No it just flashing the logs , the MDT logs , im not a lustre expert but it
fixed this issue when i run some testes .
Its also mentioned on some lustre wiki articles .
Are you saying to wipe the entire cluster? That says it wipes the config logs
for the fs, but I am not entirely sure what that means...
--
Andrew
> -----Original Message-----
> From: lustre-discuss-bounces at lists.lustre.org [mailto:lustre-discuss-
> bounces at lists.lustre.org] On Behalf Of Mailer PH
> Sent: Monday, March 17, 2008 12:07 PM
> To: Lustre-discuss at lists.lustre.org
> 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: ''Lustre-discuss at clusterfs.com''
> 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 --
> mgsnode=4.248.52.81 at tcp0 --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
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