-#LyX 1.2 created this file. For more info see http://www.lyx.org/
-\lyxformat 220
+#LyX 1.3 created this file. For more info see http://www.lyx.org/
+\lyxformat 221
\textclass amsart
\language english
\inputencoding auto
\series default
,
\series bold
-
-\series default
-or
-\series bold
- echo_client.
+ echo_client, or cobd.
\series default
We describe the arguments required for the addition of each
-
\emph default
-add\SpecialChar ~
+node Adds a new node in the cluster configuration.
+
+\begin_deeper
+\layout Standard
+
+The arguments required are:
+\layout Description
+
+--node\SpecialChar ~
+''node_name'' This will create a new node with the given name if not
+ already present.
+\layout Description
+
+--timeout\SpecialChar ~
+<num> Timeout before going into recovery
+\layout Description
+
+--lustre_upcall\SpecialChar ~
+<path> Set the location of the Lustre upcall scripts used
+ by the client for recovery
+\layout Description
+
+--portals_upcall\SpecialChar ~
+<path> Specify the location of the Portals upcall scripts
+ used by the client for recovery
+\layout Description
+
+--upcall\SpecialChar ~
+<path> Specify the location of both (Lustre and Portals) upcall
+ scripts used by the client for recovery
+\layout Description
+
+--ptldebug\SpecialChar ~
+<debug_level> Set the portals debug level.
+\layout Description
+
+--subsytem\SpecialChar ~
+<subsystem_name> Specify which Lustre subsystems have debug output
+ recorded in the log.
+\end_deeper
+\layout Description
+
+
+\emph on
+-
+\emph default
+-add\SpecialChar ~
net Adds a network device descriptor for the given node, with parameters
as indicated.
\begin_deeper
\layout Description
--nettype\SpecialChar ~
-<type> This can be
+<type> Specify the network type.This can be
\series bold
tcp, elan, gm.
\layout Description
ElanID or IP address as used by Portals.
If
\emph on
-host_name
+nid
\emph default
- is '*', then the local address while be substituted when the node is configured
- with lconf.
+ is '*', then the local address of the interface with specified
+\series bold
+nettype
+\series default
+is will be substituted when the node is configured with lconf.
+ An
+\emph on
+nid
+\emph default
+ of
+\emph on
+'*'
+\emph default
+ should be used only for the generic
+\emph on
+client
+\emph default
+ configuration.
\layout Description
---router Optional flag to mark this node as a router
+--cluster_id\SpecialChar ~
+id Specify the cluster ID.
\layout Description
---profile Optional flag to mark this node as a profile node.
- This is automatically true if the the
-\emph on
---nid
-\emph default
- argument contains a '*'.
+--hostaddr\SpecialChar ~
+addr Specify the host address.
+ lconf will transfer it to the real host address.
+\layout Description
+
+--router Optional flag to mark this node as a router
\layout Description
--port\SpecialChar ~
-[port] Optional argument to indicate the tcp port.
+[port] Optional arguement to indicate the tcp port.
The default is 988.
\layout Description
--tcpbuf\SpecialChar ~
-<size> Optional argument.
+<size> Optional arguement.
+ The default TCP buffer size is 1MB.
+\layout Description
+
+--irq_affinity\SpecialChar ~
+0|1 Optional arguement.
+ Default is 0.
+\layout Description
+
+--nid_exchange\SpecialChar ~
+0|1 Optional arguement since some OSTs might not have the
+ required support.
+ This is turned off by default, value of 1 will turn it ON.
+
\end_deeper
\layout Description
\begin_deeper
\layout Description
+--node\SpecialChar ~
+<node\SpecialChar ~
+name> Name of the node on which the MDS resides
+\layout Description
+
--mds\SpecialChar ~
-<mds_name>
+<mds_name> Specify MDS name.
+\layout Description
+
+--failover Enable failover support on MDS.
\layout Description
--dev\SpecialChar ~
If the is a file, then a loop device is created and used as the block device.
\layout Description
+--backdev\SpecialChar ~
+<pathname> Path of the device for backing storage on local system.
