[ale] USB "duplicate" drive issue on CentOS

Edward Holcroft eholcroft at mkainc.com
Fri Jun 17 11:59:42 EDT 2016


And that's exactly what I've been using!

Anybody have a recommendation for a known good USB3 card?

ed

On Fri, Jun 17, 2016 at 11:15 AM, Jim Kinney <jim.kinney at gmail.com> wrote:

> I would be very suspicious of StarTech USB3 cards. I put in several and
> under any real use they actually crash the box hard. I have the 4 port,
> dedicated 4 channel version.
>
> On Fri, 2016-06-17 at 10:38 -0400, Edward Holcroft wrote:
>
> For now, I've added:
>
> cryptsetup luksClose DRIVE_NAME
> crypsetup luksOpen  --key-File /dev/disk/by-uid/xxxxxxxxxxxx DRIVE_NAME
>
> to my daily script.
>
> Doing it manually like this, cryptsetup doesn't seem to care that there's
> a duplicate device id and it opens the disk regardless, allowing it to
> mount when accessed and the backup script runs successfully (still using
> autofs) .
>
> Thanks for the ideas. I still need to do something more elegant for a
> permanent solution, probably involving udev.
>
> Still, most odd that it works fine on several identical boxes, but not on
> others. I'm beginning to wonder if maybe the USB3 cards in some servers are
> flakey. Testing that hypotheses is tricky as these are remote sites with
> extremely non tech-savvy people on site.
>
> ed
>
> On Fri, Jun 17, 2016 at 9:44 AM, Alex Carver <agcarver+ale at acarver.net>
> wrote:
>
> Right, I wrote that in the last of my examples.  A rule that checks the
> ID and runs the mount script.
>
> On 2016-06-17 06:17, Phil Turmel wrote:
> > For the OP, bus and port and usb serial don't really matter.  He's
> > getting reliable /dev/disk/by-id/ symlinks -- doesn't need more.  But an
> > udev rule can run a script on any newly inserted disk to check if it's a
> > backup disk, and which one, and conditionally spawn the backup process.
> >
> > On 06/16/2016 11:52 PM, Chris Fowler wrote:
> >>     *From: *"Alex Carver" <agcarver+ale at acarver.net>
> >
> >>     However, these devices I'm using do not have unique serial numbers
> which
> >>     is why I'm working with them via their bus number.
> >
> >> I do the same.  USB port = tty name
> >
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> --
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>
>
>
> _________________________________________
>
> *Edward O. Holcroft*
> IT Operations Manager
>
> *Madsen, Kneppers & Associates, Inc.*
> Construction Consultants & Engineers
> 11695 Johns Creek Parkway, Suite 250
> Johns Creek, GA 30097
>
> *O*  770.446.9606  |  *F*  770.446.9612  |  *C*  770.630.0949  |
> eholcroft at mkainc.com
>
> www.mkainc.com
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> MADSEN, KNEPPERS & ASSOCIATES USA, MKA Canada Inc. WARNING/CONFIDENTIALITY
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-- 




_________________________________________

*Edward O. Holcroft*
IT Operations Manager

*Madsen, Kneppers & Associates, Inc.*
Construction Consultants & Engineers
11695 Johns Creek Parkway, Suite 250
Johns Creek, GA 30097

*O*  770.446.9606  |  *F*  770.446.9612  |  *C*  770.630.0949  |
eholcroft at mkainc.com

www.mkainc.com

-- 
MADSEN, KNEPPERS & ASSOCIATES USA, MKA Canada Inc. WARNING/CONFIDENTIALITY 
NOTICE: This message may be confidential and/or privileged. If you are not 
the intended recipient, please notify the sender immediately then delete it 
- you should not copy or use it for any purpose or disclose its content to 
any other person. Internet communications are not secure. You should scan 
this message and any attachments for viruses. Any unauthorized use or 
interception of this e-mail is illegal.
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