I think if you dedup from the beginning it should ditch all the old metadata and rebuild the fingerprint database, hopefully you won't run into the bug again.
sis start -s /vol/vm_volume
From: toasters-bounces@teaparty.net [mailto:toasters-bounces@teaparty.net] On Behalf Of Fletcher Cocquyt Sent: Wednesday, April 02, 2014 2:01 PM To: Tim Stiller Cc: toasters@teaparty.net Lists Subject: Re: Determining what's contributing to fast aggregate growth
The aggregate growth has stopped since I stopped sis on the vm65net volume. Thanks Tim, and all who replied - this bug was going to fill up our aggregate with 100's of VMs running otherwise.
Now I get to read up more on it and try to reclaim the space Strange this would happen after being stable for so long running de-dup without issue
thanks again, Fletcher
On Apr 2, 2014, at 9:36 AM, Fletcher Cocquyt <fcocquyt@stanford.edumailto:fcocquyt@stanford.edu> wrote:
Yes sis is active
this may be it
na02> sis status -l
Path: /vol/vm65net State: Enabled Compression: Disabled Inline Compression: Disabled Status: Active Progress: 0 KB (0%) Done Type: Regular Schedule: tue-thu@23 Minimum Blocks Shared: 1 Blocks Skipped Sharing: 0 Last Operation State: Success Last Successful Operation Begin: Thu Mar 27 23:00:00 PDT 2014 Last Successful Operation End: Fri Mar 28 07:01:44 PDT 2014 Last Operation Begin: Thu Mar 27 23:00:00 PDT 2014 Last Operation End: Fri Mar 28 07:01:44 PDT 2014 Last Operation Size: 354 GB Last Operation Error: - Change Log Usage: 2% Logical Data: 8220 GB/69 TB (11%) Queued Job: - Stale Fingerprints: 1%
na02> sis stop /vol/vm65net The operation on "/vol/vm65net" is being stopped. irt-na02> Wed Apr 2 09:35:45 PDT [irt-na02:sis.op.stopped:error]: SIS operation for /vol/vm65net has stopped
Stopped - will see if the stops the growth
thanks!
On Apr 2, 2014, at 9:32 AM, Tim Stiller <tim.stiller@gmail.commailto:tim.stiller@gmail.com> wrote:
Hi Fletcher,
SIS running?
BUG 657692: Stale metadata not automatically removed during deduplication operations on volume http://support.netapp.com/NOW/cgi-bin/bol?Type=Detail&Display=657692
https://forums.netapp.com/thread/42487 regards, Tim
2014-04-02 18:24 GMT+02:00 Fletcher Cocquyt <fcocquyt@stanford.edumailto:fcocquyt@stanford.edu>: Hi all,
In the last 36 hours or so we have a 19Tb aggregate that is growing above 18Tb used. Usually the aggregate used level only grows if we grow its volumes. This is different - I was forced to delete snapshots and shrink volumes to get it back under 90%. And in the last 3 hours its back above 91% - used level is climbing 5-10g/minute
I so far can not see where the growth is coming from, Aggr snapshot is OFF
Ontap 8.1.2
na02> aggr status Aggr State Status Options aggr0 online raid_dp, aggr root, nosnap=on, raidsize=19 64-bit
thanks for any tips!
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