I whole-heartedly agree with this post. I've had the same experiences,
not more than 6 months ago, with RHEL5.2 as the platform. A hardare
iSCSI HBA is definitely the way to go if you need to use iSCSI for
primary storage.
Paul Krizak 7171 Southwest Pkwy MS B400.2B
Senior Systems Engineer Austin, TX 78735
Advanced Micro Devices Desk: (512) 602-8775
Linux/Unix Systems Engineering Cell: (512) 791-0686
Silicon Design Division Fax: (512) 602-0468
Tom Sightler wrote:
On Thu, 2009-07-16 at 14:55 -0400, Ugo Bellavance wrote:
Hi,
I have blade servers that I'd like to boot directly on an iSCSI drive.
Is it possible on RHEL5? Will it be possible in RHEL6?
I saw this: http://iscsi-init.sourceforge.net/HOWTO.html. Would that be
a solution?
I'd suggest an iSCSI HBA if you want to go this route. We boot quite a
number of systems via iSCSI with Qlogic iSCSI HBA's, including several
RHEL4 and RHEL5 systems (well, actually only a couple of RHEL4 systems
left). My experiences with software iSCSI boot were far less
successful. Just took too many hacks and broke too many ways. I'll
admit we haven't tried in almost two years, so support may have
improved.
We have considered buying our new blades with SSD drives for the OS
boot/root, and using software iSCSI for everything else, or even just
network booting them, but for now iSCSI HBA's have worked well for us.
Later,
Tom
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