Hp StoreAll Storage User Manual Page 166
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The next command imports audit metadata exported by the ibrix_audit_reports command:
MDimport –f target -t audit -n
simple_report_for_source_at_1341513594723.csv
The ibrix_audit_reports command automatically generates the file name
simple_report_for_source_at_1341513594723.csv.
Metadata and continuous remote replication
When continuous remote replication (CRR) is configured for a file system, or run-once replication
is performed, metadata that is stored only in Express Query from the source cluster is not transferred
to the target cluster. System metadata stored in the inodes, such as file permissions, are transferred
intact by remote replication. Custom and audit history metadata, which are stored only in the
Express Query database, are not transferred, but can be exported manually and periodically to
files that CRR will replicate.
Express Query on the target system processes files replicated to its file system by CRR as new file
creations and modifications, with the dates and times the files were replicated. The audit history
contains the history of file replications from the source system, not the audit history of file accesses
on the source system. The target Express Query is not be aware of any custom metadata applied
to files on the source system; however, you can add the source system’s audit history and custom
metadata to the target Express Query’s database by exporting and importing this metadata.
To include Express Query metadata in remote replication, you can create shell scripts (or scripts
in other languages) and set up periodic execution of those scripts by using standard Linux tools
such as “cron”. Such scripts must perform the steps of the export of custom metadata and audit
history described in “Saving and importing file system metadata” (page 164), with parameters
appropriate to your file systems. The exported files are copied to the target automatically by
continuous remote replication (CRR). Those files on the target can be imported into Express Query
running on the target at any time, if the target needs to become the active Express Query-enabled
file system.
The output file listed on the MDExport.pl command line must be in a directory that will be
replicated by CRR.
NOTE: The <mountpoint>/.archiving directory is excluded from replication. The
ibrix_audit_reports command creates its report output file in the <mountpoint>/
.archiving/reports subdirectory. Therefore, after issuing the ibrix_audit_reports
command, your script must move or copy the report output file to another directory on the file
system outside the .archiving tree for it to be replicated.
Metadata and synchronized server times
Metadata database updates often require coordinated actions from multiple IBRIX servers. Therefore,
it is important to keep your nodes as close together in time as possible, using NTP. Modifications
to the same file from different servers within the time difference between IBRIX servers could cause
inconsistencies between system metadata stored in the file inode and the metadata stored in Express
Query. To ensure consistency, keep servers synchronized with NTP and avoid modifying a file
from clients connected to different IBRIX servers at the same time. If the server cannot be chosen
by the client, such as when using external load balancers, then separate your client operations on
the same file beyond the maximum expected time difference between any two IBRIX servers.
166 Express Query
- Abstract 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Contents 7 7
- 8 Contents 8
- File system operations 9
- File system building blocks 11
- Configuring file systems 11
- Accessing file systems 12
- Creating a file system 13
- Creating a file system 15 15
- Creating a file system 17 17
- File limit for directories 19
- CLI procedures 21
- Mounting a file system 22
- Unmounting a file system 22
- Linux IBRIX 9000 clients 23
- Windows IBRIX 9000 clients 23
- Using Export Control 24
- 3 Configuring quotas 25
- 26 Configuring quotas 26
- 28 Configuring quotas 28
- Using a quotas file 29
- Exporting quotas to a file 30
- Format of the quotas file 30
- Using online quota check 31
- Deleting quotas 32
- Troubleshooting quotas 33
- 4 Maintaining file systems 34
- # ibrix_pv -i 35
- Lost+found directory 38
- Extending a file system 39
- How rebalancing works 40
- 42 Maintaining file systems 42
- Stopping rebalance tasks 44
- Deleting a file system 44
- Troubleshooting file systems 46
- 48 Maintaining file systems 48
- 5 Using NFS 51
- 52 Using NFS 52
- Shares panel 53
