2 .\" Copyright 2006 by ClusterFileSystems. All Rights Reserved.
3 .\" This file may be copied under the terms of the GNU Public License.
5 .TH tunefs.lustre 8 "2006 Jun 15" Lustre "configuration utilities"
7 tunefs.lustre \- modify the Lustre configuration information on a disk
16 is used to modify the configuration information on a Lustre target
17 disk. This includes upgrading old (pre-Lustre 1.6) disks. This does not
18 reformat the disk or erase the target information, but modifying the
19 configuration information can result in an unusable filesystem. You have
22 Changes made here will affect a filesystem only when the target is next
27 .BI \--comment= comment
28 Set user comment about this disk, ignored by Lustre.
31 Remove all previous parameter info
33 .BI \--failnode= nid,...
34 Set the NID(s) of a failover partner. This option can be repeated as desired.
36 .BI \--fsname= filesystem_name
37 The Lustre filesystem this service will be part of. Default is 'lustre'
40 Force a particular OST or MDT index
42 .BI \--mountfsoptions= opts
43 Set permanent mount options, equivalent to setting in /etc/fstab
46 add a configuration management service to this target
48 .BI \--mgsnode= nid,...
49 Set the NID(s) of the MGS node, required for all targets other than the MGS.
52 Only print what would be done; does not affect the disk
55 remove a configuration management service to this target
58 Print less information.
61 Print more information.
64 Erase all config logs for the filesystem that this target is part of. This
69 .B tunefs.lustre --fsname=testfs --mdt --mgs /dev/sda1
70 Combined MGS and MDT for filesystem 'testfs' on node e.g. cfs21
72 .B tunefs.lustre --fsname=testfs --ost --mgsnode=cfs21@tcp0 /dev/sdb
73 OST for filesystem 'testfs' on any node using the above MGS.
75 .B tunefs.lustre --mgs /dev/sda1
76 Standalone MGS on e.g. node cfs22
78 .B tunefs.lustre --fsname=myfs1 --mdt --mgsnode=cfs22@tcp0 /dev/sda2
79 MDT for filesystem 'myfs1' on any node, using the above MGS
82 Please report all bugs to ClusterFileSystems, support@clusterfs.com
87 filesystem package and is available from CFS