Well I can confirm that the 2 GB chunks is in 7.6 clients when doing backups
against a 7.4.4 server, have not tried to do recovery...
On Sat, Nov 7, 2009 at 4:02 AM, Preston de Guise <
enterprise.backup AT gmail DOT com> wrote:
> On 07/11/2009, at 06:40 , Mark Davis wrote:
>
> Len Philpot wrote:
>>
>>> Mark Davis
>>>> After a lot of thrashing, I was able to get an EMC engineer on the
>>>> phone. He told me something I haven't seen mentioned in this group. If you
>>>> have backups being broken up into 2GB chunks, THEY WILL NOT BE RECOVERABLE!
>>>>
>>> Is this true only in recent versions (i.e., 7.4x +)? We're going to
>>> upgrade our production environment (probably to 7.5.x) early next year --
>>> we're still on 7.2 there -- and while *all* of our Netware clients chunk,
>>> I've never in almost 10 years experienced a single restore failure as a
>>> result of that, AFAIK.
>>>
>>
>> Len,
>>
>> I've seen the 2GB chunks in 7.1 and 7.2 on clients running old versions of
>> Netware and Windows NT as well. This was normal behavior for these OS's,
>> because they did not support files larger than 2GB. So you should be fine
>> seeing this in 7.2 with an older version of Netware.
>>
>> And related to my recent post, I just had another conversation with EMC,
>> and the are telling me that the data from the 2GB chunking issue in 7.4
>> *can* be recovered, but only after fixing the issue on the server first.
>> Apparently the server fix also has some code to manage the chunked savesets.
>> So if your system is 2GB chunking with 7.4 or newer, it will take a bit of
>> work before these savesets can be read.
>>
>
> The fix is LGTsc31925.
>
> It is included in cumulative/roll-up 7.5.1.6 and 7.4.5.2. I know for a fact
> that 7.5.1.5 prevents new continuation savesets from being generated - i.e.,
> prevents chunking; LGTsc31925 can also be requested for a bunch of other
> official and cumulative patch clusters as well. (I recently got it for
> 7.5.1.5 for Windows 64-bit, and know it was also available for Windows
> 32-bit for that release.)
>
> Note that sites that are on 7.5.1 should, instead of getting 7.5.1.6,
> request 7.5.1.5 plus a port of LGTsc31925 to their platform/OS, due to some
> issues with 7.5.1.6's NMC starting in upgrade scenarios. (Due to be fixed
> soon/there's a workaround, but I can't remember it off-hand.)
>
> Cheers,
>
> Preston.
>
> --
> Preston de Guise
>
>
> "Enterprise Systems Backup and Recovery: A Corporate Insurance Policy":
>
>
> http://www.amazon.com/Enterprise-Systems-Backup-Recovery-Corporate/dp/1420076396
>
> http://www.enterprisesystemsbackup.com
>
> NetWorker blog: http://nsrd.wordpress.com
>
>
>
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