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samuk
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Restore running off Network and not SAN to SAN

Post by samuk »

I have set the proxy to SAN mode and deselected use Network mode for fail over.

The restore rate is 75MB/s (for a SAN to SAN restore)

03/02/2015 11:18:34 Preparing next VM for processing
03/02/2015 11:18:34 Using source proxy VMware Backup Proxy [nbd]

It seems to be running off the network - utalisation is high.

The SAN LUN is presented to the ESX host and BAckup Proxy.

thanks
Vitaliy S.
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Re: Restore running off Network and not SAN to SAN

Post by Vitaliy S. »

Do your VMs have thin or thick disks? Please be aware that direct SAN restore is only possible with thick disks.
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Re: Restore running off Network and not SAN to SAN

Post by foggy »

Correct, only thick disks can be restored using direct SAN mode. Also, you cannot select a transport mode for restoration, it is selected automatically.
samuk
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Re: Restore running off Network and not SAN to SAN

Post by samuk »

The original Datastores are thin, the VM's are thick - the recovery Datastores are Thick.
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Re: Restore running off Network and not SAN to SAN

Post by foggy »

Aren't you performing incremental restore (quick rollback)?
samuk
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Re: Restore running off Network and not SAN to SAN

Post by samuk »

No, full DR Restore
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Re: Restore running off Network and not SAN to SAN

Post by foggy »

Then something else is preventing direct SAN, restore job logs should tell the reason, so please ask support for the logs review.
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Re: Restore running off Network and not SAN to SAN

Post by dellock6 »

I know it's a stupid question but are you using version 8? SAN restores is a new feature not available in previous versions...
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samuk
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Re: Restore running off Network and not SAN to SAN

Post by samuk »

dellock6 wrote:I know it's a stupid question but are you using version 8? SAN restores is a new feature not available in previous versions...
Nope on Version 7..

is this the issue?

Sam
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Re: Restore running off Network and not SAN to SAN

Post by dellock6 »

Yes!
direct SAN restores are available only on v8, for v7 you should have a virtual proxy and use it for restores leveraging hotadd, otherwise restores will always happen using network mode, that is slower.

Luca.
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samuk
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Re: Restore running off Network and not SAN to SAN

Post by samuk »

okay thanks - i will look at upgrading.

is version 8 stable?
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Re: Restore running off Network and not SAN to SAN

Post by dellock6 »

Almost 40% of our customers already upgraded to v8, and we already released patch 1. No major issue has raised since its release, so yes I will say it's imho a rock solid release.

Luca.
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samuk
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Re: Restore running off Network and not SAN to SAN

Post by samuk »

dellock6 wrote:Almost 40% of our customers already upgraded to v8, and we already released patch 1. No major issue has raised since its release, so yes I will say it's imho a rock solid release.

Luca.

great..thanks

upgrading now..
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Re: Restore running off Network and not SAN to SAN

Post by samuk »

Upgraded to V8 @ Patch applied

Not using the Network anymore..

03/02/2015 14:54:28 Using source proxy VMware Backup Proxy [san]

Restore is running @ 113MB/s

Does this sound right?

Also how many multiple restores should i be able to run at the same time?

Is restoring to and from EVA6100 - SAN is only used for backups.
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Re: Restore running off Network and not SAN to SAN

Post by dellock6 »

Sounds good indeed!
I'm not sure if and what is the limit on concurrent san restores, need to check.

Luca.
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veremin
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Re: Restore running off Network and not SAN to SAN

Post by veremin »

Also how many multiple restores should i be able to run at the same time?
That is controlled by number of simultaneous tasks proxy and repository can handle. As far as I'm concerned, there is no additional limit specific for Direct SAN restore. Thanks.
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