# Copyright (C) 2016-2020 Red Hat, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License along # with this program; if not, write to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. """ Description: Test Cases in this module tests the client side quorum. """ from glusto.core import Glusto as g from glustolibs.gluster.exceptions import ExecutionError from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on from glustolibs.gluster.volume_libs import ( set_volume_options, get_subvols) from glustolibs.misc.misc_libs import upload_scripts from glustolibs.gluster.brick_libs import (bring_bricks_offline, bring_bricks_online) from glustolibs.io.utils import (validate_io_procs, is_io_procs_fail_with_rofs) @runs_on([['replicated', 'distributed-replicated'], ['glusterfs', 'nfs']]) class ClientSideQuorumCross2Tests(GlusterBaseClass): """ ClientSideQuorumCross2Tests contains tests which verifies the client side quorum Test Cases with cross 2 volume """ @classmethod def setUpClass(cls): # Calling GlusterBaseClass setUpClass cls.get_super_method(cls, 'setUpClass')() # Upload io scripts for running IO on mounts g.log.info("Upload io scripts to clients %s for running IO on mounts", cls.clients) cls.script_upload_path = ("/usr/share/glustolibs/io/scripts/" "file_dir_ops.py") ret = upload_scripts(cls.clients, cls.script_upload_path) if not ret: raise ExecutionError("Failed to upload IO scripts to clients %s" % cls.clients) g.log.info("Successfully uploaded IO scripts to clients %s", cls.clients) # Override Volumes if cls.volume_type == "distributed-replicated": # Define 2x2 distributed-replicated volume cls.volume['voltype'] = { 'type': 'distributed-replicated', 'replica_count': 2, 'dist_count': 2, 'transport': 'tcp'} if cls.volume_type == "replicated": # Define x2 replicated volume cls.volume['voltype'] = { 'type': 'replicated', 'replica_count': 2, 'transport': 'tcp'} def setUp(self): """ setUp method for every test """ # calling GlusterBaseClass setUp self.get_super_method(self, 'setUp')() # Setup Volume and Mount Volume g.log.info("Starting to Setup Volume %s", self.volname) ret = self.setup_volume_and_mount_volume(self.mounts) if not ret: raise ExecutionError("Failed to Setup_Volume and Mount_Volume") g.log.info("Successful in Setup Volume and Mount Volume") def tearDown(self): """ tearDown for every test """ # stopping the volume g.log.info("Starting to Unmount Volume and Cleanup Volume") ret = self.unmount_volume_and_cleanup_volume(mounts=self.mounts) if not ret: raise ExecutionError("Failed to Unmount Volume and Cleanup Volume") g.log.info("Successful in Unmount Volume and Cleanup Volume") # Calling GlusterBaseClass tearDown self.get_super_method(self, 'tearDown')() def test_client_side_quorum_with_auto_option_cross2(self): """ Test Script to verify the Client Side Quorum with auto option * set cluster.quorum-type to auto. * start I/O from the mount point. * kill 2-nd brick process from the each and every replica set * perform ops """ # pylint: disable=too-many-branches,too-many-statements # set cluster.quorum-type to auto options = {"cluster.quorum-type": "auto"} g.log.info("setting cluster.quorum-type to auto on " "volume %s", self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Unable to set volume option %s for" "volume %s" % (options, self.volname))) g.log.info("Successfully set %s for volume %s", options, self.volname) # Start IO on mounts g.log.info("Starting IO .....") all_mounts_procs = [] cmd = ("/usr/bin/env python %s create_files " "-f 10 --base-file-name file %s" % ( self.script_upload_path, self.mounts[0].mountpoint)) proc = g.run_async(self.mounts[0].client_system, cmd, user=self.mounts[0].user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # get the subvolumes g.log.info("Starting to get sub-volumes for volume %s", self.volname) subvols_dict = get_subvols(self.mnode, self.volname) num_subvols = len(subvols_dict['volume_subvols']) g.log.info("Number of subvolumes in volume %s:", num_subvols) # bring 2-nd bricks offline for all the subvolumes offline_bricks = [] for i in range(0, num_subvols): subvol_brick_list = subvols_dict['volume_subvols'][i] g.log.info("sub-volume %s brick list : %s", i, subvol_brick_list) bricks_to_bring_offline = subvol_brick_list[1] g.log.info("Going to bring down the brick process " "for %s", bricks_to_bring_offline) ret = bring_bricks_offline(self.volname, bricks_to_bring_offline) self.assertTrue(ret, ("Failed to bring down the bricks. Please " "check the log file for more details.")) g.log.info("Brought down the brick process " "for %s successfully", bricks_to_bring_offline) offline_bricks.append(bricks_to_bring_offline) # create new file named newfile0.txt g.log.info("Start creating new file on all mounts...") all_mounts_procs = [] cmd = ("/usr/bin/env python %s create_files " "-f 1 --base-file-name newfile %s" % ( self.script_upload_path, self.mounts[0].mountpoint)) proc = g.run_async(self.mounts[0].client_system, cmd, user=self.mounts[0].user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # create directory user1 g.log.info("Start creating directory on all mounts...") all_mounts_procs = [] cmd = "/usr/bin/env python %s create_deep_dir %s" % ( self.script_upload_path, self.mounts[0].mountpoint) proc = g.run_async(self.mounts[0].client_system, cmd, user=self.mounts[0].user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # create h/w link to file g.log.info("Start creating hard link for file0.txt on mount") cmd = ("ln %s/file0.txt %s/file0.txt_hwlink" % (self.mounts[0].mountpoint, self.mounts[0].mountpoint)) ret, _, _ = g.run(self.mounts[0].client_system, cmd) self.assertFalse(ret, 'Failed to create hard link ' 'for file0.txt on %s' % self.mounts[0].mountpoint) g.log.info("Hard link for file0.txt on %s is created successfully", self.mounts[0].mountpoint) # create s/w link g.log.info("Start creating soft link for file1.txt on mount") cmd = ("ln -s %s/file1.txt %s/file1.txt_swlink" % (self.mounts[0].mountpoint, self.mounts[0].mountpoint)) ret, _, _ = g.run(self.mounts[0].client_system, cmd) self.assertFalse(ret, 'Failed to create soft link ' 'for file1.txt on %s' % self.mounts[0].mountpoint) g.log.info("Soft link for file1.txt on %s is created successfully", self.mounts[0].mountpoint) # append to file g.log.info("Appending to file1.txt on all mounts") for mount_obj in self.mounts: cmd = ("cat %s/file0.txt >> %s/file1.txt" % (mount_obj.mountpoint, mount_obj.mountpoint)) ret, _, _ = g.run(mount_obj.client_system, cmd) self.assertFalse(ret, 'Failed to append file1.txt on %s' % mount_obj.mountpoint) g.log.info("Appending for file1.txt on %s is successful", mount_obj.mountpoint) # modify the file g.log.info("Modifying file1.txt on all mounts") for mount_obj in self.mounts: cmd = ("echo 'Modify Contents' > %s/file1.txt" % mount_obj.mountpoint) ret, _, _ = g.run(mount_obj.client_system, cmd) self.assertFalse(ret, 'Failed to modify file1.txt on %s' % mount_obj.mountpoint) g.log.info("Modifying for file1.txt on %s is successful", mount_obj.mountpoint) # truncate the file g.log.info("Truncating file1.txt on all mounts") for mount_obj in self.mounts: cmd = "truncate -s 0 %s/file1.txt" % mount_obj.mountpoint ret, _, _ = g.run(mount_obj.client_system, cmd) self.assertFalse(ret, 'Failed to truncate file1.txt on %s' % mount_obj.mountpoint) g.log.info("Truncating for file1.txt on %s is successful", mount_obj.mountpoint) # read the file g.log.info("Starting reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = "/usr/bin/env python %s read %s" % ( self.script_upload_path, mount_obj.mountpoint) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # stat on file g.log.info("stat on file1.txt on all mounts") for mount_obj in self.mounts: cmd = "stat %s/file1.txt" % mount_obj.mountpoint ret, _, _ = g.run(mount_obj.client_system, cmd) self.assertFalse(ret, 'Failed to stat file1.txt on %s' % mount_obj.mountpoint) g.log.info("Stat for file1.txt on %s is successful", mount_obj.mountpoint) # stat on dir g.log.info("stat on directory on all mounts") for mount_obj in self.mounts: cmd = "/usr/bin/env python %s stat %s" % ( self.script_upload_path, mount_obj.mountpoint) ret, _, _ = g.run(mount_obj.client_system, cmd) self.assertFalse(ret, 'Failed to stat directory on %s' % mount_obj.mountpoint) g.log.info("Stat for directory on %s is successful", mount_obj.mountpoint) # ls on mount point g.log.info("ls on mount point on all mounts") for mount_obj in self.mounts: cmd = "/usr/bin/env python %s ls %s" % ( self.script_upload_path, mount_obj.mountpoint) ret, _, _ = g.run(mount_obj.client_system, cmd) self.assertFalse(ret, 'Failed to ls on %s' % mount_obj.mountpoint) g.log.info("ls for %s is