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тАО11-26-2011 04:10 PM
тАО11-26-2011 04:10 PM
Hi,
I need to extract one internal disk of one server (this is a rp5430 running HP-UX 11i V1 with lvm mirror) because I need to configure the mirror of lvols of another server more critical.
In the server rp5430, I have the following output from stm:
0 Bus Adapter (803) Information Successful
0/0 PCI Bus Adapter (782) Information Successful
0/0/0/0 Core PCI 100BT Interface Information Successful
0/0/1/0 PCI SCSI Interface (10000 Information Successful
0/0/2/0 PCI SCSI Interface (10000 Information Successful
0/0/2/0.6.0 SCSI Disk (HP18.2GST31840 Information Successful
0/0/2/1 PCI SCSI Interface (10000 Information Successful
0/0/2/1.6.0 SCSI Disk (HP18.2GST31840 Information Successful
0/0/4/1 RS-232 Interface (103c104 Information Successful
...
Then, the two disks are 0/0/2/0.6.0 and 0/0/2/1.6.0.
What do you recommend extract, according to the scsi priority ?
Thanks in advance
Solved! Go to Solution.
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тАО11-27-2011 11:25 AM
тАО11-27-2011 11:25 AM
SolutionSince the disks are on separate SCSI interfaces, and both buses don't seem to have any other devices connected to them, the SCSI priority will not be an issue.
Disk 0/0/2/0.6.0 is attached to SCSI interface 0/0/2/0 and disk 0/0/2/1.6.0 to SCSI interface 0/0/2/1, respectively.
Both interfaces are physically located on the Core I/O card. According to rp5430 documentation, all core I/O SCSI interfaces and the core LAN share a single 250 MB/s PCI bus (hardware path 0/0).
By the way, are you sure this is a rp5430? According to the hardware paths, the SCSI IDs are 6 on both disks. With rp5430's internal hot-plug disk slots, the values are hardwired to each slot, and should be 0 and 2 on each bus, respectively. I think the paths look more like a rp24xx system.
To confirm the system model, please run the "model" command.
To get the most up-to-date information on disks, you might want to run "ioscan -fnCdisk": if the result does not agree with the output of stm, you might want to tell stm to rescan the hardware.
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тАО11-27-2011 09:52 PM
тАО11-27-2011 09:52 PM
Re: scsi priority
This is IMHO a rp7400 (aka N4000) - but these disks are on seperate SCSI busses, so there is no difference in priority.
Hope this helps!
Regards
Torsten.
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тАО11-28-2011 07:19 AM
тАО11-28-2011 07:19 AM
Re: scsi priority
Thanks Matti and Torsten
You are right. I made a mistake. The source server is a rp7400. (i confused because the destination server is a rp5430)
One more question, not directly related to my fisrt question.
The "scsi reset" affect only to scsi interface, or to all pci bus ?
Thanks for your help
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тАО11-28-2011 10:35 AM
тАО11-28-2011 10:35 AM
Re: scsi priority
Hope this helps!
Regards
Torsten.
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those who understand binary, and those who don't.
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тАО11-30-2011 11:53 AM
тАО11-30-2011 11:53 AM
Re: scsi priority
Thanks