Booting from SAN

From: mark_round@ipcmedia.com
Date: Tue Jan 17 2006 - 05:31:50 EST


Hi all,

I am about to embark on my first SAN project, and just need to confirm a
few things before I submit a request for budget. The plan is to get a
stack of T1000 1u servers, serving web content in a load-balanced
configuration. Because they only have a single SATA internal drive and
no CD-ROM, my current plan is to connect them to a SAN to boot from, and
install via jumpstart. I'd be using Sun's official HBAs
(SG-XPCIE1FC-QF4, as listed in the T2000 options - I assume this will
still work on a T1000) and a DotHill Sannet II[1] FC array.

So far, as far as I can tell, I'd need to :

1. Create the boot volume on the SAN for the T1000
2. Jumpstart Solaris 10 onto the internal SATA drive
3. Patch and install SFS software[2] and update firmware on HBAs
4. Partition & label new boot volume on the SAN the same as the internal
drive
5. Reboot into single-user mode
6. Newfs all partitions on SAN volume
7. Ufsdump / ufsrestore all partitions over to SAN boot volume and
install bootblock
8. Modify vfstab on SAN boot volume
9. Set new boot device in OBP
10. Cross fingers
11. Boot from new device

I would greatly appreciate it if anyone who has performed this procedure
before could advise me on whether this will work, and if I've missed
anything out or am completely barking up the wrong tree.

Many thanks in advance,

-Mark

[1]=http://www.dothill.com/products/sannet2_fc.htm
[2]=http://www.sun.com/storage/san/
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