+\layout Description
+
--size\SpecialChar ~
-<size> Optional argument indicating the size of the device to be created
- (used typically for loop devices).
+<size> Optional argument indicating the size (in KB) of the device
+ to be created (used typically for loop devices).
\layout Description
--node\SpecialChar ~
--node
\emph default
argument, and it must not be a profile node.
+\layout Description
+
+--fstype\SpecialChar ~
+extN|ext3 Optional argument used to specify the file system type.
+ Default is ext3.
+\layout Description
+
+--backfstype\SpecialChar ~
+ext3|tmpfs Optional argument to specify the backing filesystem
+ type.
+\layout Description
+
+--nspath Local mount point of server namespace.
+\layout Description
+
+--inode_size\SpecialChar ~
+<size> Specify new inode size for underlying ext3 file system.
+\layout Description
+
+--mkfsoptions\SpecialChar ~
+<options> Optional argument to mkfs.
+\layout Description
+
+--mountfsoptions\SpecialChar ~
+<options> Optional argument to mount fs.
+ Mount options will be passed by this argument.
+ For example, extents are to be enabled by adding ",extents" to the --mountfsopt
+ions option.
+
+\begin_inset Quotes eld
+\end_inset
+
+errors=remount-ro
+\begin_inset Quotes erd
+\end_inset
+
+ and
+\begin_inset Quotes eld
+\end_inset
+
+asyncdel
+\begin_inset Quotes erd
+\end_inset
+
+ can also be added to it.
+\layout Description
+
+--journal_size\SpecialChar ~
+<size> Optional arguement to specify the journal size for
+ the ext2/ext3 file system.
+ The size should be in the units expected by
+\series bold
+mkfs
+\series default
+, so for ext3 it should be in MB.
+ If this is option is not used, the ext2/ext3 filesystem will be configured
+ with the default journal size.
\end_deeper
\layout Description
\begin_deeper
\layout Description
---lov_<name>
+--lov\SpecialChar ~
+<name> Specify LOV name.
\layout Description
---mds_<name>
+--mds\SpecialChar ~
+<name> Specify the mds name.
\layout Description
--stripe_sz\SpecialChar ~
-<size>
+<size> Specify the stripe size in bytes.
\layout Description
--stripe_cnt\SpecialChar ~
-<count>
+<count> A value of 0 for this means to stripe on all available
+ OSTs.
+ Default is 0.
\layout Description
--stripe_pattern\SpecialChar ~
-<pattern> Pattern can be 0.
+<pattern> Only Pattern 0 (RAID 0) is supported currently.
\end_deeper
\layout Description
\begin_deeper
\layout Description
---obd\SpecialChar ~
-<name> Assign a name to the OBD device.
+--ost\SpecialChar ~
+<name> Assign a name to the OST device.
\layout Description
--node\SpecialChar ~
node.
\layout Description
+--failover Enable failover support on OST.
+\layout Description
+
--dev\SpecialChar ~
<pathname> Path of device on local system.
If this is a file, then a loop device is created and used as the block
device.
\layout Description
+--backdev\SpecialChar ~
+<pathname> Path of the device for backing storage on local system.
+\layout Description
+
--size\SpecialChar ~
-[size]
+[size] Optional argument indicating the size (in KB) of the device
+ to be created (used typically for loop devices).
+\layout Description
+
+--osdtype\SpecialChar ~
+obdfilter|obdecho Specify the type of OSD.
\layout Description
--lov\SpecialChar ~
-<name> Name of LOV to which this OSC will be attached.
+<name> Optional arguement.
+ Name of LOV to which this OSC will be attached.
\layout Description
---obduuid\SpecialChar ~
-UUID Specify the UUID of the OBD device.
- The default value is
-\emph on
-OBD_nodename_UUID
-\emph default
-.
+--ostuuid\SpecialChar ~
+UUID Specify the UUID of the OST device.
+
+\layout Description
+
+--fstype\SpecialChar ~
+extN|ext3 Optional arguement used to specify the file system type.
+ Default is ext3.
