Re: [MooseFS-Users] Very odd issue starting master (community version)

[Alex C. <ac...@in...>]

Hi List,

Deleting the metadata.mfs solved this (I did backup up the whole 
/var/lib/mfs first as a precaution). No files were lost.

Cheers

Alex

On 15/04/16 14:49, Alex Crow wrote:
> Hi,
>
> A really weird issue. mfsmaster is not starting, complaining that
> metadata.mfs does not exist, when it actually does. Note that the
> machine was forcibly rebooted just before this started.
>
> [root@glenrock ~]# mfsmaster start
> open files limit has been set to: 16384
> working directory: /var/lib/mfs
> lockfile created and locked
> initializing mfsmaster modules ...
> exports file has been loaded
> topology file has been loaded
> loading metadata ...
> loading sessions data ... ok (0.0000)
> loading label data ... ok (0.0000)
> loading objects (files,directories,etc.) ... ok (0.1155)
> loading names ... ok (0.2793)
> loading deletion timestamps ... ok (0.0000)
> loading quota definitions ... ok (0.0000)
> loading xattr data ... ok (0.0000)
> loading posix_acl data ... ok (0.0289)
> loading open files data ... ok (0.0000)
> loading flock_locks data ... ok (0.0000)
> loading posix_locks data ... loading posix_locks: lock on closed file !!!
> cleaning metadata ...
> cleaning objects ... done
> cleaning names ... done
> cleaning deletion timestamps ... done
> cleaning quota definitions ... done
> cleaning chunks data ...done
> cleaning xattr data ...done
> cleaning posix_acl data ...done
> cleaning flock locks data ...done
> cleaning posix locks data ...done
> cleaning chunkservers data ...done
> cleaning open files data ...done
> cleaning sessions data ...done
> cleaning label sets data ...done
> metadata have been cleaned
> error loading metadata.mfs - try using option '-a'
> init: metadata manager failed !!!
> error occured during initialization - exiting
>
>
> [root@glenrock ~]# mfsmaster -a
> open files limit has been set to: 16384
> working directory: /var/lib/mfs
> lockfile created and locked
> initializing mfsmaster modules ...
> exports file has been loaded
> topology file has been loaded
> loading metadata ...
> loading sessions data ... ok (0.0000)
> loading label data ... ok (0.0000)
> loading objects (files,directories,etc.) ... ok (0.1160)
> loading names ... ok (0.2792)
> loading deletion timestamps ... ok (0.0000)
> loading quota definitions ... ok (0.0000)
> loading xattr data ... ok (0.0000)
> loading posix_acl data ... ok (0.0291)
> loading open files data ... ok (0.0000)
> loading flock_locks data ... ok (0.0000)
> loading posix_locks data ... loading posix_locks: lock on closed file !!!
> cleaning metadata ...
> cleaning objects ... done
> cleaning names ... done
> cleaning deletion timestamps ... done
> cleaning quota definitions ... done
> cleaning chunks data ...done
> cleaning xattr data ...done
> cleaning posix_acl data ...done
> cleaning flock locks data ...done
> cleaning posix locks data ...done
> cleaning chunkservers data ...done
> cleaning open files data ...done
> cleaning sessions data ...done
> cleaning label sets data ...done
> metadata have been cleaned
> error loading metadata file (metadata.mfs): ENOENT (No such file or
> directory)
> init: metadata manager failed !!!
> error occured during initialization - exiting
>
> [root@glenrock ~]# ls -l /var/lib/mfs/metadata.mfs
> -rw-r----- 1 mfs mfs 65582156 Apr 15 11:23 /var/lib/mfs/metadata.mfs
>
> Can anyone help as this cluster was running fine before and we need to
> have it working again by Monday.
>
> We do have several metaloggers that have been running the whole time if
> that helps.
>
> Best regards
>
> Alex
>
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This message is intended only for the addressee and may contain
confidential information. Unless you are that person, you may not
disclose its contents or use it in any way and are requested to delete
the message along with any attachments and notify us immediately.
This email is not intended to, nor should it be taken to, constitute advice.
The information provided is correct to our knowledge & belief and must not
be used as a substitute for obtaining tax, regulatory, investment, legal or
any other appropriate advice.

"Transact" is operated by Integrated Financial Arrangements Ltd.
29 Clement's Lane, London EC4N 7AE. Tel: (020) 7608 4900 Fax: (020) 7608 5300.
(Registered office: as above; Registered in England and Wales under
number: 3727592). Authorised and regulated by the Financial Conduct
Authority (entered on the Financial Services Register; no. 190856).