I re-enabled our previous legato server, version 7.1.3 and ran the same
test apart from the fact that the data was going directly to a ndmp tape
device rather than across the network to a non-ndmp disk device.
It took the same amount of time! Looks as though our 4gb of data with
120,000 files always took over 20 minutes of processing before it
started writing data. We never noticed as we have lots of other savesets
specified under the client.
I also noticed that we had the same messageon the tape device - writing
128kb - this message appeared immediately and then did not change until
the data started writing twenty minutes later.
-----Original Message-----
From: N.J.Tustain [mailto:N.J.Tustain AT OPEN.AC DOT UK]
Sent: 26 October 2005 09:11
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Subject: Re: [Networker] NDMP 7.2
One point I didn't mention is our smallest NDMP client (10GB) backups up
successfully. I think this proves it isn't a configuration issue.
Saveset: /vol/serv1vol_dst/.snapshot/serv1.monday
Backup Command: nsrndmp_save -T dump
App Info: NSR_NDMP_TMP_DIR=E:\nsr\tmp HIST=y UPDATE=y
-----Original Message-----
From: Legato NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU]
On Behalf Of Matthew Huff
Sent: 25 October 2005 17:14
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Subject: Re: [Networker] NDMP 7.2
What does your NetApp client configuration look like?
What does your "backup command:" set to?
What is your "Application Information:" set to?
What is your "Save set:" set to?
----
Matthew Huff | One Manhattanville Rd
Dir of Operations | Purchase, NY 10577
OTA LLC | Phone: 914-460-4039
www.otaotr.com | Fax: 914-460-4139
> -----Original Message-----
> From: Legato NetWorker discussion
> [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On Behalf Of Kilpatrick, Mark
> Sent: Tuesday, October 25, 2005 12:01 PM
> To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
> Subject: Re: [Networker] NDMP 7.2
>
> The interesting thing here is that your backups ran correctly
> before the upgrade. I am going to run a test on our old
> system to compare the difference in time (networker 7.1.3).
>
> My backup just spent 30 minutes appearing to do nothing. Then
> it started to write to disk. If my 120,000 files took 30 mins
> then your ten million files could take approx 20 hours.
>
> Can you try a smaller volume specified in the saveset? I will
> let you know how my test with 7.1.3 goes.
>
> -----Original Message-----
> From: N.J.Tustain [mailto:N.J.Tustain AT OPEN.AC DOT UK]
> Sent: 25 October 2005 14:17
> To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
> Subject: Re: [Networker] NDMP 7.2
>
> Stan/Mark,
>
> Thanks for the responses.
>
> We are running Networker nw_7_2_LGTpa69733.Build.6 Eval,
> which at the time of installation I believe was the latest
> version plus a fix for a portmapper vulnerability. Since
> we've added subsequent patches:
> 75442,72402,75831.
>
> We have 3 NDMP clients the largest being 110GB, but with
> 10million files!
>
> Our Filer is a NetApp F810, running NDMP version 3, which is
> still apparently supported.
>
> This all worked fine until the Networker upgrade. Apparently
> 7.2 now deals with NDMP backups in a modified way utilising
> disk as opposed to memory, to increase backup performance!
> Our ...\nsr\tmp directory now requires over 4GB of free space
> and also apparently only supports up to
> 15 levels (not sure if that's a new feature)
>
> I'm fairly sure the nothing is happening, twice I've set the
> backup running...checking late at night (were the data component was
> completing) in the morning the group is still active, but
> nothing is happening....so its been left for around 8 hours.
>
> I noticed that when a backup is set running, before a backup
> rate is indicated against a drive it shows 192KB, that is
> still the case.
>
> In an attempt to secure to tape I've started using the Filers' 'dump'
> command, although I haven't been able to perform a test restore.
>
> Thanks
> Nick
>
>
> -----Original Message-----
> From: Stan Horwitz [mailto:stan AT temple DOT edu]
> Sent: 25 October 2005 12:51
> To: Legato NetWorker discussion; N.J.Tustain
> Subject: Re: [Networker] NDMP 7.2
>
>
>
> On Oct 25, 2005, at 3:36 AM, N.J.Tustain wrote:
>
> > Hello,
> >
> > Since upgrading to 7.2 we've had trouble backing up our
> NDMP clients.
> > Since the upgrade, we've patched Networker
> (75442,72402,75831), which
> > changed the behaviour. The present issue appears to be, the
> local data
>
> > part of the backup writes to tape, but the index isn't
> written back to
>
> > the NW server. The group sits active with no activity, although
> > nsrndmp_save and nsrndmp_2fh processes are still running.
> >
> > Has anyone else had similar problems and found a workaround?
>
> Are you running NetWorker 7.2.1? What kind of NAS are you working
> with? I am running NetWorker 7.2.1 and NDMP backups work fine, as do
> recovers. I did have a problem with a test I did of backing up NDMP
> data to non-NDMP tape devices where the backup succeeded, but the
> recover failed. This is with using a Mirapoint message store as the
> NDMP client.
>
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