[gpfsug-discuss] ILM and Backup Question

Stephan Graf st.graf at fz-juelich.de
Tue Nov 10 07:53:19 GMT 2015


Hi Wayne.

Just to come back to the mmbackup performance. Here the way we call it
and the performance results:
MTHREADS=1
QOPT=""  # we check the lust run and set this to '-q' if required'

/usr/lpp/mmfs/bin/mmbackup /$FS -S $SNAPFILE -g /work/root/mmbackup -a 4
$QOPT -m $MTHREADS -B 1000 -N justt
sms04c1 --noquote --tsm-servers home -v

--------------------------------------------------------
mmbackup: Backup of /homeb begins at Mon Nov 9 00:03:30 MEZ 2015.
--------------------------------------------------------
...
Mon Nov  9 00:03:35 2015 mmbackup:Scanning file system homeb
Mon Nov  9 03:07:17 2015 mmbackup:File system scan of homeb is complete.
Mon Nov  9 03:07:17 2015 mmbackup:Calculating backup and expire lists
for server home
Mon Nov  9 03:07:17 2015 mmbackup:Determining file system changes for
homeb [home].
Mon Nov  9 03:44:33 2015 mmbackup:changed=126305, expired=10086,
unsupported=0 for server [home]
Mon Nov  9 03:44:33 2015 mmbackup:Finished calculating lists [126305
changed, 10086 expired] for server home.
Mon Nov  9 03:44:33 2015 mmbackup:Sending files to the TSM server
[126305 changed, 10086 expired].
Mon Nov  9 03:44:33 2015 mmbackup:Performing expire operations
Mon Nov  9 03:45:32 2015 mmbackup:Completed policy expiry run with 0
policy errors, 0 files failed, 0 severe errors, returning r
c=0.
Mon Nov  9 03:45:32 2015 mmbackup:Policy for expiry returned 0 Highest
TSM error 0
Mon Nov  9 03:45:32 2015 mmbackup:Performing backup operations
Mon Nov  9 04:54:29 2015 mmbackup:Completed policy backup run with 0
policy errors, 0 files failed, 0 severe errors, returning r
c=0.
Mon Nov  9 04:54:29 2015 mmbackup:Policy for backup returned 0 Highest
TSM error 0
Total number of objects inspected:      137562
Total number of objects backed up:      127476
Total number of objects updated:        0
Total number of objects rebound:        0
Total number of objects deleted:        0
Total number of objects expired:        10086
Total number of objects failed:         0
Total number of bytes transferred:      427 GB
Total number of objects encrypted:      0
Total number of bytes inspected:        459986708656
Total number of bytes transferred:      459989351070
Mon Nov  9 04:54:29 2015 mmbackup:analyzing: results from home.
Mon Nov  9 04:54:29 2015 mmbackup:Analyzing audit log file
/homeb/mmbackup.audit.homeb.home
Mon Nov  9 05:02:46 2015 mmbackup:updating /homeb/.mmbackupShadow.1.home
with /homeb/.mmbackupCfg/tmpfile2.mmbackup.homeb
Mon Nov  9 05:02:46 2015 mmbackup:Copying updated shadow file to the TSM
server
Mon Nov  9 05:03:51 2015 mmbackup:Done working with files for TSM
Server: home.
Mon Nov  9 05:03:51 2015 mmbackup:Completed backup and expire jobs.
Mon Nov  9 05:03:51 2015 mmbackup:TSM server home
had 0 failures or excluded paths and returned 0.
Its shadow database has been updated. Shadow DB state:updated
Mon Nov  9 05:03:51 2015 mmbackup:Completed successfully.  exit 0
----------------------------------------------------------
mmbackup: Backup of /homeb completed successfully at Mon Nov 9 05:03:51
MEZ 2015.
----------------------------------------------------------


Stephan

On 10/28/15 14:36, Wayne Sawdon wrote:
>
> You have to use both options even if -N is only the local node. Sorry,
>
> -Wayne
>
>
>
> Inactive hide details for Stephan Graf ---10/28/2015 01:06:36 AM---Hi
> Wayne! We are using -g, and we only want to run it on oneStephan Graf
> ---10/28/2015 01:06:36 AM---Hi Wayne! We are using -g, and we only
> want to run it on one node, so we don't use the -N option.
>
> From: Stephan Graf <st.graf at fz-juelich.de>
> To: <gpfsug-discuss at spectrumscale.org>
> Date: 10/28/2015 01:06 AM
> Subject: Re: [gpfsug-discuss] ILM and Backup Question
> Sent by: gpfsug-discuss-bounces at spectrumscale.org
>
> ------------------------------------------------------------------------
>
>
>
> Hi Wayne!
>
> We are using -g, and we only want to run it on one node, so we don't
> use the -N option.
>
> Stephan
>
> On 10/27/15 16:25, Wayne Sawdon wrote:
>
>
>         > From: Stephan Graf _<st.graf at fz-juelich.de>_
>         <mailto:st.graf at fz-juelich.de>
>
>         > We are running the mmbackup on an AIX system
>         > oslevel -s
>         > 6100-07-10-1415
>         > Current GPFS build: "4.1.0.8 ".
>         >
>         > So we only use one node for the policy run.
>         >
>
>         Even on one node you should see a speedup using -g and -N.
>
>         -Wayne
>
>
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