The DIVAprotect module is an analytical and monitoring option integrated into the Oracle DIVArchive Suite, bringing long-term content protection, management, and security to Oracle DIVArchive systems. DIVAprotect includes reporting through the Journal using various metrics as described in the following sections. The following operational information is included in this chapter:
Operational events are the primary events collected by DIVAprotect. The following three tables identify event fields and the types of events associated with them. There are three tables only due to the amount of entries. Locate the desired field on the top row of the table, and then follow down the column to identify which events are valid for the selected field.
Table 3-1 Event Fields Table One
Event Type | Tape Type | Tape Barcode | Drive Type | Drive Name | Disk Name | Drive Serial Number | Library Serial Number | SD Name | Actor Name | |
---|---|---|---|---|---|---|---|---|---|---|
|
Yes |
Yes |
Yes |
Yes |
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|
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
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(to new) |
Yes |
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Yes |
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Yes |
Yes |
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Yes |
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Yes |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
Footnote 1 The transcoder work directory is not a DIVArchive disk. No DISK READ
or DISK WRITE
events are created when accessing this directory.
The presence of Optional in the following table indicates that it is optional. New Instance IDs are only generated after the final write to the destination media. Instance ID is not available in the following cases:
Temporary instances created in cache disk by an Archive request
SD READ
or SD WRITE
during the transcode phase of an archive when transferring to or from the transcoder work directory
Cache DISK READ
or DISK WRITE
when performing a tape to tape Copy request
Tape positioning before a tape write (Archive request)
End Of Tape
(EOT exception) encountered during an Archive request
Table 3-2 Event Fields Table Two
Object NameFoot 1 | Object CategoryFootref 1 | Object InstanceFootref 1 | Media (group or array) | Request ID | Event End Time | Event Duration | Transfer Size | Transfer Rate | |
---|---|---|---|---|---|---|---|---|---|
|
Yes |
Yes |
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|
Yes |
Yes |
|||||||
|
Yes |
Yes |
Yes |
||||||
|
Yes |
Yes |
|||||||
|
Yes |
Yes |
Optional |
Yes |
Yes |
Yes |
Yes |
||
|
Yes |
Yes |
Optional |
Yes |
Yes |
Yes |
|||
|
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
||
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|||
|
Yes |
Yes |
Optional |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
Yes |
Yes |
Optional |
Yes |
Yes |
Yes |
Yes |
||
|
Yes |
Yes |
Optional |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|||
|
Yes |
Yes |
Optional |
Yes |
Yes |
Yes |
Yes |
Yes |
|
|
Yes |
Yes |
Optional |
Yes |
Yes |
Yes |
|||
|
Yes |
Yes |
Optional |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
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Yes |
Yes |
Optional |
Yes |
Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
||
(to new) |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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|
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Yes |
Yes |
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Yes |
Yes |
Optional |
Yes |
Yes |
Yes |
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Yes |
Yes |
Optional |
Yes |
Yes |
Yes |
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Yes |
Yes |
Optional |
Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
Yes |
Footnote 1 Object information is not provided for Repack requests.
Footnote 2 The transcoder work directory is not a DIVArchive disk. No DISK READ or DISK WRITE events are created when accessing this directory.
Table 3-3 Event Fields Table Three
Transfer Error Rate | Error Code | Error Message | Transcoder or Analyzer Name | Number of Archive Operations | Data Size | |
---|---|---|---|---|---|---|
|
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Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
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Yes |
Yes |
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Yes |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
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Yes |
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Yes |
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Yes |
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Yes |
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Yes |
Yes |
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Yes |
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Yes |
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(to new) |
Yes |
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Yes |
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Yes |
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Yes |
Yes |
Yes |
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Yes |
Footnote 1 The transcoder work directory is not a DIVArchive disk. No DISK READ or DISK WRITE events are created when accessing this directory.
DIVAprotect collects hardware information from the tape drives and direct-attached libraries sent by the Actors. Library information is unavailable if a library server is used instead of direct-attached libraries. The information, called DIVArchive Resource Statistics, is updated in real time in DIVAprotect. The information is populated in the Drive Alert and Library Alert logs, and updates the tape drive's firmware information in the DIVArchive database. These special events are not available for use in Metric Definitions.
