cluster:151
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cluster:151 [2016/10/31 19:36] hmeij07 [Mirror Data] |
cluster:151 [2016/11/04 15:24] hmeij07 [Mirror Data] |
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| ==== Mirror Data ==== | ==== Mirror Data ==== | ||
| + | |||
| + | When not all storage servers are up, client mounts will fail. This is just an optional " | ||
| + | |||
| + | In order to able able to take a storage server off line without any impact, all content needs to mirrored. | ||
| ** Before ** | ** Before ** | ||
| Line 59: | Line 63: | ||
| | | ||
| # 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 | ||
| Line 101: | Line 107: | ||
| # copy on primary | # copy on primary | ||
| - | [root@swallowtail ~]# find / | ||
| - | / | ||
| [root@petaltail chroots]# ls -lh / | [root@petaltail chroots]# ls -lh / | ||
| -rw-rw-rw- 1 root root 4.9G Apr 7 2014 / | -rw-rw-rw- 1 root root 4.9G Apr 7 2014 / | ||
| Line 112: | Line 116: | ||
| -rw-rw-rw- 1 root root 4.9G Apr 7 2014 / | -rw-rw-rw- 1 root root 4.9G Apr 7 2014 / | ||
| - | # seems to work | + | # seems to work, notice the '' |
| </ | </ | ||
| + | |||
| + | Here is an important note, from community list: | ||
| + | |||
| + | * " | ||
| + | * so the important line that tells you that this file is mirrored is "Type: Buddy Mirror" | ||
| + | * " | ||
| + | |||
| + | Another note: I changed paths for mirrormd and buddymirror to ''/ | ||
| + | |||
| + | < | ||
| + | |||
| + | [root@cottontail2 ~]# beegfs-net | ||
| + | meta_nodes | ||
| + | ============= | ||
| + | cottontail2 [ID: 250] | ||
| + | | ||
| + | |||
| + | [root@cottontail2 ~]# beegfs-ctl --listnodes --nodetype=meta --details | ||
| + | cottontail2 [ID: 250] | ||
| + | | ||
| + | | ||
| + | ^^^ | ||
| + | |||
| + | </ | ||
| + | |||
| ==== Quota ==== | ==== Quota ==== | ||
| Line 135: | Line 164: | ||
| # 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: '/ | ||
cluster/151.txt · Last modified: 2016/12/06 20:14 by hmeij07
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