Hi,I am looking a definitive list of steps a lustre clustre admin should take to recover from the following scenario: 1) an OST in the cluster has had a permanent data failure: The data can not be recovered but device itself will fixed. Please assume that the device is NOT mounted any more on the OSS it was being served from and therefore is NOT listed in the "lctl dl" command on that OSS.
2) data lost is not needed and there are no backups of it3) It would be beneficial to be able to replace the OST with as the same device. (ie reuse the index) but please include what is used in the "--index" parameter of each command as the documentation
on this is severely lacking
4) running mgs and mdt on two separate servers
5) there is no fail-over of any kind set upI have tried to find the appropriate steps to take and commands to use from within the docs and have been unsuccessful. So Unsuccessful that I have had to remake my entire cluster. If you need more clarification on the scenario before being able to tell me what steps to take - please
ask for the info you need. Anyone? Lisa Giacchetti
<<attachment: lisa.vcf>>
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