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cluster:151 [2016/11/10 20:00]
hmeij07 [Mirror Data]
cluster:151 [2016/11/10 20:34]
hmeij07 [Meta Bakcup/Restore]
Line 179: Line 179:
     * seems straightforward     * seems straightforward
   * do BEFORE populating XFS file systems   * do BEFORE populating XFS file systems
 +
 +==== Meta Backup/Restore =====
 +
 +[[http://www.fhgfs.com/wiki/wikka.php?wakka=FAQ#ea_backup|External Link]]
 +
 +<code>
 +
 +# latest tar
 +rpm -Uvh /sanscratch/tmp/beegfs/tar-1.23-15.el6_8.x86_64.rpm
 +
 +# backup
 +cd /data; tar czvf /sanscratch/tmp/beegfs/meta-backup/n38-meta.tar.gz beegfs_meta/ --xattrs
 +
 +# restore
 +cd /data;  tar xvf /sanscratch/tmp/beegfs/meta-backup/n38-meta.tar.gz --xattrs
 +
 +# test
 +cd /data; diff -r beegfs_meta beegfs_meta.orig
 +# no results
 +
 +</code>
 +
 +
 +
 +==== Resync Meta ====
 +
 +[[http://www.beegfs.com/wiki/AboutMirroring2012#hn_59ca4f8bbb_4|External Link]]
  
 ==== Mirror Meta ==== ==== Mirror Meta ====
Line 210: Line 237:
 [root@sharptail ~]# ssh n38 find /data/beegfs_meta -name 3-581392E1-31 [root@sharptail ~]# ssh n38 find /data/beegfs_meta -name 3-581392E1-31
 /data/beegfs_meta/mirror/49.dentries/54/6C/0-581392F0-30/#fSiDs#/3-581392E1-31 /data/beegfs_meta/mirror/49.dentries/54/6C/0-581392F0-30/#fSiDs#/3-581392E1-31
-                  ^^^^^^+                  ^^^^^^ ^^
 # and find # and find
 [root@sharptail ~]# ssh n39 find /data/beegfs_meta -name 3-581392E1-31 [root@sharptail ~]# ssh n39 find /data/beegfs_meta -name 3-581392E1-31
cluster/151.txt ยท Last modified: 2016/12/06 20:14 by hmeij07