The following table lists the data sent by the Actors for each Quick Response Event type:
Table 3-4 Collected DIVArchive Hardware Resource Statistics
Clean AlertFoot 1 | Tension AlertFoot 2 | Drive Alert | Drive Firmware | Library Alert | |
---|---|---|---|---|---|
Time-stamp |
X |
X |
X |
X |
X |
Event ID |
X |
X |
X |
X |
X |
Request ID |
X |
||||
Drive Serial Num |
X |
X |
X |
||
Library Serial Num |
X |
||||
Tape Name (barcode) |
X |
X |
|||
Tape Type |
X |
||||
Alert Log ListFoot 3 |
X |
X |
|||
Drive ListFoot 4 |
X |
Footnote 1 The Actor issues Clean Alerts when a drive indicates it needs cleaning. These alerts are typically trapped by the library, or the library server, and the cleaning process is handled by those components. For this reason, DIVArchive does not include a drive cleaning mechanism.
Footnote 2 The Actor issues a Tension Alert when a drive indicates it requires re-tensioning.
Footnote 3 The Alert Log List is a variable length list of tape drive or library alerts. Each alert includes a parameter, a severity, and a text message.
Footnote 4 The Drive List is a variable length list of drive information objects. Each information object includes the Serial Number, Drive Name, and Firmware Release level. The Firmware Release level is saved in the database.
DIVAprotect maintains a set of statistics about the archive system resources called Quick Response Data (QRD). QRD is not based on events, it is calculated from information available in the DIVArchive database, and updated every hour through an automated database job.
The following is a list of the QRD available, listed by resource:
The QRD collected for these resources is the First Utilization Date.
The QRD collected for arrays is as follows:
Total used space - this is the exact sum of used space across all disks in the array, both online and offline.
Total online object used space
Total externalized (offline) object used space
The QRD collected for disks is as follows:
First Utilization Date
Last Access, Last Read, and Last Write dates
The QRD collected for groups is as follows:
Total used space - this is the exact sum of used space across all disks in the array, both online and offline.
Total online object used space
Total externalized (offline) object used space
The QRD collected for libraries is as follows:
Note:
Currently, a tape is considered offline only when it is ejected. After a tape is ejected it is not considered as part of the library.First Utilization Date
Total number of tapes
Total number of Nearline (online) tapes
Total number of offline tapes
Total number of blank tapes
Total number of non-writable (write protected) tapes
Total data stored in library
Total data stored Nearline (online)
Total data stored offline
Total storage capacity (online and offline total)
Total Nearline (online) capacity
Total offline capacity
Total free space capacity (online and offline total)
Total number of objects archived to the tapes in the associated library
Total number of objects Nearline (online)
Total number of objects offline
The QRD collected for media is as follows:
First utilization Date
Last Utilization Date
Used space - this is the sum of offline and online instance sizes.
The QRD collected for objects is the Last Read Date.
The QRD collected for object instances in the Last Verify Date.
The QRD collected for the system is the First Use Date.
The QRD collected for Source/Destinations is the First utilization Date.
The QRD collected for tapes is as follows:
First Insertion Date - this is the date it first appeared in the system.
First Utilization Date - this is the date it was first mounted.
Drive and Library Alert Logs contain a history of the codes that have been generated by the hardware. The Actors read the codes during normal operation. The information is saved to the database whenever reported by the hardware.
The following table is an extract of the Sony SAIT-1 Tape Drive Specification. Refer to your manufacturer's manual for your particular hardware.
Table 3-5 Sample Sony SAIT-1 Manufacturer Codes
Code | Flag | Type | Client Message |
---|---|---|---|
01h |
Read Warning |
Warning |
The drive is having problems reading data. No data has been lost, but there has been a reduction in the performance of the medium. |
02h |
Write Warning |
Warning |
The drive is having problems writing data. No data has been lost, but there has been a reduction in the capacity of the volume. |
03h |
Hard Error |
Warning |
The operation has stopped because an error has occurred while reading or writing data, which the drive cannot correct. |
04h |
Media |
Critical |
Your data is at risk:
|
This section describes how metrics are collected and calculated.
