Re: [ADSM-L] TSM 5.6 reorg

The estimate recoverable space is 40GB! 

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of 
Loon, EJ van - SPLXM
Sent: 04 April 2013 03:30 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: [ADSM-L] TSM 5.6 reorg

Hi Jerome!
I doubt it will be possible in 10 hours. Anyway, 8% seems kind of low to me, 
not much fragmentation. What are you hoping to gain from the unload/load?
Kind regards,
Eric van Loon
AF/KLM Storage Engineering


-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of 
Swartz, Jerome
Sent: donderdag 4 april 2013 15:21
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: TSM 5.6 reorg

Thanks Eric,

Fragmentation is at 8.02%. No spare storage available to will have to recover 
to tape.

Is this something that could be achieved in 8-10 hours time?

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of 
Loon, EJ van - SPLXM
Sent: 04 April 2013 03:12 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: [ADSM-L] TSM 5.6 reorg

Hi Jerome!
The performance of the unload/load process is hardly predictable.
Performance varies enormously during the unload process and seems to be related 
to the amount of fragmentation. You can get an idea about your fragmentation by 
running the following SQL query:
      SELECT CAST((100 - (CAST(MAX_REDUCTION_MB AS FLOAT) * 256 ) / -
      (CAST(USABLE_PAGES AS FLOAT) - CAST(USED_PAGES AS FLOAT) ) * 100) AS - 
      DECIMAL(4,2)) AS PERCENT_FRAG FROM DB The read performance of the 
database is also crucial to the unload performance, if possible place your 
database on (multiple) SSD disks.
Kind regards,
Eric van Loon
AF/KLM Storage Engineering


-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of 
Swartz, Jerome
Sent: donderdag 4 april 2013 13:33
To: ADSM-L AT VM.MARIST DOT EDU
Subject: TSM 5.6 reorg

Hi All,

I am about to reorg my 200GB TSM DB this weekend. Anyone know approximately how 
long it will take to complete?

Thanks

Jerome


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