40:
> /usr/local/src/ocfs2-1.2.9/fs/ocfs2/journal.h:136: warning: 
> 'kmem_cache_t' is deprecated
> /usr/local/src/ocfs2-1.2.9/fs/ocfs2/alloc.c: In function 
> 'ocfs2_schedule_truncate_log_flush':
> /usr/local/src/ocfs2-1.2.9/fs/ocfs2/alloc.c:1230: warning: passing 
> argument 1 of 'cancel_delayed_work' from incompatible pointer type
> /usr/local/src/ocfs2-1.2.9/fs/ocfs2/alloc.c:1233: warning: passing 
> argument 2 of 'queue_delayed_work' from incompatible pointer type
> /usr/local/src/ocfs2-1.2.9/fs/ocfs2/alloc.c: In function 
> 'ocfs2_truncate_log_shutdown':
> /usr/local/src/ocfs2-1.2.9/fs/ocfs2/alloc.c:1412: warning: passing 
> argument 1 of 'cancel_delayed_work' from incompatible pointer type
> /usr/local/src/ocfs2-1.2.9/fs/ocfs2/alloc.c:1444:69: error: macro 
> "INIT_WORK" passed 3 arguments, but takes just 2
> /usr/local/src/ocfs2-1.2.9/fs/ocfs2/alloc.c: In function 
> 'ocfs2_truncate_log_init':
> /usr/local/src/ocfs2-1.2.9/fs/ocfs2/alloc.c:1444: error: 'INIT_WORK' 
> undeclared (first use in this function)
> /usr/local/src/ocfs2-1.2.9/fs/ocfs2/alloc.c:1444: error: (Each 
> undeclared identifier is reported only once
> /usr/local/src/ocfs2-1.2.9/fs/ocfs2/alloc.c:1444: error: for each 
> function it appears in.)
> make[4]: *** [/usr/local/src/ocfs2-1.2.9/fs/ocfs2/alloc.o] Error 1
> make[3]: *** [/usr/local/src/ocfs2-1.2.9/fs/ocfs2] Error 2
> make[2]: *** [_module_/usr/local/src/ocfs2-1.2.9/fs] Error 2
> make[2]: Leaving directory `/usr/src/linux-2.6.21.5'
> make[1]: *** [build-modules] Error 2
> make[1]: Leaving directory `/usr/local/src/ocfs2-1.2.9/fs'
> make: *** [fs] Error 2
>  
> Tanks in advance for your attention, I hope you can help me to get 
> over this issue.
>  
> Regards,
> Carlos Xavier.
> ------------------------------------------------------------------------
>
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