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тАО07-20-2010 02:36 AM
тАО07-20-2010 02:36 AM
Problems connecting DVD Writer to BL460
I need to connect a DVD Writer to a BL460 blade in order to create a system backup image.
If I connect it to the C7000 OA USB port and make it available, it is detected by the blade servers as a DVD-ROM. This will be fine in the future, but first I need to write an image to it.
So, using the included adaptor I can connect the drive the the blade's front panel. This time, the O/S (RHEL 4.8) detects it correctly as a DVD Recorder, but it constantly flags up over-current errors and is unusable :
kernel: hub 6-0:1.0: over-current change on port 6
kernel: hub 3-0:1.0: over-current change on port 2
etc...
Is this because the DVD drive doesn't have an external power supply and the blade can't supply sufficient power?
I guess I've two questions, really:
1) Is there a way to make the blade see the OA connected drive as a DVD Recorder?
or
2) Is there a way to get the device working when plugged into the blade's front panel USB port?
Any ideas gratefully received!
Chris
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тАО07-20-2010 04:50 AM
тАО07-20-2010 04:50 AM
Re: Problems connecting DVD Writer to BL460
Or try writing at the lowest possible speed.
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тАО07-20-2010 05:22 AM
тАО07-20-2010 05:22 AM
Re: Problems connecting DVD Writer to BL460
Write speed doesn't come into it, as I don't get that far (the errors occur as soon as a disk is placed in the drive).
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тАО07-20-2010 05:29 AM
тАО07-20-2010 05:29 AM
Re: Problems connecting DVD Writer to BL460
Does USB-lead for the DVD-writer have one or two male connectors?
If it has two, it may help to just plug the other into a PSU with USB-connector.
(Cell-phone charger or something.)
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тАО07-20-2010 05:56 AM
тАО07-20-2010 05:56 AM
Re: Problems connecting DVD Writer to BL460
I'm still hoping to get hold of a unit with external PSU, but the more options I have the better (the system's on a remote site so the fewer wasted journeys the better!).
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тАО08-23-2010 07:13 AM
тАО08-23-2010 07:13 AM
Re: Problems connecting DVD Writer to BL460
However, using said image in the original USB DVD writer connected to the OA doesn't!
The DVD contains a bootable recovery image (Yosemite), and this is assigned to a particular blade via the OA. By mouting this virtually on the Blade iLO, the blade will then boot from it without a problem, but during the recovery phase it fails with a message akin to "can't find media".
Is it likely that the OA also can't supply sufficient power to the DVD, so we need a permanent DVD with an external PSU?
Are there known issues with using physical DVD drives with OAs?