- Unexporting a file system 54
- Log files 56
- Active Directory 62
- LDAP ID mapping 62
- Local Groups 65
- Local Users 66
- Windows Share Administrators 68
- Configuring Active Directory 69
- Configuring LDAP 69
- Configuring LDAP ID mapping 70
- Delete a Local Group account: 72
- 7 Using SMB 73
- Monitoring SMB services 74
- SMB shares 75
- ◦ SE_MACHINE_VOLUME_PRIVILEGE 76
- ◦ SE_RESTORE_PRIVILEGE 76
- ◦ SE_TAKE_OWNERSHIP_PRIVILEGE 76
- SMB shares 77 77
- 78 Using SMB 78
- SMB shares 79 79
- Configuring SMB signing 80
- SMB shares 81 81
- 82 Using SMB 82
- Connecting to cluster nodes 83
- 84 Using SMB 84
- Saving MMC settings 85
- Adding SMB shares 85
- 86 Using SMB 86
- Deleting SMB shares 87
- Assigning attributes 89
- 90 Using SMB 90
- 99.30.8.23 91
- 99.30.8.24 91
- SMB clients 92
- Access Control Lists (ACLs) 93
- Restore operations 93
- Windows Clients Behavior 93
- 94 Using SMB 94
- New directories and files 95
- Troubleshooting SMB 96
- Troubleshooting SMB 97 97
- 8 Using FTP 98
- Managing FTP from the GUI 99 99
- 100 Using FTP 100
- Managing FTP from the GUI 101 101
- 102 Using FTP 102
- Managing FTP from the CLI 103
- The vsftpd service 104
- Accessing shares 105
- 9 Using HTTP 108
- Managing HTTP from the GUI 109
- 110 Using HTTP 110
- 112 Using HTTP 112
- 114 Using HTTP 114
- 116 Using HTTP 116
- Managing HTTP from the CLI 117
- 118 Using HTTP 118
- 120 Using HTTP 120
- Troubleshooting HTTP 121
- 122 Using HTTP 122
- 10 Managing SSL certificates 123
- 124 Managing SSL certificates 124
- Exporting a certificate 126
- Deleting a certificate 126
- 11 Using remote replication 127
- 128 Using remote replication 128
- GUI procedure 130
- CLI procedure 131
- Creating the target export 132
- Viewing replication tasks 133
- 134 Using remote replication 134
- Starting a replication task 135
- Filesystems panel 136
- Settings dialog box 136
- Target Settings dialog box 137
- Stopping a replication task 138
- 140 Using remote replication 140
- 142 Using remote replication 142
- 12 Managing data retention 143
- Data validation scans 144
- New file systems 145
- 146 Managing data retention 146
- 148 Managing data retention 148
- Making a file read-only 149
- Setting the atime 149
- File administration 150
- Specifying path lists 151
- Changing a retention period 152
- Running data validation scans 153
- 154 Managing data retention 154
- Checksum corruption: 156
- File corruption 157
- 158 Managing data retention 158
- Using remote replication 160
- 13 Express Query 162
- 164 Express Query 164
- Saving audit journal metadata 165
- 166 Express Query 166
- Managing auditing 167
- Audit log reports 168
- StoreAll REST API 170
- Component overview 171
- Metadata queries 172
- URL encoding 173
- Pathname parameters 173
- Optional version parameter 173
- API date formats 174
- File content transfer 175
- Download a file 176
- Delete a file 176
- Custom metadata assignment 177
- System and custom metadata 180
- System metadata available 180
- Wildcards 184
- Pagination 184
- HTTP syntax 185
- JSON response format 186
- Example queries 187
- 188 Express Query 188
- HTTP Status Codes 191
- Defining exclusions 196
- Managing Antivirus scans 199
- Viewing an active task 201
- Viewing Antivirus statistics 202
- Managing software snapshots 206
- [root@9000n1 .snapshot]# ls 207
- Accessing snapshots using NFS 208
- Accessing snapshots using SMB 208
- Deleting snapshots 209
- Backing up snapshots 212
- 16 Creating block snapshots 213
- Automated block snapshots 214
- Scheme dialog box appears 216
- Automated block snapshots 217 217
- ValueVariable 218
- File system namefsname 218
- 218 Creating block snapshots 218
- and ifs1_snap: 220
- 220 Creating block snapshots 220
- Viewing snapshot information 221
- 224 Creating block snapshots 224
- 17 Using data tiering 225
- 226 Using data tiering 226
- 228 Using data tiering 228
- 230 Using data tiering 230
- Viewing data tiering rules 231
- Running a migration task 232
- Assigning segments to tiers 233
- Defining the primary tier 234
- Creating a tiering policy 234
- Listing tiering rules 234
- Writing tiering rules 236
- Writing tiering rules 237 237
- Rule keywords 238
- Migration rule examples 238
- Ambiguous rules 239
- 18 Using file allocation 240
- 242 Using file allocation 242
- Setting segment preferences 243
- 244 Using file allocation 244
- Listing allocation policies 245
- 246 Using file allocation 246
- Contacting HP 247
- Related information 247
- HP websites 247
- Subscription service 247
- 20 Documentation feedback 248
- Glossary 249
- 250 Glossary 250
- 252 Index 252
- 254 Index 254
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