Here are some simple methods to help you resolve error 87 in the SQL Server backup operating system.
We are using SQL managed backup for local SQL servers and are very impressed right now (in terms of speed, manageability and cost). A quick investigation to deploy the solution, even if the SQL error logs record read errors from backups:
Nothing that was processed indicated a problem – the backup was still in progress, our backup chain was not broken (restore was successful), but this error was recorded from the beginning.
To understand where the error came from and how to apply it, you need to better understand exactly how managed backup works.
Where Does The Managed Backup Know Which Backups Are Available?
For example, the backup in question was an availability group – the replica from which the primary backup is taken changes frequently, but the persistent backup (via msdb) always does There is a finite list of available backups. the entire database.
This doesn’t seem to be documented anywhere, but nevertheless we were able (through a combination of reasoning and monitoring) to create the operations performed here to maintain a basic list of “what backups are for” such a database. data “:
Managed backup retrieves a list of personal data records in the target container.
Guided Backup only runs a specific restore header for each file to generate metadata for that file.
Managed backup uses certain information to determine what can be done (delete old backups, create an extended full backup, create a transaction log backup)
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After downloading the file that caused the error and trying to restore it, we found that the backupthe copy is damaged. The file size indicated that it was probably your full partial backup (kilobytes, not megabytes). We were able to create our own “corrupted” saves by removing the on-the-fly escalation process that created partial (and corrupted) blob storage.
Although managed backups delete backups that do not meet the overall retention period, in the case of a particular corrupted backup, it does not know which database it belongs to or where it belongs. Therefore, the file is not deleted and remains in the BLOB storage container indefinitely. Key
The element we figured out is that there is no longer a central local list with a link to “backups made by me” and that at the same time the instance / replica is querying the one stored in Azure to determine which files exists.
This behavior can actually be a pretty cool feature. Besides – based on information in msdb for previous backup copi (which might be remote, malicious, etc.) Managed Backup actually queries the support target to determine what is in there.
How Can I Fix This Permanently?
Why am I getting error 1810 in Azure Blob backup?
If the backup is really large, some queries between SQL Server and Azure Blob Space to store the service might time out and our own backup process might fail. Additionally, customers receive an 1810 error message that resembles the following in the SQL Server error log file:
The fix is to remove the corrupted backup file from Azure Computer Storage. We currently do this manually (as this is very rare), but it can be automated to handle the message here in the SQL error log. In the near future, something like automated storage lifecycle management may allow us to set a policy that will automatically delete blobs that have passed the entire retention period, meaning this error will be permanently fixed automatically after the retention period has expired.
The root cause of all corrupted backups for us was some (planned!) failover. It’s also possible that the connect message will kill a working backup and possibly some old fashioned one Good memory corruption (which will really matter to us, especially if every backup gets corrupted).
Aside from the rather meager documentation (if we knew how managed backups work, we’d figure it out a lot faster), managed backups are likely to be something that really impressed us using it. – so if you achieve this scenario, now you know how to fix it.
What does error 87 mean in SQL?
Work organization error 87 (invalid parameter). The parameter invalid error is again the method the system uses to say that an ad is not a good dilemma. Error: 3266, Severity: 16, State: 3. The backup data on the “K: SQLBackups AuditDB_backup_2017_03_04_000038_1441415.bak” side is formatted too aggressively.
Many thanks to my colleague Jose for getting to the bottom of this question
BackupIoRequest :: ReportIoError: article error on devicehttps: // allthebackups backup.blob.core.windows.net/ServerOne/LongFileName.log.Incorrect OS selection 87 (The parameter is false.).
