Bringing disks offline

[tanjk]

Hi,

 

Brief description of my setup.

 

1x 5bay USB3 connected enclosure

1x External USB3 HDD

 

Now the issue I'm facing is, whenever I have to swap disks on the 5bay, the enclosure actually disconnects and then re-connects once the drive is removed (or added). This cause DP to think that disks in the 5bay enclosure have gone missing and starts to 'measuring...'.

 

Is there a way to add disks (or remove) disks from the 5bay enclosure nicely without triggering this behaviour? The sole External USB3 is a 8TB disk and it takes a long time to 'Measure'. The entire pool is used as a backing store for my backup clients. I can afford to take the pool offline but I don't really want to reboot. It's a Windows 10 machine and running the latest beta version.

[Christopher (Drashna)]

I beleive that the beta version handles this better. 

 

Try that version and see if it corrects the issue.

http://dl.covecube.com/DrivePoolWindows/beta/download/StableBit.DrivePool_2.2.0.852_x64_BETA.exe

[tanjk]

Hi,

 

I'm already running the latest beta and that's the behaviour I'm getting. OS is Windows 10.

[Christopher (Drashna)]

Okay, I just wanted to make sure.

 

Howe is this enclosure hooked up?  USB, correct?  

Does i have an eSATA hookup? 

 

Also, what enclosure is this specifically, and what USB controller is it hooked up to (if a controller card, which, or if onboard, which motherboard).

 

And could you run the StableBit Troubleshooter? 

http://wiki.covecube.com/StableBit_Troubleshooter

Use 3157 as the contact ID when submitting the logs.

 

Also, are you familiar with the Windows Performance Recorder/Analysis?  If not, don't worry.  If you are, then could you grab logs from that? 

[tanjk]

Hi,

 

Yes, it's connected via USB3. No eSATA involved. The enclosure itself is an Orico 9558-U3. It's basically a 5-bay USB3 3.5" enclosure. As for connections, it's actually connected to a Mid-2012 15" MBP. This device is then passed-through via Parallels Desktop 12 to a Windows 10 VM.

 

I'll try my best to describe the 'issue'. My main concern is that whenever I tried to pull a disk (be it dead or otherwise), the entire enclosure goes offline and then re-connects again. My first question will then be is this expected behaviour? The moment this happens, DP will 'think' that a disk has gone missing and subsequently came back online. This triggers the lengthy 'measuring' process.

 

I observed this behaviour on other USB connected enclosures as well. I have also the very reliable Probox 4 Bay eSATA & USB2/3 Enclosure. These are connected to an Intel H67 based board via ASMedia USB3 controllers. This behaviour made USB3 Enclosures unsuitable for DP. I have to connect those to the same ASMedia eSATA PM controllers and I can individually hot swap the disks w/o affecting DP.

 

So let me emphasize that DP is really nice. I just need an elegant way to deal with the USB enclosures' bays going offline all at once.

 

I'll see if I have the time to run the Troubleshooter on the Windows10 VM (I'm half way through the trial license ) I'm basically trying to build a remote backup setup using the 5Bay controller with DP and hook them up to a laptop or something.

[Christopher (Drashna)]

Ah, it looks like this drive goes offline when adding or removing a disk. Nothing we can really do. 

So, this would be expected behavior with this enclosure.  

 

 

And yes, how DrivePool is handling it is expected in this case. However, for the remeasure, that's not typical.  The beta version should fix that, or at least improve the measurement speed. 

[tanjk]

Hi,

 

Thanks for the reply. I've ran the troubleshooter while it's 're-measuring' after a disk removal from the enclosure. Hope that helps.

[Christopher (Drashna)]

Sorry for the delay!

 

And I've flagged the logs for Alex (the Developer) so he can take a look at the issue.

https://stablebit.com/Admin/IssueAnalysis/27651