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cluster:151 [2016/11/03 13:45] hmeij07 [Mirror Data] |
cluster:151 [2016/11/04 15:04] hmeij07 |
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==== Mirror Data ==== | ==== Mirror Data ==== | ||
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+ | When not all storage servers are up, client mounts will fail. This is just an optional " | ||
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+ | In order to able able to take a storage server off line without any impact, all content needs to mirrored. | ||
** Before ** | ** Before ** | ||
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# enable mirroring for data by directory -numTargets needs to be set to max nr of storage servers? | # enable mirroring for data by directory -numTargets needs to be set to max nr of storage servers? | ||
+ | # changed to 11/02/2016: | ||
+ | [root@n7 ~]# beegfs-ctl --setpattern --buddymirror / | ||
[root@n7 ~]# beegfs-ctl --setpattern --buddymirror / | [root@n7 ~]# beegfs-ctl --setpattern --buddymirror / | ||
New chunksize: 524288 | New chunksize: 524288 | ||
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</ | </ | ||
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+ | Here is an important note, from community list: | ||
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+ | * " | ||
+ | * so the important line that tells you that this file is mirrored is "Type: Buddy Mirror" | ||
+ | * " | ||
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==== Quota ==== | ==== Quota ==== | ||
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# enable meta mirroring, directory based | # enable meta mirroring, directory based | ||
+ | # change to 11/04/2016: used --createdir to make this home. | ||
+ | [root@n7 ~]# beegfs-ctl --mirrormd / | ||
[root@n7 ~]# beegfs-ctl --mirrormd / | [root@n7 ~]# beegfs-ctl --mirrormd / | ||
Mount: '/ | Mount: '/ |