+\layout Description
+
+--backfstype\SpecialChar ~
+ext3|tmpfs Optional argument to specify the backing filesystem
+ type.
+\layout Description
+
+--inode_size\SpecialChar ~
+<size> Specify new inode size for underlying ext3 file system.
+\layout Description
+
+--nspath Local mount point of server namespace.
+\layout Description
+
+--mkfsoptions\SpecialChar ~
+<options> Optional argument to mkfs.
+\layout Description
+
+--mountfsoptions\SpecialChar ~
+<options> Optional argument to mount fs.
+ Mount options will be passed by this argument.
+ For example, extents are to be enabled by adding ",extents" to the --mountfsopt
+ions option.
+
+\begin_inset Quotes eld
+\end_inset
+
+errors=remount-ro
+\begin_inset Quotes erd
+\end_inset
+
+ and
+\begin_inset Quotes eld
+\end_inset
+
+asyncdel
+\begin_inset Quotes erd
+\end_inset
+
+ can also be added to it.
+\layout Description
+
+--journal_size\SpecialChar ~
+<size> Optional arguement to specify the journal size for
+ the ext2/ext3 file system.
+ The size should be in the units expected by
+\series bold
+mkfs
+\series default
+, so for ext3 it should be in MB.
+ If this is option is not used, the ext2/ext3 filesystem will be configured
+ with the default journal size.
\end_deeper
\layout Description
\layout Description
--path\SpecialChar ~
-/mnt/path\SpecialChar ~
-
+/mnt/path Specify the mountpoint for Lustre.
\layout Description
--mds\SpecialChar ~
-mds_name
+mds_name Specify the mds name, which will provide service for this
+ client.
\layout Description
---obd\SpecialChar ~
-obd_name\SpecialChar ~
+--ost\SpecialChar ~
+ost_name\SpecialChar ~
|\SpecialChar ~
--lov\SpecialChar ~
-lov_name
+lov_name Specify the ost or lov, which will provide service
+ for this client.
\end_deeper
\layout Description
\layout Description
--node\SpecialChar ~
-node Node or profile node to add the route to.
+node Node to add the route to.
+\layout Description
+
+--router Optional flag to mark a node as router.
\layout Description
--gw\SpecialChar ~
of the gateway (must be a local interface or a peer).
\layout Description
---tgt\SpecialChar ~
-nid For a specific route, this is the target
-\emph on
-nid.
+--gateway_cluster_id\SpecialChar ~
+id Specify the id of the cluster, to which the gateway
+ belongs.
+\layout Description
+
+--target_cluster_id\SpecialChar ~
+id Specify the id of the cluster, to which the target
+ of the route belongs.
\layout Description
--lo\SpecialChar ~
\layout Description
--add\SpecialChar ~
-echo-client Used for testing
+echo-client Used for testing purpose only.
+
\begin_deeper
\layout Description
--node\SpecialChar ~
-node
+nodename
\emph on
+\emph default
+Node on which the echo-client resides.
+\end_deeper
+\layout List
+\labelwidthstring 00.00.0000
+
+
+\series bold
+--add\SpecialChar ~
+cobd
+\series default
+Create the cobd on the specified node.
+\begin_deeper
+\layout Description
+\noindent \align left
+--node\SpecialChar ~
+nodename
+\emph on
+
+\emph default
+Node on which the cobd resides.
+\layout Description
+
+--cache_obd\SpecialChar ~
+obd_name Specify the cache device for the cache obd system.
\layout Description
---obd\SpecialChar ~
-obd_name
+--real_obd\SpecialChar ~
+obd_name
+\emph on
+
+\emph default
+Specify the real device for the cache obd system.
\end_deeper
\layout List
\labelwidthstring 00.00.0000
Options
\layout Description
+--reference Print short reference for commands.
+\layout Description
+
+--verbose Print system commands as they are run.
+\layout Description
+
+--batch\SpecialChar ~
+filename Used to execute lmc commands in batch mode.
+\layout Description
+
--output\SpecialChar ~
filename Send output to the file.
If the file exists, it will be overwritten.