glusterfs.git/rpc/xdr, branch v3.7dev

cli/glusterd: Added support for dispersed volumes

2014-07-11T17:34:24+00:00

Two new options have been added to the 'create' command of the cli
interface:

    disperse [] redundancy 

Both are optional. A dispersed volume is created by specifying, at
least, one of them. If 'disperse' is missing or it's present but
'' does not, the number of bricks enumerated in the command
line is taken as the disperse count.

If 'redundancy' is missing, the lowest optimal value is assumed. A
configuration is considered optimal (for most workloads) when the
disperse count - redundancy count is a power of 2. If the resulting
redundancy is 1, the volume is created normally, but if it's greater
than 1, a warning is shown to the user and he/she must answer yes/no
to continue volume creation. If there isn't any optimal value for
the given number of bricks, a warning is also shown and, if the user
accepts, a redundancy of 1 is used.

If 'redundancy' is specified and the resulting volume is not optimal,
another warning is shown to the user.

A distributed-disperse volume can be created using a number of bricks
multiple of the disperse count.

Change-Id: Iab93efbe78e905cdb91f54f3741599f7ea6645e4
BUG: 1118629
Signed-off-by: Xavier Hernandez 
Reviewed-on: http://review.gluster.org/7782
Tested-by: Gluster Build System 
Reviewed-by: Jeff Darcy 
Reviewed-by: Vijay Bellur

mgmt/glusterd: display snapd status as part of volume status

2014-07-01T05:30:58+00:00

* Made changes to save the port used by snapd in the info file for the volume
  i.e. /vols//info

This is how the gluster volume status of a volume would look like for which the
uss feature is enabled.

[root@tatooine ~]# gluster volume status vol
Status of volume: vol
Gluster process                                         Port    Online  Pid
------------------------------------------------------------------------------
Brick tatooine:/export1/vol                             49155   Y       5041
Snapshot Daemon on localhost                            49156   Y       5080
NFS Server on localhost                                 2049    Y       5087

Task Status of Volume vol
------------------------------------------------------------------------------
There are no active volume tasks

Change-Id: I8f3e5d7d764a728497c2a5279a07486317bd7c6d
BUG: 1111041
Signed-off-by: Raghavendra Bhat 
Reviewed-on: http://review.gluster.org/8114
Tested-by: Gluster Build System 
Reviewed-by: Kaushal M

Get snapshot info dynamically via new rpc and infra for snapview-server to refresh snaplist

2014-06-15T17:33:23+00:00

BUG: 1105439
Change-Id: I4bb312a53d88f6f4955e69a3ef2b4955ec17f26d
Signed-off-by: Anand Subramanian 
Reviewed-on: http://review.gluster.org/8001
Tested-by: Gluster Build System 
Reviewed-by: Vijay Bellur

rpc: make sure we use relative path

2014-05-20T04:01:20+00:00

In commit "618d465295df02ae6d53be1327947a210bb8b47d" we made
change regarding NetBSD make by replacing `$<`, fix it
accordingly.

Change-Id: Ief82887253ede8216efd0ae7d5f73329f1492846
BUG: 1089172
Signed-off-by: Harshavardhana 
Reviewed-on: http://review.gluster.org/7787
Tested-by: Gluster Build System 
Reviewed-by: Niels de Vos 
Reviewed-by: Justin Clift 
Tested-by: Justin Clift

NetBSD build fixes

2014-05-17T18:53:34+00:00

- Shell scripts: == is specific to bash and ksh. Use = instead.
- Shell scripts: use sh instead of bash if bash functionnality is not used
- Shell scripts: ${var/search/replace} is specific to bash
- sed: The -i option is specific to GNU sed.
- Makefiles: $< outside of generic rules only work in GNU make.
- xdrproc_t() is not universally defined as variadic. Do not specify third
  argument if it is not used
- NetBSD FUSE specific: only include  in FUSE client code,
  it harms in other locations
- configure: Search for gettext() in libintl as NetBSD stores it there
- Like MacOS X, NetBSD has unmount(2) and not umount(2) (un vs u)

Some other build issues previously included in this change were
removed:
- __THROW macro, addressed in http://review.gluster.com/#/c/7757/
- getmntent() compat shared with MacOS X, in http://review.gluster.com/#/c/7722/

This patchset adds warning fixes for mount_glusterfs

BUG: 764655
Change-Id: I2f1faf8ff96362d3e2baf237b943df619011f1f4
Signed-off-by: Emmanuel Dreyfus 
Reviewed-on: http://review.gluster.org/7783
Tested-by: Gluster Build System 
Reviewed-by: Harshavardhana

geo-rep/glusterd: Pause and Resume feature for geo-replication

2014-05-14T06:10:10+00:00

        This patch introduces pause and resume cli command
        for geo-replication.

