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Windows Server 2008 R2 Thread, Anyone else having issues with Data Protection Manager 2010 on Server 2008 R2 SP1? in Technical; Ever since upgrading my 2008 R2 servers to SP1, my DPM 2010 server (on Hyper-V) has been decidedly flaky. Since ...
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    AngryTechnician's Avatar
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    Anyone else having issues with Data Protection Manager 2010 on Server 2008 R2 SP1?

    Ever since upgrading my 2008 R2 servers to SP1, my DPM 2010 server (on Hyper-V) has been decidedly flaky. Since upgrading I haven't managed an uptime of more than 2 1/2 days before the server becomes unresponsive and spits out emails like this to the configured alert account:

    The following alert occurred at 04/03/2011 13:30:32.

    Status: Active
    Data source type:
    Data source: Mailbox Database 1849896325
    Computer: exchange.angrytech.internal
    Description: Last 1 recovery points not created.
    Task is cancelled because some other task in agent is not responding on backups.angrytech.internal machine.

    For more information, open DPM Administrator Console and review the alert details in the Monitoring task area.
    The DPM server still responds to ping and appears OK at first, but I can't log in either via RDP or the Hyper-V console (it hangs on "Configuring remote session" or "Please wait for the user profile service" respectively. Remote RPC calls also time out.

    Both guest and host have been upgraded to SP1. No other guests are exhibiting problems. It's different data sources every time, seems to be just whatever happened to be running at the time. There's nothing in the event logs on either server that correlate with the timings of the problem, and no errors being logged recently that haven't been logged before.

    Is it just me or is anyone else seeing odd behaviour with a similar setup?
    Last edited by AngryTechnician; 4th March 2011 at 02:44 PM.

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    Rozzer's Avatar
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    I did have that issue but just reinstalled the DPM agent on the exchange server. Seems to be ok now.

    Ross

  3. Thanks to Rozzer from:

    AngryTechnician (4th March 2011)

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    AngryTechnician's Avatar
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    Interesting, thanks. I'll keep monitoring to see if the errors seem to mention Exchange more often than other servers. Did yours start with SP1 or was it just a problem you've had once in the past?

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    Not had these errors yet, but exchange 2010 OS isn't on SP1 yet.

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    Out of interested what are you using for your archive backups for DPM 2010; USB HDD or tape?

    Bruce.

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    AngryTechnician's Avatar
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    Quote Originally Posted by Bruce123 View Post
    Out of interested what are you using for your archive backups for DPM 2010; USB HDD or tape?

    Bruce.
    We're not taking any at present. The regular storage is an iSCSI NAS on the far side of the site, so all our backups are remote. In my entire career I've never had to restore anything that was more than a couple of weeks old or was a full system restore, and our current system covers that.

    We are currently discussing whether we start keeping monthly archives of our MIS data, but again, it's never been needed before. I certainly won't be using tape if we go down that route.

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    oxide54's Avatar
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    Quote Originally Posted by AngryTechnician View Post
    In my entire career I've never had to restore anything that was more than a couple of weeks old or was a full system restore, and our current system covers that.
    how long you been at this? a week?

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    AngryTechnician's Avatar
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    About 10 years now, frighteningly. Maybe my users aren't as daft as yours?

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    Oxide54: there was absolutely no need for your comment.

    Ben

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    oxide54's Avatar
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    Ben: There was no need for your comment

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    oxide54's Avatar
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    Quote Originally Posted by AngryTechnician View Post
    About 10 years now, frighteningly. Maybe my users aren't as daft as yours?
    my users are seriously daft. have you always been in education?

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    AngryTechnician's Avatar
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    Since 2005. I'm not sure I'd categorise the users I looked after in industry as any less daft though!

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    oxide54's Avatar
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    Quote Originally Posted by AngryTechnician View Post
    Since 2005. I'm not sure I'd categorise the users I looked after in industry as any less daft though!
    no less daft no!

    but the SLA's are normally more stringent, and an underwriter after some policy related document tends to not let it go, whereas a teacher after a kids work will just tell them to re-do it in the end.

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    Anyway, back to the issue at hand - we are having the same problem AngryTechnician.
    Did you ever find out what actually caused the problem?
    Thanks

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    Quote Originally Posted by AngryTechnician View Post
    We're not taking any at present. The regular storage is an iSCSI NAS on the far side of the site, so all our backups are remote. In my entire career I've never had to restore anything that was more than a couple of weeks old or was a full system restore, and our current system covers that.

    We are currently discussing whether we start keeping monthly archives of our MIS data, but again, it's never been needed before. I certainly won't be using tape if we go down that route.
    We are planning to implement DPM 2010 before September, and included in the project plan is to include longer term storage onto either tape or portable HDD.

    Main main concern about just D2NAS is if a hacker or worm hits your network, having the NAS offsite won't help. All it would take is for a worm to gain admin rights on your network, and it can potentially wipe all the HDDs on your servers, including the iSCSI devices linked to the DPM.

    There was a documented case where company backed up to an online NAS with no off-line backups, and this happened to them; the result? The company went under. I think it was an online-gaming company.

    I was at presentation by a well known and highly regarded (and rightly so) backup company; VEEAM (complete DR for VMWare hosted servers). I asked their reps the same question and it was as if it hadn't even ocurred to them. Their first response was that you can use RAID in the NAS (which wouldn't help) and then said you could always replicate the NAS to another NAS (again, wouldn't help), their third response was they you could replicate it into the cloud (might help if the provider does archive backups). I am sure they do have a solution, but this issue just seems to be off the radar generally.

    I was looking at either FireStreamer by a company called Cristalink.com (which allows DPM to archive to USB HDD) or an LTO5 tape drive.

    My main concern with Cristalink/FireStreamer is that it appears to be a company based around one product, which is mainly aimed at DPM 2010. Too many eggs on once basket

    So in the end we opted for a Quantum LTO5 Superloader 3 LTO5 with 8 slots (expandable to 16). With a max storage with compression of 48TB (3TB per tape). Placed the order last week

    It is worth nothing that during our research we discovered HP and other popular venders of backup hardware use the same drive LTO5 mechanism manufatured by Tandberg, so it probably isn't worth paying the premimum for an HP branded backup drive.

    We also ordered an SAS 6Gbit/s card and cable to link to the server to the tape drive. We plan to have the server, NASes and tape drive all together offsite, connected to the rest of the network with 100Mbit link.

    We concluded that you really can't base your tape drive/server in your main datacentre/server room as in the event of a fire all your DR infrastructure would be destroyed (even if the tapes are safe offsite it could take over 24 hours to get a new server/backup drive in place).

    Will try to keep people updated on how this project goes.

    Bruce.

    Leeds, UK.

  17. Thanks to Bruce123 from:

    gshaw (19th September 2011)

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