[Lustre-discuss] Replacing files when an OST has crashed
Heiko Schröter
schroete at iup.physik.uni-bremen.de
Wed Aug 26 06:14:41 PDT 2009
Answering myself.
'unlink' seems to remove the DIR entries. It still throws an I/O Error (because the OST is missing) but at least the DIR on the MDS gets cleaned up.
Regards
Heiko
On Mittwoch 26 August 2009 12:06:59 Heiko Schröter wrote:
> Hello,
>
> we are trying to cut out a broken (definitly dead) OST from the lustre system and want repalce the files on this OST from our tape archive.
> Trying to overwrite a file results in "Input/output Error" no matter if the OST is marked active/inactive.
>
> i.e. MDS:
> lctl --device 17 conf_param scia-OST000c.osc.active=0/1
> or
> lctl set_param osc.scia-OST000c-osc.active=0/1
>
>
> In the manual i cannot find a hint on how to manage this situation.
> What is the proper way to overwrite/delete the entries so that the file can be replaced ?
>
> Thanks and Regards
> Heiko
>
>
> lustre version on MDS and OST:
> build: 1.6.6-19700101010000-PRISTINE-.usr.src.linux-2.6.22.19
>
> lustre version on clients:
> build: 1.6.5.1-19700101010000-PRISTINE-.usr.src.linux-2.6.22.19-2.6.22.19
>
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