I thought it worked, I seem to have lost the content of my entire test cluster except the subdirectories...
> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:lustre-discuss- > [EMAIL PROTECTED] On Behalf Of Lundgren, Andrew > Sent: Tuesday, March 18, 2008 10:05 AM > To: Mailer PH; [email protected] > Subject: Re: [Lustre-discuss] how to replace a bad OST. > > Well, > > That did work, I also had to unmount all of the OSTs and clients to get it > to function however. > > Does anyone know, is there a way to do this w/o resetting the entire file > system? > > -- > Andrew > > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:lustre-discuss- > > [EMAIL PROTECTED] On Behalf Of Mailer PH > > Sent: Monday, March 17, 2008 12:07 PM > > To: [email protected] > > Subject: Re: [Lustre-discuss] how to replace a bad OST. > > > > I run into similar problem few weeks ago . > > > > You need to run : > > tunefs.lustre --writeconf /dev/............. > > > > On MDT/MGS after unmounting it , maybbe there is another way to do that > > without unmounting MDT/MGS but im not sure . > > > > Cheers . > > > > > > > > ----- Original Message ----- > > From: Lundgren, Andrew > > To: '[EMAIL PROTECTED]' > > Sent: Monday, March 17, 2008 7:29 PM > > Subject: [Lustre-discuss] how to replace a bad OST. > > > > > > I am trying to learn how to replace a defective OST with a new > one. > > Assuming the old OST can not be salvaged. > > > > > > > > I have a test cluster that I am working on. > > > > > > > > I deactivated the volume on the MGS using: > > > > > > > > lctl conf_param content-OST0002-osc.osc.active=0 > > > > > > > > I unlinked all of the bad files by finding the ones on the bad > > volume. > > > > > > > > I formatted a fresh OST using the index number of the bad device: > > > > > > > > mkfs.lustre --reformat --fsname content --ost -- > > [EMAIL PROTECTED] --param="failover.mode=failout" --index=02 > > /dev/md6 > > > > > > > > Then I tried to mount the freshly formatted OST into the cluster. > > > > > > > > Unfortunately, I end up with an error: > > > > > > > > mount.lustre: mount /dev/md6 at /lustre_raw_ost_one failed: > Address > > already in use > > > > The target service's index is already in use. (/dev/md6) > > > > > > > > How can I re-use the index number to prevent always having a > "dead" > > point in my cluster? > > > > > > > > Thanks! > > > > > > > > -- > > > > Andrew > > > > > > > > ---------------------------------------------------------- > > Outgoing messages are virus free checked by NOD32 system > > _______________________________________________ > Lustre-discuss mailing list > [email protected] > http://lists.lustre.org/mailman/listinfo/lustre-discuss _______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
