Re: [MooseFS-Users] Chunkserver failed to start after reinstallation

[Aleksander W. <ale...@mo...>]

Hi,

Thank you for your information.
We will fix this problem in the nearest MooseFS release.

Best regards
Aleksander Wieliczko
Technical Support Engineer
MooseFS.com <moosefs.com>

On 12/03/2015 11:02 AM, 18...@gm... wrote:
> Hi,
>
> I only have one master server, so this way works. I'm seeing chunks
> replication happens now.
>
> Thanks for your support.
>
> On Thu, Dec 3, 2015 at 4:58 PM, Aleksander Wieliczko
> <ale...@mo...> wrote:
>> Hi,
>>
>> If you have reinstalled chunkserver you probably removed
>> /var/lib/mfs/chunkserverid.mfs file with chunkserver metadata ID.
>> Now chunkserver and chunkserver disks are in mismatch condition.
>>
>> Solution is simple but very dangerous.
>> Please understand - this is security solution to prevent connecting
>> chunkserver to wrong master!!!
>> If you have 100% sure that this disks will be connected to right master and
>> there is no possibility that there is some mistake in configuration please
>> remove .metaid file from /mnt/sdb and /mnt/sdc folder.
>>
>> If you connect chunks to wrong master they will be removed.
>>
>> Best regards
>> Aleksander Wieliczko
>> Technical Support Engineer
>> MooseFS.com
>>
>> On 12/03/2015 08:41 AM, 18...@gm... wrote:
>>
>> Hi, I have 1 chunkserver in the cluster need to be reinstalled, and
>> after configured it, chunkserver can't start
>>
>> # /etc/init.d/moosefs-
>> chunkserver start
>> Starting moosefs-chunkserver:
>> open files limit has been set to: 16384
>> working directory: /var/lib/mfs
>> lockfile created and locked
>> setting glibc malloc arena max to 8
>> setting glibc malloc arena test to 1
>> initializing mfschunkserver modules ...
>> hdd space manager: chunkserver without meta id shouldn't use drive
>> with defined meta id (file: '/mnt/sdb/.metaid') - use '!' in drive
>> definition to ignore this (dangerous)
>> hdd space manager: chunkserver without meta id shouldn't use drive
>> with defined meta id (file: '/mnt/sdc/.metaid') - use '!' in drive
>> definition to ignore this (dangerous)
>> hdd space manager: no hdd space defined in /etc/mfs/mfshdd.cfg file
>> init: hdd space manager failed !!!
>> error occured during initialization - exiting
>>
>> Its working mfs disks were mounted
>>
>> # mount /dev/sdb1 /mnt/sdb
>> # mount /dev/sdc1 /mnt/sdc
>>
>> All mfs data disks were untouched, only remounted lastly.
>>
>> How can I solve this error?
>> Thanks in advance.
>>
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