ext3 file system becoming read only

Swapana Ghosh swapana_ghosh at yahoo.com
Tue Sep 25 16:47:50 UTC 2007


Hi Jordi,

Thanks for your reply.  I will test the way you suggested.

Thanks
-swapna


--- Jordi Prats <jprats at cesca.es> wrote:

> Hi,
> It seems like what it happened to me. I did this to solve this issue:
> 
> Mark the filesystem as it does not have a journal (take it to ext2)
> 
> tune2fs -O ^has_journal /dev/cciss/c0d0p2
> 
> fsck it to delete the journal:
> 
> e2fsck /dev/cciss/c0d0p2
> 
> Create the journal (take it back to ext3)
> 
> tune2fs -j /dev/cciss/c0d0p2
> 
> and finaly, remount it.
> 
> In my case it was with a local disk, but with your SAN disk should be 
> the same.
> 
> Jordi
> 
> 
> 
> Swapana Ghosh wrote:
> > Hi 
> >
> > In our office environment few servers mostly  database servers and
> yesterday it
> > happened
> > for one application server(first time) the partion is getting "read only".
> >
> > I was checking the archives, found may be similar kind of issues in the
> > 2007-July archives. 
> > But how it has been solved if someone describes me that will be really
> helpful.
> >
> > In our case, just at the problem started found the line in log file as
> follows:
> >
> >      EXT3-fs error (device dm-12): edxt3_find_entry: reading directory
> #2015496
> > offset 2
> >
> > Then one blank line
> > Then the line is
> >
> >     Aborting journal on device dm-12.
> >     ext3_abort called
> >
> >     Ext3-fs error (device dm-12): ext3_journal_start_sb: Detected aborted
> > journal
> >     Remounting filesysem read-only
> >
> > Then the continuous line as follows:
> >
> >
> >     EXT3-fs error (device dm-12) in start_transaction: Journal has aborted
> >
> >
> >   
> > The above message is continuous  until we remount the filesystem and
> partion
> > becomes
> > 'read-write'.
> >
> > We could not figure it out what is the root cause of the system.
> >
> > We are using individual EMC luns and are configured with LVM volume groups
> and
> > then mounted on logical
> > volumes.
> >
> > Here i am giving the server description:
> >
> > ____________________________________________________________
> >
> > [root at server ~]# lsmod |grep -i qla
> > qla2300               130304  0 
> > qla2xxx_conf          305924  0 
> > qla2xxx               307448  21 qla2300
> > scsi_mod              117709  5 sg,emcp,qla2xxx,cciss,sd_mod
> >
> > ____________________________________________________________
> > [root at server ~]# cat /etc/modprobe.conf
> > alias eth0 tg3
> > alias eth1 tg3
> > alias eth2 e1000
> > alias eth3 e1000
> > alias eth4 e1000
> > alias eth5 e1000
> > alias bond0 bonding
> > alias scsi_hostadapter cciss
> > options bond0 max_bonds=2 miimon=100 mode=1
> > alias scsi_hostadapter1 qla2xxx
> > alias scsi_hostadapter2 qla2xxx_conf
> > #alias scsi_hostadapter3 qla6312
> > options qla2xxx  ql2xmaxqdepth=16 qlport_down_retry=64
> > ql2xloginretrycount=30 ql2xfailover=0 ql2xlbType=0
> > install qla2xxx /sbin/modprobe qla2xxx_conf; /sbin/modprobe
> > --ignore-install qla2xxx
> > remove qla2xxx /sbin/modprobe -r --first-time --ignore-remove qla2xxx && {
> > /sbin/modprobe -r --ignore-remove qla2xxx_conf; }
> > ###BEGINPP
> > include /etc/modprobe.conf.pp
> > ###ENDPP
> > ###BEGINPP
> > include /etc/modprobe.conf.pp
> > ###ENDPP
> > ###BEGINPP
> > include /etc/modprobe.conf.pp
> > ###ENDPP
> >
> > ________________________________________________
> > [root at server ~]# rpm -qa |grep -i EMC
> > EMCpower.LINUX-4.5.1-022
> >
> > ________________________________________________
> > [root at server ~]# rpm -qa|grep -i scli
> > scli-1.06.16-57
> >
> > ________________________________________________
> > [root at server ~]# rpm -qa|grep -i nav
> > naviagentcli-6.19.1.3.0-1
> >
> > ________________________________________________
> >  product: QLA2312 Fibre Channel Adapter
> >
> > ________________________________________________
> > [root at server ~]# rpm -qa|grep -i lvm
> > lvm2-2.02.06-6.0.RHEL4
> > system-config-lvm-1.0.19-1.0
> >
> > ________________________________________________
> >
> > If I missed any info, pl. let me know. 
> >
> > It would be really appreciated if I get some hints to solve the issues
> >
> > Thanks in advance
> > -swapana
> >
> >
> >
> >        
> >
>
____________________________________________________________________________________
> > Boardwalk for $500? In 2007? Ha! Play Monopoly Here and Now (it's updated
> for today's economy) at Yahoo! Games.
> > http://get.games.yahoo.com/proddesc?gamekey=monopolyherenow  
> >
> > _______________________________________________
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> > Ext3-users at redhat.com
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> >
> >
> >   
> 
> 
> -- 
> ......................................................................
>          __
>         / /          Jordi Prats
>   C E / S / C A      Dept. de Sistemes
>       /_/            Centre de Supercomputació de Catalunya
> 
>   Gran Capità, 2-4 (Edifici Nexus) · 08034 Barcelona
>   T. 93 205 6464 · F.  93 205 6979 · jprats at cesca.es
> ...................................................................... 
> 
> 



       
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