[Lustre-discuss] BAD last_transno problem

Lu Wang wanglu at ihep.ac.cn
Mon Feb 8 05:29:18 PST 2010


We set the osc of "besfs-OST0034" on MDS "deactivate". The OSS did not crash again.  However, this problem has not been solved. The OST "besfs-OST0034" cannot be written now. 

------------------				 
Lu Wang
2010-02-08

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发件人:Lu Wang
发送日期:2010-02-08 20:47:16
收件人:lustre-discuss
抄送:
主题:[Lustre-discuss] BAD last_transno problem

Dear  list,
we got a bad last_transno after  a OST is remounted.  
 cat /proc/fs/lustre/obdfilter/besfs-OST0034/recovery_status 
 status: COMPLETE
 recovery_start: 1265630163 
recovery_duration: 466 completed_clients: 298/298 
replayed_requests: 0 last_transno: -499056254903072891  

Each time after the OST finished recovery, the OSS crashed.  With a kernel "Opps error", and reports error about deleting orphan objects. 
 
We are running "2.6.9-67.0.22.EL_lustre.1.6.6smp". To avoid OSS crash, we umount the certain OST. Any suggestion to slove this bad transno problem? 



Best Regards
Lu Wang
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Computing Center
IHEP						Office: Computing Center,123 
19B Yuquan Road				Tel: (+86) 10 88236012-607
P.O. Box 918-7				Fax: (+86) 10 8823 6839
Beijing 100049,China		Email: Lu.Wang at ihep.ac.cn							
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