successful", mount_obj.mountpoint) # bring back the bricks online for all subvolumes g.log.info("bringing up the brick : %s online", offline_bricks) ret = bring_bricks_online(self.mnode, self.volname, offline_bricks) self.assertTrue(ret, ("Failed to brought the brick %s online" % offline_bricks)) g.log.info("Successfully brought the bricks") def test_client_side_quorum_with_fixed_for_cross2(self): """ Test Script to verify the Client Side Quorum with fixed for cross 2 volume * Disable self heal daemom * set cluster.quorum-type to fixed. * start I/O( write and read )from the mount point - must succeed * Bring down brick1 * start I/0 ( write and read ) - must succeed * set the cluster.quorum-count to 1 * start I/0 ( write and read ) - must succeed * set the cluster.quorum-count to 2 * start I/0 ( write and read ) - read must pass, write will fail * bring back the brick1 online * start I/0 ( write and read ) - must succeed * Bring down brick2 * start I/0 ( write and read ) - read must pass, write will fail * set the cluster.quorum-count to 1 * start I/0 ( write and read ) - must succeed * cluster.quorum-count back to 2 and cluster.quorum-type to auto * start I/0 ( write and read ) - must succeed * Bring back brick2 online * Bring down brick1 * start I/0 ( write and read ) - read must pass, write will fail * set the quorum-type to none * start I/0 ( write and read ) - must succeed """ # pylint: disable=too-many-branches,too-many-statements # Disable self heal daemon options = {"cluster.self-heal-daemon": "off"} g.log.info("setting %s for the volume %s", options, self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Unable to set %s for volume %s" % (options, self.volname))) g.log.info("Successfully set %s for volume %s", options, self.volname) # set cluster.quorum-type to fixed options = {"cluster.quorum-type": "fixed"} g.log.info("setting %s for the volume %s", options, self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Unable to set %s for volume %s" % (options, self.volname))) g.log.info("Successfully set %s for volume %s", options, self.volname) # start I/O( write ) - must succeed g.log.info("Starting IO on all mounts...") g.log.info("mounts: %s", self.mounts) all_mounts_procs = [] cmd = ("/usr/bin/env python %s create_files " "-f 10 --base-file-name file %s" % ( self.script_upload_path, self.mounts[0].mountpoint)) proc = g.run_async(self.mounts[0].client_system, cmd, user=self.mounts[0].user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = "/usr/bin/env python %s read %s" % ( self.script_upload_path, mount_obj.mountpoint) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # get the subvolumes g.log.info("Starting to get sub-volumes for volume %s", self.volname) subvols_dict = get_subvols(self.mnode, self.volname) num_subvols = len(subvols_dict['volume_subvols']) g.log.info("Number of subvolumes in volume %s:", num_subvols) # Bring down brick1 for all the subvolumes subvolumes_first_brick_list = [] subvolumes_second_brick_list = [] for i in range(0, num_subvols): subvol_brick_list = subvols_dict['volume_subvols'][i] g.log.info("sub-volume %s brick list : %s", i, subvol_brick_list) subvolumes_first_brick_list.append(subvol_brick_list[0]) subvolumes_second_brick_list.append(subvol_brick_list[1]) g.log.info("Going to bring down the brick process " "for %s", subvolumes_first_brick_list) ret = bring_bricks_offline(self.volname, subvolumes_first_brick_list) self.assertTrue(ret, ("Failed to bring down the bricks. Please " "check the log file for more details.")) g.log.info("Brought down the brick process " "for %s successfully", subvolumes_first_brick_list) # start I/0 ( write and read ) - must succeed g.log.info("Starting IO on all mounts...") g.log.info("mounts: %s", self.mounts) all_mounts_procs = [] cmd = ("/usr/bin/env python %s create_files " "-f 10 --base-file-name second_file %s" % ( self.script_upload_path, self.mounts[0].mountpoint)) proc = g.run_async(self.mounts[0].client_system, cmd, user=self.mounts[0].user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = "/usr/bin/env python %s read %s" % ( self.script_upload_path, mount_obj.mountpoint) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # set the cluster.quorum-count to 1 options = {"cluster.quorum-count": "1"} g.log.info("setting %s for the volume %s", options, self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Unable