Gluster users - Dec 2014 - [gluster client] what's different between mount.glusterfs and glusterfs

Hi,

When mounting Gluster volumes to access data , I find that there are two ways
listed below:


1)      glusterfs -p /var/run/glusterfs.pid --volfile-server=<vol_server>
--volfile-id=<volfile_id>  <mount_point>

2)      mount -t glusterfs -o direct-io-mode=disable,_netdev 
backupvolfile-server=<backup_vol_server>   <vol_server>:
<volume_name>   <mount_point>


so,

1.       what's the different between the above ways?

2.       If using way 1, is there option similar backupvolfile-server ?



BRs,
Jifeng.Li

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On Thu, Dec 11, 2014 at 11:59:18AM +0000, Jifeng Li
wrote:
> Hi,
> 
> When mounting Gluster volumes to access data , I find that there are two
ways listed below:
> 
> 
> 1)      glusterfs -p /var/run/glusterfs.pid
--volfile-server=<vol_server> --volfile-id=<volfile_id> 
<mount_point>
> 
> 2)      mount -t glusterfs -o direct-io-mode=disable,_netdev 
backupvolfile-server=<backup_vol_server>   <vol_server>:
<volume_name>   <mount_point>
> 
> 
> so,
> 
> 1.       what's the different between the above ways?
> 
> 2.       If using way 1, is there option similar backupvolfile-server ?
The glusterfs binary is the low-level tool that functions as a GlusterFS
client. The NFS-server, self-heal and other processes are actually
running the glusterfs binary too, just with a different set of options.

The /sbin/mount.glusterfs script is a mount helper. When executing a
standard "mount -t <fs-type>" command, the
/sbin/mount.<fs-type> helper
get executed (if one exists). The script itself will parse the options
that were passed on the mount commandline, and will re-format/arrange
them and executes the glusterfs binary with those options.

You can pass multiple --volfile-server=.. options to the glusterfs
binary. This should try mounting from the next server in case the
current one fails.

HTH,
Niels
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