Re: [ADSM-L] TSM RFE regarding Litigation Hold

2013-05-07 17:51:41
Subject: Re: [ADSM-L] TSM RFE regarding Litigation Hold
From: Skylar Thompson <skylar2 AT U.WASHINGTON DOT EDU>
Date: Tue, 7 May 2013 14:45:58 -0700
Unfortunately we've had expiration holds for tens of terabytes of data,
so we haven't been able to use this approach.

-- Skylar Thompson (skylar2 AT u.washington DOT edu)
-- Genome Sciences Department, System Administrator
-- Foege Building S046, (206)-685-7354
-- University of Washington School of Medicine

On 05/07/13 14:39, Richard Rhodes wrote:
> Our approach has been to export/import the node to another TSM instance
> under a different node name with a suffix or prefix that indicated the
> hold.  THe mgt class is set to no-expire.    We stop expiration until this
> copy is made.  This approach has lets the node be processed as usual, and
> the copy can sit for as long as needed.
> Rick
> From:   "Vandeventer, Harold [BS]" <Harold.Vandeventer AT KS DOT GOV>
> Date:   05/07/2013 03:36 PM
> Subject:        Re: TSM RFE regarding Litigation Hold
> Sent by:        "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
> Great ideas Paul.... I'm preparing to build the alternate server without
> expiration approach as soon as I can scare up some resources.
> I'll look at the alternate Domain approach also.
> -----Original Message-----
> From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf 
> Of
> Paul Zarnowski
> Sent: Tuesday, May 07, 2013 12:54 PM
> Subject: Re: [ADSM-L] TSM RFE regarding Litigation Hold
> We deal with a variety of types of litigation hold here, as well.  What
> you can do now, easily, is to setup a parallel policy domain (i.e.,
> LITHOLD) that has all the same management classes, but different retention
> policy (i.e., retain forever).  Then, to avoid expiration you just have to
> do this:
> This works if you have all the same management classes defined in LITHOLD
> that you had defined in the original domain.  You can move the node back
> and forth between domains as needed.  If LITHOLD is missing a management
> class, then retention would be controlled by the "grace period"
> definitions of the domain - something you'll probably want to avoid.
> No changes needed on the client side since you're not changing management
> class names, just their attributes.
> If you have associated a schedule with the node, then you'll need to have
> copies of the schedules in LITHOLD and re-associate the node with the
> schedule in the LITHOLD domain (which can be defined the same).
> We also deal with other types of litigation holds that require is to take
> a snapshot of the data.  For this, we simply export (a copy of) the node
> to another TSM server instance where expiration does not run or has no
> effect.
> ..Paul
> At 05:05 PM 5/3/2013, Vandeventer, Harold [BS] wrote:
>> To all...
>> I created an RFE to affect File Spaces and Expiration.  The feature would
> cause expiration processing to be skipped for a file space that has been
> selected.
>> It's RFE ID 33395 if you care to review and vote.
>> Briefly, the idea is to immediately respond to a situation in which we
> cannot allow Expiration Processing to delete information that would
> otherwise be deleted.  This would be in response to a "Litigation Hold"
> demand from a legal issue at hand.  I've had three LitHold events in the
> past 24 months; they're not much fun and I'm not in the court room, just
> the TSM Server Admin.
>> Allowing a "LitigationHold=Yes" would avoid expiration on the File Space.
>> When the court case is lifted, simply revert to ""LitigationHold=No". The
> next Expiration process would then begin the delete process as is normal.
>> The feature would avoid the complexity of assigning a "no expire"
> management class to the node and trying to later revert to a more typical
> class.
>> Please take a look at the RFE, and cast a vote if you feel it's a
> valuable feature.
>> Thanks.
>> ------------------------------------------------------------
>> Harold Vandeventer
>> Systems Programmer
>> State of Kansas - Office of Information Technology Services STE 751-S
>> 910 SW Jackson
>> (785) 296-0631
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> --
> Paul Zarnowski                            Ph: 607-255-4757
> Manager of Storage Services               Fx: 607-255-8521
> IT at Cornell / Infrastructure            Em: psz1 AT cornell DOT edu
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