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08-03-2004 07:08 AM
08-03-2004 07:08 AM
Hi, I posted this query to the storage forum, but nobody has responded. Since this one crosses some boundries, I'm posting it here, on the Server side as well. Hopefully this is OK within the rules and traditions of the forum.
HP says that it supports Integrity rx2600 (and other Integrity Itanium servers) booting from external JBOD (a dual-bus MSA30, which appears to be HP's only supported JBOD for Integrity), using the PCI Smart Array 6402 2-channel RAID Controller.
Is there anybody out there who has done this, and seen it work? Not just running it as RAID storage, but booting HP-UX 11i from it?
HP also says that they recommend keeping an internal boot disk, presumably to help troubleshoot issues with the RAID card, and maybe to help get it set up and working in the first place. That makes sense.
The question arises because Mirrordisk/UX is a per-processor license, and in dual-CPU units, it is more than double the cost of the RAID card. In fact, the dual-port RAID card is almost the same price as the dual-port SCSI card that we'd need to run the external JBOD tray anyway (so the redundancy is just about free).
Over the dozen or so systems that are involved in this project, the dollars saved are enough to buy another complete server and storage set, but we are hesitant to be the first on the street to try this, even though HP says it is supported.
Lastly, I had thought to get everything installed, patched, and working on the single internal 36GB boot drive, and then use Ignite to make a recovery tape, boot from the tape, and copy the boot image out to the RAID-protected storage.
As patches and updates happen, I would use Ignite to keep the "hot spare boot drive" (the internal 36GB drive) in sync with the OS boot disk on the RAID controller. Does anybody see a flaw in this scheme, other than the manual nature and the time involved?
Best Regards, --bmr
HP says that it supports Integrity rx2600 (and other Integrity Itanium servers) booting from external JBOD (a dual-bus MSA30, which appears to be HP's only supported JBOD for Integrity), using the PCI Smart Array 6402 2-channel RAID Controller.
Is there anybody out there who has done this, and seen it work? Not just running it as RAID storage, but booting HP-UX 11i from it?
HP also says that they recommend keeping an internal boot disk, presumably to help troubleshoot issues with the RAID card, and maybe to help get it set up and working in the first place. That makes sense.
The question arises because Mirrordisk/UX is a per-processor license, and in dual-CPU units, it is more than double the cost of the RAID card. In fact, the dual-port RAID card is almost the same price as the dual-port SCSI card that we'd need to run the external JBOD tray anyway (so the redundancy is just about free).
Over the dozen or so systems that are involved in this project, the dollars saved are enough to buy another complete server and storage set, but we are hesitant to be the first on the street to try this, even though HP says it is supported.
Lastly, I had thought to get everything installed, patched, and working on the single internal 36GB boot drive, and then use Ignite to make a recovery tape, boot from the tape, and copy the boot image out to the RAID-protected storage.
As patches and updates happen, I would use Ignite to keep the "hot spare boot drive" (the internal 36GB drive) in sync with the OS boot disk on the RAID controller. Does anybody see a flaw in this scheme, other than the manual nature and the time involved?
Best Regards, --bmr
We must indeed all hang together, or, most assuredly, we shall all hang separately. (Benjamin Franklin)
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08-16-2004 07:47 AM
08-16-2004 07:47 AM
Solution
Hi,
HP supports the PCI Smart Array 6402 (P/N A9890A) in Integrity rx2600.
Be sure you use A9890A, not ProLiant's 273915-B21.
A9890A supports rx2600 booting from internal
or external disks. See:
http://docs.hp.com/hpux/onlinedocs/RAID_SM_20040624/RAIDsuppotmatrix.htm
Regards,
Zygmunt
HP supports the PCI Smart Array 6402 (P/N A9890A) in Integrity rx2600.
Be sure you use A9890A, not ProLiant's 273915-B21.
A9890A supports rx2600 booting from internal
or external disks. See:
http://docs.hp.com/hpux/onlinedocs/RAID_SM_20040624/RAIDsuppotmatrix.htm
Regards,
Zygmunt
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