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eamonchaney

Problems with Drobo S while running Carbonite

I bought the Drobo S v2 with the plan of using it to duplicate my NAS and have Carbonite back up the Drobo. Problem is the Carbonite service seems to kill the Drobo. Constant data transfers don't seem to phase it, but 15-90min of Carbonite running(even in low priority mode) will make the dashboard report the drobo as disconnected and the drive unresponsive in windows explorer. Suspending or pausing will bring it back after an hour.

Has anyone had similar experience?

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3 replies
aaronconley

Yes, I just started using Carbonite to backup files on my Drobo S and I'm having the same issue. Did you contact Drobo? Have you resolved your issue?
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eamonchaney

Yes and no:
First I originally had it on an old AthlonXP 64bit mobo from 2002. I was having problems with it even booting with the Drobo already up. I tried using an esata card. The website has some recommendations but they are all PCIexpress and my mobo didn't have any. So I worked with them and tried a couple that said they had the same chipset as the recommended cards. It booted slightly better, but still took forever. If I tried turning on the drobo after windows was up it worked better, but I wanted it to boot with it on. Also I tried reloading windows of course, no difference. I also had Drobo send me a different chassis, but it was the same so I sent it back.

So I bought a new mobo and cpu and memory. I found this Intel mobo with Socket 1156 so I can upgrade later. It has sata and esata and a couple of PCI express slots. Here:
www.amazon.com­/gp­/product­/B0031M9QWC­/ref­=wms­_ohs­_p...

So I tried it out of the box and it boots fine now, no problems with detecting the drive size like I was having before. I have it set up in a closet and just runs backup now. I still get on there sometimes and the drive won't respond: the drobo dashboard doesn't detect it and if you navigate there in windows explorer it will hang for a few minutes. But most of the time the drive is available. I tried some of the actual recommended cards, one of them was no better than the built in controller and the other one was actually worse, so I sent them back.

I have about a terabyte marked for backup via Carbonite and it is still doing the initial backup. It's been about 10 months and is about 90% done. I think this initial backup is the reason the drive bogs down. But EVERY TIME I have seen it in this state I check the Carbonite window and I can see the backup progressing, and it does eventually start responding again. I have just gotten in the habit of pausing the Carbonite service for however long I want to use the machine, walk away, and in less than 5 minutes it is always available. When I am done I just unpause it.

I think it may be because the Carbonite service is running constantly, low data rate to be sure, but constantly grabbing a few bits at a time. I think it maybe interfering with VSS or Shadow Copy. I am very curious to see what happens once the inital backup is done.

BTW: I love this device. I had one seagate drive die on me already and it did exactly as advertised. Thankfully I had the overhead so I pulled it and it just packed it back down until Seagate replaced it, popped the replacement back in. Also I use Microsoft's SyncToy to synchronize my video folder on my Drobo with my NAS. It runs every night and I have yet to see any errors. And it is so nice to see transfers of 80MB/s between my local drive and the Drobo. I highly recommend this device.
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aaronconley

Thanks so much for the reply! I'll have to try pausing Carbonite, waiting for the drive to start responding and see if it's fine until I unpause carbonite. I love the drobo in general and I like carbonite, I just wish they would play nice together.
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