I just found out the reason. It's actually a software raid problem. For some reason, one of the software-raid partition marked as faulty. Thanks!. Donghui > Donghui Wen wrote: > > Hi, I have a machine setup as software-raid + ext3 + redhat , > > but this morning, it seems the file system crash. here is > > the booting message, anyone has any idea how to fix it. > > > md: adding sda1 > > md: created md2 > > md: using <sdb1> <sda1> > > md: md2: raid array is not clean -- starting bacground reconstruction > > RAID level 1 does not need chunck size. Continuing anyway. > > md2: max total readahead window set to 124k > > > > raid1: device sdb1 operational as mirror1 > > raid1: device sda1 operational as mirror 0 > > raid1: raid set md2 mot clean, reconstructing mirror > > raid1: raid set md2 active with 2 out of 2 mirrors > > md: updating md2 RAID superblock device > > Just two questions: > - What makes you believe that this is an ext3 problem? > - Where does the message you quoted in the subject appear? > > You may be better off at the linux-raid mailing list... > > Regards, > Juri > > > _______________________________________________ > > Ext3-users@redhat.com > https://www.redhat.com/mailman/listinfo/ext3-users > _______________________________________________ Ext3-users@redhat.com https://www.redhat.com/mailman/listinfo/ext3-users