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six demon bag

Wind, fire, all that kind of thing!

2015-12-30

Save and Restore a DataTable

If you have a DataTable object in PowerShell and you want to persist that object as a file (and restore it back to a DataTable object sometime later) the naïve approach would be to export the (tabular) data to a (tabular) CSV:

$dt | Export-Csv -Path 'C:\path\to\table.csv' -NoType

However, the problem with this approach is that you lose the type information for the columns of the datatable (the only type information saved by the Export-Csv cmdlet is about the type of the objects representing the rows). Also, there's no simple way to restore the CSV back to a datatable.

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Posted 17:01 [permalink]

2015-03-12

Repairing a Suspect msdb Database

Sometimes a situation arises where an SQL Server instance comes back up with a database tagged as "suspect". Apparently there is a number of possible causes for this, like transaction log corruption, insufficient memory or disk space, or unexpected shutdowns due to hardware or power failure. In our case the reason was probably a hardware failure, since the database resides on an iSCSI volume, and we were making changes to our iSCSI network. And to make things a little bit more interesting, our msdb database just had to be among the affected databases.

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Posted 19:07 [permalink]

2013-03-12

TSM BA Client 6.4 on Debian

Although IBM doesn't officially support its TSM client on Linux distributions other than SLES and RHEL the client works quite nicely on Debian. With version 6.4 you need at least the following 4 packages on AMD64 systems:

  • TIVsm-BA
  • TIVsm-API64
  • gskcrypt64
  • gskssl64

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Posted 00:46 [permalink]