cluster:151
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cluster:151 [2016/11/10 19:39] hmeij07 [Resync Data] |
cluster:151 [2016/11/10 20:37] hmeij07 [Tuning] |
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| [[http:// | [[http:// | ||
| + | |||
| + | //If the primary storage target of a buddy group is unreachable, | ||
| Testing out fail over and deletion of data on secondary then a full resync process: | Testing out fail over and deletion of data on secondary then a full resync process: | ||
| Line 131: | Line 133: | ||
| [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 / | ||
| + | ^^^^^^^^ | ||
| # copy on secondary | # copy on secondary | ||
| Line 137: | Line 140: | ||
| [root@swallowtail ~]# ls -lh / | [root@swallowtail ~]# ls -lh / | ||
| -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, notice the '' | # seems to work, notice the '' | ||
| Line 176: | Line 180: | ||
| * do BEFORE populating XFS file systems | * do BEFORE populating XFS file systems | ||
| + | ==== Meta Backup/ | ||
| + | |||
| + | [[http:// | ||
| + | |||
| + | < | ||
| + | |||
| + | # latest tar | ||
| + | rpm -Uvh / | ||
| + | |||
| + | # backup | ||
| + | cd /data; tar czvf / | ||
| + | |||
| + | # restore | ||
| + | cd / | ||
| + | |||
| + | # test | ||
| + | cd /data; diff -r beegfs_meta beegfs_meta.orig | ||
| + | # no results | ||
| + | |||
| + | </ | ||
| + | |||
| + | |||
| + | |||
| + | ==== Resync Meta ==== | ||
| + | |||
| + | [[http:// | ||
| + | |||
| + | * older versions | ||
| + | * new future version will work like storage mirror with HA and self-healing | ||
| ==== Mirror Meta ==== | ==== Mirror Meta ==== | ||
| + | |||
| + | //Metadata mirroring can currently not be disabled after it has been enabled for a certain directory// | ||
| Definitely want Meta content mirrored, that way I can use the n38-n45 nodes with local 15K disk, plus maybe cottontail2 (raid 1 with hot and cold spare). | Definitely want Meta content mirrored, that way I can use the n38-n45 nodes with local 15K disk, plus maybe cottontail2 (raid 1 with hot and cold spare). | ||
| Line 204: | Line 239: | ||
| [root@sharptail ~]# ssh n38 find / | [root@sharptail ~]# ssh n38 find / | ||
| / | / | ||
| - | ^^^^^^ | + | |
| # and find | # and find | ||
| [root@sharptail ~]# ssh n39 find / | [root@sharptail ~]# ssh n39 find / | ||
| Line 281: | Line 316: | ||
| * set in / | * set in / | ||
| - | * backup | + | * backup/restore/mirror |
| - | * attempt a restore | + | * see more towards top this page |
| - | * or just snapshot | + | |
| * storage server tuning | * storage server tuning | ||
cluster/151.txt · Last modified: 2016/12/06 20:14 by hmeij07
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