to set %s for volume %s" % (options, self.volname))) g.log.info("Successfully set %s for volume %s", options, self.volname) # start I/0 ( write and read ) - must succeed g.log.info("Starting IO on mount.....") all_mounts_procs = [] cmd = ("/usr/bin/env python %s create_files " "-f 10 --base-file-name third_file %s" % ( self.script_upload_path, self.mounts[0].mountpoint)) proc = g.run_async(self.mounts[0].client_system, cmd, user=self.mounts[0].user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = "/usr/bin/env python %s read %s" % ( self.script_upload_path, mount_obj.mountpoint) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # set the cluster.quorum-count to 2 options = {"cluster.quorum-count": "2"} g.log.info("setting %s for the volume %s", options, self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Unable to set %s for volume %s" % (options, self.volname))) g.log.info("Successfully set %s for volume %s", options, self.volname) # start I/0 ( write and read ) - read must pass, write will fail g.log.info("Starting IO on mount......") all_mounts_procs = [] cmd = ("/usr/bin/env python %s create_files " "-f 10 --base-file-name fourth_file %s" % ( self.script_upload_path, self.mounts[0].mountpoint)) proc = g.run_async(self.mounts[0].client_system, cmd, user=self.mounts[0].user) all_mounts_procs.append(proc) # Validate IO g.log.info("Validating whether IO failed with Read Only File System") ret, _ = is_io_procs_fail_with_rofs(self, all_mounts_procs, self.mounts) self.assertTrue(ret, ("Unexpected Error and IO successful" " on Read-Only File System")) g.log.info("EXPECTED Read-only file system in IO while creating file") # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = "/usr/bin/env python %s read %s" % ( self.script_upload_path, mount_obj.mountpoint) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # bring back the brick1 online for all subvolumes g.log.info("bringing up the bricks : %s online", subvolumes_first_brick_list) ret = bring_bricks_online(self.mnode, self.volname, subvolumes_first_brick_list) self.assertTrue(ret, ("Failed to brought the bricks %s online" % subvolumes_first_brick_list)) g.log.info("Successfully brought the bricks %s online", subvolumes_first_brick_list) # start I/0 ( write and read ) - must succeed g.log.info("Starting IO on mount.....") all_mounts_procs = [] cmd = ("/usr/bin/env python %s create_files " "-f 10 --base-file-name fifth_file %s" % ( self.script_upload_path, self.mounts[0].mountpoint)) proc = g.run_async(self.mounts[0].client_system, cmd, user=self.mounts[0].user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = "/usr/bin/env python %s read %s" % ( self.script_upload_path, mount_obj.mountpoint) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # Bring down brick2 for all the subvolumes g.log.info("Going to bring down the brick process " "for %s", subvolumes_second_brick_list) ret = bring_bricks_offline(self.volname, subvolumes_second_brick_list) self.assertTrue(ret, ("Failed to bring down the bricks. Please " "check the log file for more details.")) g.log.info("Brought down the brick process " "for %s successfully", subvolumes_second_brick_list) # start I/0 ( write and read ) - read must pass, write will fail g.log.info("Start creating files on mounts.....") all_mounts_procs = [] cmd = ("/usr/bin/env python %s create_files " "-f 10 --base-file-name sixth_file %s" % ( self.script_upload_path, self.mounts[0].mountpoint)) proc = g.run_async(self.mounts[0].client_system, cmd, user=self.mounts[0].user) all_mounts_procs.append(proc) # Validate IO g.log.info("Validating whether IO failed with Read Only File System") ret, _ = is_io_procs_fail_with_rofs(self, all_mounts_procs, self.mounts) self.assertTrue(ret, ("Unexpected Error and IO successful" " on Read-Only File System")) g.log.info("EXPECTED Read-only file system in IO while creating file") # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = "/usr/bin/env python %s read %s" % ( self.script_upload_path, mount_obj.mountpoint) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # set the cluster.quorum-count to 1 options = {"cluster.quorum-count": "1"} g.log.info("setting %s for the volume %s", options, self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Unable to set %s for volume %s" % (options, self.volname))) g.log.info("Successfully