Signed-off-by: Kotresh H R 

Change-Id: I4f5e58e9175fe85077d56088473252391fb57de7
BUG: 1093602
Signed-off-by: Kotresh H R 
Reviewed-on: http://review.gluster.org/7643
Tested-by: Gluster Build System 
Reviewed-by: Atin Mukherjee 
Reviewed-by: Avra Sengupta 
Reviewed-by: Venky Shankar 
Tested-by: Venky Shankar

libgfapi: Added support to fetch volume info from glusterd and store in glfs object.

2014-05-11T09:47:42+00:00

Defined new APIs in the libgfapi module, given a glfs object,
 * to send handshake RPC call to glusterd process to fetch UUID of the volume
 * store it in the glusterfs_context linked to the glfs object.
 * to parse UUID from its cannonical string format into 16-byte array
   before sending it to the libgfapi users.

Defined a RPC call in glusterd which can be used to query volume related
info by other processes using 'clnt_handshake_procs'.

Note - Currently this RPC call to glusterd process is used only to fetch UUID.
But it can be extended to get other volume related structures as well.

In addition to the above, defined a new variable to keep track of such handshake
RPCs still in progress to make sure all the corresponding RPC callbacks have been
processed before libgfapi returns the glfs object initialized.

Also bumping up the GFAPI current version number since there is a new API
"glfs_get_volume_id" defined and exposed by libgfapi as part of these changes.

Change-Id: I303f76d7177d32d25bdb301b1dbcf5cd73f42807
BUG: 1090363
Signed-off-by: Soumya Koduri 
Reviewed-on: http://review.gluster.org/7218
Reviewed-by: Anand Avati 
Reviewed-by: Harshavardhana 
Tested-by: Gluster Build System 
Reviewed-by: Vijay Bellur

glusterd/snapshot: Activation and De-activation of snapshot

2014-05-02T16:27:46+00:00

Previously, snapshots by default were activated on creation and there was
no option to activate or deactivate them on demand.

This will allow the user to activate and deactivate on demand.
The CLI goes as follows

1) Activate the snap using a command "gluster snapshot activate  [force]"
2) Deactivate the snap using a command "gluster snapshot deactivate "

Note: Even now the snapshot will be activated during creation.

Change-Id: I0946d800780f26c63fa1fcaf29aabc900140448f
BUG: 1061685
Signed-off-by: Joseph Fernandes 
Reviewed-on: http://review.gluster.org/7476
Tested-by: Gluster Build System 
Reviewed-by: Vijaikumar Mallikarjuna 
Reviewed-by: Vijay Bellur

glusterd: Ping timer implmentation

2014-04-29T21:23:51+00:00

This patch refactors the existing client ping timer implementation, and makes
use of the common code for implementing both client ping timer and the
glusterd ping timer.

A new gluster rpc program for ping is introduced. The ping timer is only
started for peers that have this new program. The deafult glusterd ping
timeout is 30 seconds. It is configurable by setting the option
'ping-timeout' in glusterd.vol .

Also, this patch introduces changes in the glusterd-handshake path. The client
programs for a peer are now set in the callback of dump_versions, for both
the older handshake and the newer op-version handshake. This is the only place
in the handshake process where we know what programs a peer supports.

Change-Id: I035815ac13449ca47080ecc3253c0a9afbe9016a
BUG: 1038261
Signed-off-by: Vijaikumar M 
Signed-off-by: Krishnan Parthasarathi 
Reviewed-on: http://review.gluster.org/5202
Tested-by: Gluster Build System 
Reviewed-by: Anand Avati

rpcgen: After recent changes parallel builds failed

2014-04-27T17:40:56+00:00

Parallel builds failed due to make file would overrun
xdrgen (internally xdrgen uses tempfiles to add License
header).

Seperate out header and source generation and add explicit
dependency to fix it.

Change-Id: Id20f548493540b0f17a2300f0775646f9f20789c
BUG: 1090807
Signed-off-by: Harshavardhana 
Reviewed-on: http://review.gluster.org/7572
Tested-by: Gluster Build System 
Reviewed-by: Anand Avati