Hi Efim! Since we don't checkout tapes it won't be an issue for us. Apart from that, it still doesn't explain why the total of last_use='Data' and last_use!='Data' is not equal to the output from the query with no last_used specified. As to your query: I found this one online too, but it's not always reliable, especially when you create backupsets. They are not in a q volume list but they are not scratch. I think this query is usefull when you somehow include the volume history which does contain the backupset volumes. Kind regards, Eric van Loon AF/KLM Storage Engineering
-----Original Message----- From: ADSM: Dist Stor Manager [mailto:ADSM-L@VM.MARIST.EDU] On Behalf Of Efim Sent: vrijdag 21 november 2014 13:41 To: ADSM-L@VM.MARIST.EDU Subject: Re: Weird SQL output Hi, Select with last_use = ‘Data’ is not correct. If you checkout and when checkin tapes the parameter last_use can be lost. If you want to check private tapes without the data, try to use select like this: select volume_name from libvolumes where status='Private' and last_use is NULL and volume_name not in (select volume_name from volumes) Efim 2014-11-21 12:16 GMT+03:00 Loon, EJ van (ITOPT3) - KLM <eric-van.l...@klm.com>: > Hi guys! > I have some weird output from one of my SQL statements. Here it's is: > > select count(*) from libvolumes where status='Private' > Unnamed[1] > ------------ > 3698 > > Ok, so 3698 private volumes on this server. Now, how many contain data: > > select count(*) from libvolumes where status='Private' and last_use = 'Data' > Unnamed[1] > ------------ > 1011 > > Right, I know a lot of tapes do not have a value in the Last Use column (my > guess it is that these are tapes created by SAN clients), so how many are > there: > > select count(*) from libvolumes where status='Private' and last_use != 'Data' > Unnamed[1] > ------------ > 0 > > Huh? There should be 3698-1011=2687! Last_use is empty then? > > select count(*) from libvolumes where status='Private' and last_use=NULL > Unnamed[1] > ------------ > 0 > > I'm lost here... I'm I doing something wrong? The total of last_use='Data' > and last_use!='Data' should be the same as the output from the query with no > last_used specified, right? > Thanks for any help in advance! > Kind regards, > Eric van Loon > > ******************************************************** > For information, services and offers, please visit our web site: > http://www.klm.com. This e-mail and any attachment may contain confidential > and privileged material intended for the addressee only. If you are not the > addressee, you are notified that no part of the e-mail or any attachment may > be disclosed, copied or distributed, and that any other action related to > this e-mail or attachment is strictly prohibited, and may be unlawful. If you > have received this e-mail by error, please notify the sender immediately by > return e-mail, and delete this message. > > Koninklijke Luchtvaart Maatschappij NV (KLM), its subsidiaries and/or its > employees shall not be liable for the incorrect or incomplete transmission of > this e-mail or any attachments, nor responsible for any delay in receipt. > Koninklijke Luchtvaart Maatschappij N.V. (also known as KLM Royal > Dutch Airlines) is registered in Amstelveen, The Netherlands, with > registered number 33014286 > ******************************************************** -- Efim ******************************************************** For information, services and offers, please visit our web site: http://www.klm.com. This e-mail and any attachment may contain confidential and privileged material intended for the addressee only. If you are not the addressee, you are notified that no part of the e-mail or any attachment may be disclosed, copied or distributed, and that any other action related to this e-mail or attachment is strictly prohibited, and may be unlawful. If you have received this e-mail by error, please notify the sender immediately by return e-mail, and delete this message. Koninklijke Luchtvaart Maatschappij NV (KLM), its subsidiaries and/or its employees shall not be liable for the incorrect or incomplete transmission of this e-mail or any attachments, nor responsible for any delay in receipt. Koninklijke Luchtvaart Maatschappij N.V. (also known as KLM Royal Dutch Airlines) is registered in Amstelveen, The Netherlands, with registered number 33014286 ********************************************************
