Maciej Bogucki wrote: > Dmitriy MiksIr napisał(a): > >> Hi! I want to sync nodes by run rsync from GFS shared storage to node's >> filesystem. But preparing of rsync filelist is very slow (due "stat" >> trouble?). Is any suggestions to sync nodes or tune rsync? >> > > Hello, > > a) Disable quota, it will increase performance at least 2-3 times: > gfs_tool settune /gfs quota_account 0 > b) Rsync have to create a lock for each file so You could try to > increase /proc/cluster/lock_dlm/drop_count > c) Mount GFS filesystem with noatime flag. > d) Create direcotries with small number of files - stat() will be faster > > e) make snapshot, only mount snapshot on to-sync-node (and with lock_nolock). http://www.redhat.com/docs/manuals/csgfs/admin-guide/s1-lock-nolock.html Disadvantage: only works for one node at a time. f) use NFS.... ;-) cheers, Rainer -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
