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Gostev
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Re: Job Chaining

Post by Gostev » Mar 19, 2014 8:50 pm

Glad to see continuous success stories from people who were brave enough to disable chaining ;)

Just to reassure, the chaining as a feature is not going away, but I am thinking of at least adding some nasty warning when this option is selected in the wizard, explaining the recommended way to organize required concurrency.

Great discussion!

dellock6
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Re: Job Chaining

Post by dellock6 » Mar 19, 2014 9:32 pm 2 people like this post

Something like multiple popups:

"Do you really want to enable chaining?" YES/NO
!_____> "Do you really really want to enable chaining?" YES/NO
!___________> "Oh gosh, you want to use it for real... ok, I've warned you" :D
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veremin
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Re: Job Chaining

Post by veremin » Mar 19, 2014 9:34 pm

dellock6 wrote:Something like multiple popups:

"Do you really want to enable chaining?" YES/NO
!_____> "Do you really really want to enable chaining?" YES/NO
!___________> "Oh gosh, you want to use it for real... ok, I've warned you" :D
Vista style?

dellock6
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Re: Job Chaining

Post by dellock6 » Mar 19, 2014 9:40 pm

Luca Dell'Oca
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lp@albersdruck.de
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Re: Job Chaining

Post by lp@albersdruck.de » Mar 20, 2014 7:41 am 2 people like this post

"Please enter any 11-digit prime number to continue:"

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Re: Job Chaining

Post by zoltank » Mar 20, 2014 12:27 pm

- We use the network NBD protocol for our transport since we found we found it to be the most reliable and didn't want to access the SAN directly (only hosts have a physical SAN connection). Because of the slower speed NBD provides, and due to our desire to minimize the time a snapshot is present on a VM, we want to process our VMs one at a time. It's slower overall, but faster for any individual VM.

- We run three separate backup jobs (apps/files/emails) to reduce the size of the backup files and to make it easier to dump them to tape to send offsite.

- We process our application and file servers before our email so the email servers can be backed up during a lower utilization period.

- After doing our nightly backup we run a SureBackup job on everything to make sure our backups are happy.

- We chain our jobs so they run Apps>Files>Emails>SureBackup. This allows us to minimize the amount of time backups are running, ensure only one VM is processed at a time, and verifies our backups.

Vitaliy S.
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Re: Job Chaining

Post by Vitaliy S. » Mar 20, 2014 4:02 pm

zoltank wrote:ensure only one VM is processed at a time
Have you considered limiting the concurrent tasks on the proxy/repository server instead of job chaining?

Gostev
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Re: Job Chaining

Post by Gostev » Mar 20, 2014 6:32 pm

zoltank wrote:This allows us to minimize the amount of time backups are running
If you really care to minimize the time, then you should definitely stop using job chaining.
lp@albersdruck.de wrote:"Please enter any 11-digit prime number to continue:"
99999999977. This one is actually easy to remember, nine 9 and two 7 :D

lp@albersdruck.de
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Re: Job Chaining

Post by lp@albersdruck.de » Mar 20, 2014 8:09 pm 2 people like this post

Gostev wrote: If you really care to minimize the time, then you should definitely stop using job chaining.
I can second that. Not using job chaining cut around 1h off our backup duration.
Gostev wrote: 99999999977. This one is actually easy to remember, nine 9 and two 7 :D
You could amend that with "that has not been entered before". Or use "Enter the last digit of pi to continue" and then fail every time :twisted:

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