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тАО03-29-2007 08:11 AM
тАО03-29-2007 08:11 AM
Re: Re install MSA30
But the command will tell you the disks already included in this VG.
I see in your ioscan you adjusted only 1 HBA to ID 6 - you must adjust the other adapter too.
Already adjusted:
ctl 9 0/3/1/1.6.0 sctl CLAIMED DEVICE Initiator
("6" is the initiator ID)
Make the same for /dev/mpt6 to prevent problems!
Hope this helps!
Regards
Torsten.
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тАО03-29-2007 08:24 AM
тАО03-29-2007 08:24 AM
Re: Re install MSA30
At man pages of mptconfig we see
WARNINGS
Setting the initiator ID on a SCSI controller must be done with caution, since duplicate SCSI IDs on a SCSI bus can result in bus hangs, system hangs, and system panics. The mptconfig command will attempt to verify that no targets are using the specified ID before the change is allowed; however, in the case of multi-initiator (shared bus) configurations, the mptconfig command cannot detect the presence of other initiators on the SCSI bus. Use the ioscan command on any servers connected to the same SCSI bus to verify that the init_id selected is free before using the -i option.
It is safe and necessary to assign the same init-id for both controllers??
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тАО03-29-2007 06:45 PM
тАО03-29-2007 06:45 PM
Re: Re install MSA30
Hope this helps!
Regards
Torsten.
__________________________________________________
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those who understand binary, and those who don't.
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тАО03-30-2007 01:23 AM
тАО03-30-2007 01:23 AM
Re: Re install MSA30
Just one of them must be set to 6? (as already we have), or both?
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тАО03-30-2007 01:49 AM
тАО03-30-2007 01:49 AM
Re: Re install MSA30
"As of HP-UX 11i Version 3, HP recommends using the multipathing inherent in
the mass storage stack, rather than LVM's alternate links. If you want to
use LVM's alternate links, you must use legacy device special files for
physical volumes, and disable the mass storage stack multipathing for those
legacy device special files, using the *scsimgr* command."
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тАО03-30-2007 02:17 AM
тАО03-30-2007 02:17 AM
Re: Re install MSA30
Do you use HP-UX 11i v3 (11.31)???
(run "uname -a")
Hope this helps!
Regards
Torsten.
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тАО03-30-2007 02:18 AM
тАО03-30-2007 02:18 AM
Re: Re install MSA30
Do you use HP-UX 11i v3 (11.31)???
(run "uname -a")
Unlikely, because the vgdisplay output would look different.
Hope this helps!
Regards
Torsten.
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тАО03-30-2007 02:38 AM
тАО03-30-2007 02:38 AM
Re: Re install MSA30
11.11 is our version.
I don't know much also, but at least i know my limitations.
There is something i cant understand:
you said:
ctl 9 0/3/1/1.6.0 sctl CLAIMED DEVICE Initiator
/dev/rscsi/c7t6d0
Already changed, but i need to change also /dev/mpt6
I see at ioscan the following lines:
ext_bus 6 0/3/1/0 mpt CLAIMED INTERFACE SCSI Ultra320 1
/dev/mpt6
ext_bus 4 0/4/1/0 mpt CLAIMED INTERFACE SCSI Ultra320 1
/dev/mpt4
ext_bus 7 0/3/1/1 mpt CLAIMED INTERFACE SCSI Ultra320 1
/dev/mpt7
ext_bus 5 0/4/1/1 mpt CLAIMED INTERFACE SCSI Ultra320 1
/dev/mpt5
doesnt mean that initiator id for /dev/mpt6 is set to 6 ??
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тАО03-30-2007 03:06 AM
тАО03-30-2007 03:06 AM
Re: Re install MSA30
In your rp3410 server, the relation is like this:
0/4/1 - top slot
0/3/1 - second from top
Back to your ioscan, this is important:
ext_bus 6 0/3/1/0 mpt CLAIMED INTERFACE SCSI Ultra320 1
/dev/mpt6
target 8 0/3/1/0.7 tgt CLAIMED DEVICE
ctl 6 0/3/1/0.7.0 sctl CLAIMED DEVICE Initiator
/dev/rscsi/c6t7d0
ext_bus 7 0/3/1/1 mpt CLAIMED INTERFACE SCSI Ultra320 1
/dev/mpt7
target 14 0/3/1/1.6 tgt CLAIMED DEVICE
ctl 9 0/3/1/1.6.0 sctl CLAIMED DEVICE Initiator
/dev/rscsi/c7t6d0
This is the card in the "second from top" slot.
The card has a dualbus controller, 1 is set to ID 6 (0/3/1/1.6.0 ... Initiator), 1 to 7 (0/3/1/0.7.0 ... Initiator).
If your cable goes like this:
HBA in 0/3/1 -> MSA A1 : A2 -> HBA in 0/4/1
and
HBA in 0/3/1 -> MSA B1 : B2 -> HBA in 0/4/1
I would set both controllers on the card in 0/3/1 to "6" - in this case
/dev/mpt6
and
/dev/mpt7
The card in 0/4/1 must remain at ID 7 for both controllers.
Doing this, you have the following IDs on each bus:
7 - the first HBA
0
1
2
3
4
5
8 - the disks (fixed)
15 - the chassis controller (fixed)
6 - the second HBA
Every ID is unique - this is important.
Clear enough now?
Hope this helps!
Regards
Torsten.
__________________________________________________
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those who understand binary, and those who don't.
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тАО03-30-2007 03:59 AM
тАО03-30-2007 03:59 AM
Re: Re install MSA30
Thank you very much!
We will work on this today, and we'll comment later.
Thanks again!