Metrics are calculated and updated every hour by an automated database job running in the background. Each metric's calculation is based on a selection of Event Types (for example, SD READ, SD WRITE) from which a common event parameter is extracted (for example, Transfer Size
), and processed by a statistical operation (for example, Sum). The metric takes into account events collected over a particular interval that depend on the Metric Type:
Hourly
Daily
Monthly
Yearly
Lifetime
A Metric is calculated based on associated events that occurred within the previous hour. If none of the associated events occurred, the metric is not calculated nor updated. If some associated events occurred, the metric is calculated or updated. All of the Metric Types are based upon these hourly calculations.
For example, if an associated event occurs at 10:00 AM on February 1st, 2017 the following Metrics (if they are defined) will be calculated or updated:
10:00 AM Hourly Metric
2/1/2017 Daily Metric
February 2017 Monthly Metric
2017 Yearly Metric
Lifetime Metric
The following is a list of collection types:
This collection type calculates a metric by adding event parameter values.
This collection type calculates a metric by counting event parameter values.
This collection type calculates a metric using the minimum event parameter value.
This collection type calculates a metric using the maximum event parameter value.
This collection type calculates a metric by averaging the event parameter values.
This collection type calculates a metric by dividing the sum of the event parameter values by a weight factor, in contrast to the standard average calculation being divided by the count of event parameter values. Metrics configured with this collection type must specify a weight factor, otherwise the following error is generated:
ORA-20200 Weight Factor to calculate Weight based average is not mentioned.
The following is a sample Weight Based Average calculation:
DIVARCHIVE_SYSTEM_AVG_READ_WRITE_DAY
Weight Based Average
Transfer Size
Duration
SIZE (SUM of Transfer Size) / TIME (SUM of Transfer Duration) = V (Velocity)
SUM (Velocity * Time) / SUM (Time)
DIVAprotect comes with built-in metrics that do not appear in the Configuration Utility, and cannot be edited. The built-in metrics are available in the Control GUI with the standard ones. Built-in metrics names all start with DIVAPROTECT
. The following are several of the built-in metrics. In each example, the first command is for daily counts, and the second command is for lifetime counts.
The following metrics count how many times DIVAprotect has been executed. They update each time DIVAprotect runs the hourly database job.
DIVAPROTECT_EXECUTION_COUNT_DAY DIVAPROTECT_EXECUTION_COUNT
The following metrics count how many events DIVAprotect has processed while calculating metrics. They are updated each time DIVAprotect processes an event.
DIVAPROTECT_EVENTS_PROCESSED_DAY DIVAPROTECT_EVENTS_PROCESSED
This defines how many metrics DIVAprotect has calculated or updated. These metric values are updated each time a metric is calculated or updated in the DIVArchive system.
DIVAPROTECT_METRIC_PROCESSED_DAY DIVAPROTECT_METRIC_PROCESSED
The following metrics count the total number of DIVAprotect errors that have occurred while calculating or updating a metric. They are updated each time an error occurs.
DIVAPROTECT_INTERNAL_ERROR_DAY DIVAPROTECT_INTERNAL_ERROR_DAY
You can view the DIVAprotect Journal and Metrics through the Control GUI. Click the appropriate icon under the Analytics tab to display either the Journal View or Metrics View.
DIVAprotect metrics are continually gathered and written to a temporary table in the database. Once per hour the metrics are removed from the temporary table and committed to a permanent table.
The Journal View provides a set of filters to narrow down data retrieval, and a list view for the retrieved information. You can filter by Event Definition, Drive Serial Number, Begin Date/Time, End Date/Time, and enter search keywords into the appropriate fields.
You can search for a particular Barcode, Actor Name, Source/Destination, Object Category, Object Instance Number, Error Code (including warnings, errors, and so on) and Error Message. You click Refresh on the top right of the display to apply your filters and perform the search.
To disable a filter, you can enter the wildcard character (an asterisk) for a text field, select the ALL value in a menu list, or deselect the check box to disable date and time filtering.
You can recall a previously used set of filters using the Previous Queries list (located in the lower right corner of the Journal view). The menu list remembers the last 10 used filter sets.
The Journal view uses a color chart to identify the severity of each event:
Blue indicates information.
Orange indicates a warning.
Red indicates an error.
The columns displayed in the Journal View are as follows:
This column displays the severity of the event.
This column displays the ID used to identify the event internally.
This column displays the DIVArchive Request ID associated with the event.
This column displays the event start time.
This column displays the time the event occurred.
This column displays the total duration of the event in seconds.
This column displays the type of event.
This column displays the tape barcode associated with the event.
