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тАО03-18-2009 06:15 AM
тАО03-18-2009 06:15 AM
OpenVMS command to blink the physical disk LED
I have many disks in the shared storage and I am in doubt which is the physical disk which corresponds to $1$DGA4301.
I there any command which blinks the LED of the physical disk?
Thank you.
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тАО03-18-2009 06:44 AM
тАО03-18-2009 06:44 AM
Re: OpenVMS command to blink the physical disk LED
A simple $COPY $1$DGA4301:[*...]*.*.* nl:
That'll flip on the busy light!
(as well as generate a stream of errors :-)
You could augment that into an SOS signal
COPY short file 1
WAIT 0:0:1
COPY short file 2
WAIT 0:0:1
COPY short file 3
WAIT 0:0:1
COPY longer file 1
WAIT 0:0:1
COPY longer file 2
WAIT 0:0:1
COPY longer file 4
WAIT 0:0:1
:-)
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тАО03-18-2009 07:29 AM
тАО03-18-2009 07:29 AM
Re: OpenVMS command to blink the physical disk LED
Depends on the storage array.
What have you got?
Purely Personal Opinion
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тАО03-18-2009 08:22 PM
тАО03-18-2009 08:22 PM
Re: OpenVMS command to blink the physical disk LED
Answering your question is impossible without knowing what type of shared storage controller you have.
Why do you care? Are you getting errors logged against the $1$DGA4301 device?
Since this is a DGA device, we can assume it is a FC controller that the actual disk are connected to.
If the controller is an EVA, then a vdisk (which will correspond to a single $1$DGA device) will have the blocks contained in it spread over all the disks in the disk group it was created on. In other words, there is no single physical disk that corresponds to a specific $1$DGA device.
If you have a HSG80, finding the disk(s) that correspond to the unit is at least possible, but you will need to get to the HSG80 console and issue a locate command.
I don't know enough about XP or MSA controllers to know how to answer for them.
If you don't know what type of controller you have, please paste the output of
$ show device/full $1$DGA4301:
as it will have some hints.
Jon
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тАО03-18-2009 09:09 PM
тАО03-18-2009 09:09 PM
Re: OpenVMS command to blink the physical disk LED
/sbin/hwmgr locate
actually does?
Any way to persuade SYS$ETC:SCSI_MODE.EXE
(or something else on VMS) to do something
similar?
http://h30097.www3.hp.com/docs/base_doc/DOCUMENTATION/V51B_HTML/ARSFCATE/TITLE.HTM
http://h30097.www3.hp.com/docs/base_doc/DOCUMENTATION/V51B_HTML/ARSFCATE/SCSDDRCH.HTM#locate-scsi-devices
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тАО03-19-2009 02:25 PM
тАО03-19-2009 02:25 PM
Re: OpenVMS command to blink the physical disk LED
Although this doesn't apply to VMS, following is the relevant portion of the document referenced by Steven's last pointer. Just in case the link becomes inactive in the future, here is what it says:
--------------------
3.4.1 Locating SCSI Hardware
The locate option, which currently works only for some SCSI devices, enables you to identify a device. You might use this command when you are trying to physically locate a SCSI disk. The following command flashes the light on a SCSI disk for one minute:
# /sbin/hwmgr locate -id 42 -time 60
You can then look the disk bays for the component that is flashing its light. You cannot use this option to locate some SCSI devices such as CD-ROM readers and disks that are part of an array (such as an HSV110). However, disks that are part of an array are detected on failure and an event is posted in the Event Manager log. The array controller identifies the failed disk by flashing its read or amber error light. You do not need to manually search for the failed device.
--------------------
Note that it specifically states it works only on some devices, and it cannot be used to locate disks that are part of an array.
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тАО03-19-2009 02:59 PM
тАО03-19-2009 02:59 PM