Hi Remco, Could it be that your SQL Server admins are compressing the data which is send to the TSM server? If I'm correct you can turn on compression on the SQL server itself as well as on the TDP/API client. Kind regards, Eric van Loon Air France/KLM Storage Engineering
-----Original Message----- From: ADSM: Dist Stor Manager [mailto:ADSM-L@VM.MARIST.EDU] On Behalf Of Remco Post Sent: woensdag 21 februari 2018 16:23 To: ADSM-L@VM.MARIST.EDU Subject: Re: empty containers? we’re getting about 0% dedup savings (3 * full, plus diffful, plus log backups) and about maybe 20% compression savings. > On 21 Feb 2018, at 16:03, PAC Brion Arnaud <arnaud.br...@panalpina.com> wrote: > > Hi Remco, > > No direct answer to your question, but your statement " dedup on SQL is > non-existant" is kind of astonishing me ... > > Here an extract of the output for "q stg DIR_SQL f=d" on my server (you > guessed it, this stgpool is dedicated to SQL backups ...) : > > Deduplication Savings: 34,513 G (60.21%) > Compression Savings: 17,517 G (76.81%) > Total Space Saved: 52,030 G (90.77%) > > Altogether 90,7 % data reduction ! > > I would be curious to hear what our TSM fellows in this list are achieving ... > > Cheers. > > Arnaud > > > -----Original Message----- > From: ADSM: Dist Stor Manager [mailto:ADSM-L@VM.MARIST.EDU] On Behalf Of > Remco Post > Sent: Wednesday, February 21, 2018 3:06 PM > To: ADSM-L@VM.MARIST.EDU > Subject: empty containers? > > Hi All, > > today I ran into something new: an empty directory container. No, not an > empty directory, and empty container. We’re moving SQL backups from > directories to traditional tape, dedup on SQL is non-existant, so tape is > cheaper, and after the expiration period the container pool should be empty. > Well this being the real world and all, of course I have a few containers > left. Move container bla bla to reduce disk usage. All nice, exceprt for some > containers that are now empty, thus can’t be moved… How do I get rid of > those? TSM server level 8.1.1.100 > > -- > > Met vriendelijke groeten/Kind Regards, > > Remco Post > r.p...@plcs.nl > +31 6 248 21 622 -- Met vriendelijke groeten/Kind Regards, Remco Post r.p...@plcs.nl +31 6 248 21 622 ******************************************************** 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 ********************************************************