This column displays the serial number of the drive associated with the event.
This column displays the serial number of the library associated with the event.
This column displays the name of the disk associated with the event.
This column displays the name of the Actor associated with the event.
This column displays the name of the Source/Destination associated with the event.
This column displays the name of the object associated with the event.
This column displays the category of the object associated with the event.
This column displays the instance number of the object associated with the event.
This column displays the total data transfer size, in bytes, for the event.
This column displays the rate of transfer, in bytes, for the event.
This column displays the number of errors per Gigabyte of data transferred. These errors are automatically recovered by the tape drive.
This column displays the internal error code, when applicable, for the event.
This column displays a standardized error message, when applicable, for the event.
You can double-click any entry in the list to display its properties. A context menu is accessible for events specifically related to a DIVArchive request by right-clicking the entry in the Journal view. The context menu enables you to quickly navigate to the corresponding Logged Requests view or Request Properties dialog box.
The Library Alert Logs View lists errors reported by directly-attached, SCSI protocol libraries. This information is vendor specific and varies depending on the library make and model.
A set of filters is available to narrow down searches. You can filter the results by Severity by selecting (display), or deselecting (do not display), the appropriate check box for Information, Warnings, and Critical Errors. You can also filter by Message, Begin Date/Time, End Date/Time, and Alert ID, and enter search keywords into the appropriate fields. You click Refresh on the top right of the display to apply your filters and perform the search.
To disable a filter, you can enter the wildcard character (an asterisk) for a text field, or deselect the check box to disable date and time filtering.
The columns displayed in the Library Alert Logs View are as follows:
This column displays the severity of the alert (Informational, Warning or Error).
This column displays the date and time of the occurrence.
This column displays the alert ID number as reported by the library, and is vendor specific.
This column displays the message field as reported by the library, and is vendor specific.
The Drive Alert Logs View lists errors reported by tape drives. This information is vendor specific and varies depending on the make and model. A set of filters is available to narrow down searches. For example, instance errors are viewable related to a particular tape.
A set of filters is available to narrow down searches. You can filter the results by Severity by selecting (display), or deselecting (do not display), the appropriate check box for Information, Warnings, and Critical Errors. You can also filter by Tape Barcode, Request ID, Begin Date/Time, End Date/Time, and Alert ID, Drive Serial Number, and Message, and then enter search keywords into the appropriate fields. You click Refresh on the top right of the display to apply your filters and perform the search.
To disable a filter, you can enter the wildcard character (an asterisk) for a text field, or deselect the check box to disable date and time filtering.
The columns displayed in the Drive Alert Logs View are as follows:
This column displays the severity of the alert (Informational, Warning or Error).
This column displays the date and time of the occurrence.
This column displays the drive that reported the alert.
This column displays the barcode of the tape that was mounted when the alert was reported.
This column displays the alert ID number as reported by the library, and is vendor specific.
This column displays the message field as reported by the library, and is vendor specific.
This column displays the ID number of the request related to the alert (if applicable).
You can examine DIVAprotect Metrics in the Control GUI Metrics View. The Metrics View provides a set of filters to narrow down searches. You can filter information by Metric Definition, Interval, Aggregation Item, Resource Name, Value, Count, Start Date, and Last Update Date. The Metric Definition menu list contains the metrics defined in the Configuration Utility, and the built-in metrics (that start with DIVAPROTECT*
). You click Refresh on the top right of the display to apply your filters and perform the search.
Hovering over a metric produces a dialog box that includes the metric Name, Description, Collecting (the event parameter selected metric is collecting), Resource, Type, and Included Events.
Double-clicking an entry in the list will display its properties dialog box.
Right-clicking an entry displays a context menu enabling you to reset the current value or hit count of the metric to zero. You must be logged in the Control GUI as Administrator for these options to be enabled.
The columns displayed in the Metrics View are as follows:
This column displays the internal ID used to identify the metric.
This column displays the date and time the collection of the metric started.
This column displays the last date and time the metric collection was updated.
This column displays the name of the Metric Definition.
This column displays the metric collection interval.
This column displays the type of resource involved in the events the metric is based on.
This column displays the event parameter the metric is collecting.
This column displays the name of the resource involved in the events the metric is based on.
This column displays the current metric value.
This column displays the number of times the metric was calculated or updated.