set %s for volume %s", options, self.volname) # start I/0 ( write and read ) - must succeed g.log.info("Starting IO on mount.....") all_mounts_procs = [] cmd = ("/usr/bin/env python %s create_files " "-f 10 --base-file-name seventh_file %s" % ( self.script_upload_path, self.mounts[0].mountpoint)) proc = g.run_async(self.mounts[0].client_system, cmd, user=self.mounts[0].user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = "/usr/bin/env python %s read %s" % ( self.script_upload_path, mount_obj.mountpoint) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # set cluster.quorum-type to auto and cluster.quorum-count back to 2 options = {"cluster.quorum-type": "auto", "cluster.quorum-count": "2"} g.log.info("setting %s for the volume %s", options, self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Unable to set %s for volume %s" % (options, self.volname))) g.log.info("Successfully set %s for volume %s", options, self.volname) # start I/0 ( write and read ) - must succeed g.log.info("Starting IO on mount.....") all_mounts_procs = [] cmd = ("/usr/bin/env python %s create_files " "-f 10 --base-file-name eigth_file %s" % ( self.script_upload_path, self.mounts[0].mountpoint)) proc = g.run_async(self.mounts[0].client_system, cmd, user=self.mounts[0].user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = "/usr/bin/env python %s read %s" % ( self.script_upload_path, mount_obj.mountpoint) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # Bring back brick2 online for all the subvolumes g.log.info("bringing up the bricks : %s online", subvolumes_second_brick_list) ret = bring_bricks_online(self.mnode, self.volname, subvolumes_second_brick_list) self.assertTrue(ret, ("Failed to brought the brick %s online" % subvolumes_second_brick_list)) g.log.info("Successfully brought the brick %s online", subvolumes_second_brick_list) # Bring down brick1 again for all the subvolumes g.log.info("Going to bring down the brick process " "for %s", subvolumes_first_brick_list) ret = bring_bricks_offline(self.volname, subvolumes_first_brick_list) self.assertTrue(ret, ("Failed to bring down the bricks. Please " "check the log file for more details.")) g.log.info("Brought down the brick process " "for %s successfully", subvolumes_first_brick_list) # start I/0 ( write and read ) - read must pass, write will fail g.log.info("Start creating files on mounts.....") all_mounts_procs = [] cmd = ("/usr/bin/env python %s create_files " "-f 10 --base-file-name ninth_file %s" % ( self.script_upload_path, self.mounts[0].mountpoint)) proc = g.run_async(self.mounts[0].client_system, cmd, user=self.mounts[0].user) all_mounts_procs.append(proc) # Validate IO g.log.info("Validating whether IO failed with Read Only File System") ret, _ = is_io_procs_fail_with_rofs(self, all_mounts_procs, self.mounts) self.assertTrue(ret, ("Unexpected Error and IO successful" " on Read-Only File System")) g.log.info("EXPECTED Read-only file system in IO while creating file") # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = "/usr/bin/env python %s read %s" % ( self.script_upload_path, mount_obj.mountpoint) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # set the quorum-type to none options = {"cluster.quorum-type": "none"} g.log.info("setting %s for the volume %s", options, self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Unable to set %s for volume %s" % (options, self.volname))) g.log.info("Successfully set %s for volume %s", options, self.volname) # start I/0 ( write and read ) - must succeed g.log.info("Starting IO on mount.....") all_mounts_procs = [] cmd = ("/usr/bin/env python %s create_files " "-f 10 --base-file-name tenth_file %s" % ( self.script_upload_path, self.mounts[0].mountpoint)) proc = g.run_async(self.mounts[0].client_system, cmd, user=self.mounts[0].user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = "/usr/bin/env python %s read %s" % ( self.script_upload_path, mount_obj.mountpoint) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # bring back the bricks online for all subvolumes g.log.info("bringing up the brick : %s online", subvolumes_first_brick_list) ret = bring_bricks_online(self.mnode, self.volname, subvolumes_first_brick_list) self.assertTrue(ret, ("Failed to brought the brick %s online" % subvolumes_first_brick_list)) g.log.info("Successfully brought the bricks")