System QRD (Quick Response Data) includes the First Utilization Date and is displayed in the DIVArchive Information dialog box. You click DIVArchive Information under the Control GUI Analytics tab to access this information.
You view the Source and Destination QRD (Quick Response Data) information in the Control GUI Source/Destination View. The information includes the First Utilization Date. You double-click an entry in the list to display additional information.
You view the Media QRD (Quick Response Data) in the Control GUI Media View. The metrics displayed in the Media View are as follows:
This displays the date and time the media was first mounted.
This column displays the last date and time the media was used.
This column displays the sum of the used space on all online and offline media.
You view the Library QRD (Quick Response Data) and Serial Numbers in the Control GUI Library View. Double-clicking an entry in the list displays additional information in a dialog box.
The metrics displayed in the Library View are as follows:
Note:
All offline values mentioned are not supported in this DIVArchive release. Currently, a tape is considered offline only when it is ejected. After a tape is ejected it is not considered to be part of the Library.This column displays the type of library.
This column displays the date and time the library was first used.
This column displays the total number of tapes in the library.
This column displays the total amount of data stored in the library (in megabytes).
This column displays the sum of the total capacity of all tapes in the library (in gigabytes).
This column displays the sum of the total amount of free space on all tapes in the library (in gigabytes).
This column displays the sum of the total number of objects stored on all tapes in the library.
This column displays the sum of the total number of objects stored on all online tapes in the library.
This column displays the sum of the total number of objects stored on all offline tapes in the library.
You view the Tape Drive QRD (Quick Response Data) in the Control GUI Drives View. This information includes drive Serial Numbers and Firmware level. The Serial Number is displayed in the main view.
Right-click a drive to display additional information in a dialog box. The Properties tab in the dialog box includes the Firmware Level and other basic information about the drive. The Usage tab in the dialog box includes the following columns:
This column displays the date and time the drive was initially installed.
This column displays the date and time the drive was first mounted.
This column displays the date and time of the last drive upgrade.
This column displays the date and time of the last time the drive was cleaned.
You view the Tape QRD (Quick Response Data) in the Control GUI Tapes View under the Home tab. You double-click your selected tape to open the Tape Properties dialog box to view additional information.
The QRD fields (specifically) displayed in the Tape Properties dialog box are as follows:
This field displays the date and time the tape was first inserted into the library.
this field displays the date and time the tape was first mounted.
You view the Disk QRD (Quick Response Data) in the Control GUI Disks View under the Home tab.
The QRD columns (specifically) displayed in the Disks View are as follows:
This column displays the date and time the disk was first used.
This column displays the last date and time the disk was accessed.
This column displays the last time a read operation was performed on the disk.
This column displays the last time a write operation was performed on the disk.
You view the Last Read Date (and time) for an object in the Control GUI Archived Objects View.
You can view the Last Verify Date for an object in the Instances panel under the Object Properties View. You double-click the object you want to view in the Archived Objects list to open the Object Properties dialog box.
You view extended information for your Actors in the Usage, Transcoders and Analyzer tabs of the Actor Properties dialog box in the Control GUI. You display the Actor Properties dialog box by right-clicking an Actor in the Actors View, under the Home tab, and selecting Properties from the context menu.
Note:
Linux-based Actors only support Telestream Vantage transcoding operations.See Appendix A for Oracle DIVArchive options and licensing information.
The Usage tab in the Actor Properties dialog box contains the First Utilization Date field. This field displays the date and time when the selected Actor was first used.
The Transcoders tab in the Actor Properties dialog box contains the following columns:
This column displays the transcoder name.
This column displays the transcoder release level.
This column displays the transcoder type.
This column displays the date and time the transcoder was first used with the selected Actor.
The Analyzer tab in the Actor Properties dialog box contains the following fields:
This field displays the analyzer release level.
This field displays the date and time the analyzer was first used.
You view Checksum Error Events in the DIVAprotect Journal under the Control GUI Analytics tab. The following table identifies the Checksum Event Types:
Table 3-6 Checksum Event Types
Event ID | Event Name | Event Description | Severity |
---|---|---|---|
180 |
|
A checksum verification produced an error reading for the tape. |
2 |
181 |
|
A checksum verification produced an error reading for the disk. |
2 |
182 |
|
A checksum verification produced an error reading for the Source/Destination. |
2 |