[OpenIndiana-discuss] [oi-dev] Obstacle to GPT label boot?

[Toomas Soome]

> On 19. Mar 2021, at 21:06, Judah Richardson <judahrichardson at gmail.com> wrote:
> 
> 
> 
> On Fri, Mar 19, 2021 at 1:14 PM Toomas Soome <tsoome at me.com <mailto:tsoome at me.com>> wrote:
> 
> 
>> On 19. Mar 2021, at 16:21, Judah Richardson <judahrichardson at gmail.com <mailto:judahrichardson at gmail.com>> wrote:
>> 
>> Thanks Toomas. A few questions about that:
>> Which OI version was originally installed? That would help me pinpoint where OI UEFI support landed
> 
> That is tricky:D because it was installed before I wrote UEFI support for illumos:D (technically it is still not complete, but thats another story). 
> 
> I was thinking, what point in time to count for this landing - because we did add it step by step, but I think this headsup should be the mark:
> 
> https://illumos.topicbox.com/groups/developer/T97536ca6fe4642cf-M727f3d9b380cd0b011197de1/headsup-or-something <https://illumos.topicbox.com/groups/developer/T97536ca6fe4642cf-M727f3d9b380cd0b011197de1/headsup-or-something>
> 
> So 2019.05 should have those bits already.
> OK. Welp, didn't work for me when I tried installing the latest Hipster in 2020, but the target disk was a 128 GB SSD so not really an issue.


What was the problem?

rgds,
toomas


> 
> 
>> What hardware is this on? If it's a prebuilt PC brand and model name would be great. If you built the PC yourself, I'd appreciate the brand and model of the motherboard
>> 
> 
> my host is a bit old already, it is Supermicro X10SAE with Intel(r) Xeon(r) CPU E3-1246 v3 @ 3.50GHz. It is doing ok for my needs (illumos dev and build host).
> Thanks for the info! 
> 
> rgds,
> toomas
> 
>> 
>> On Fri, Mar 19, 2021 at 1:18 AM Toomas Soome via openindiana-discuss <openindiana-discuss at openindiana.org <mailto:openindiana-discuss at openindiana.org>> wrote:
>> 
>> 
>> > On 19. Mar 2021, at 02:31, Reginald Beardsley via oi-dev <oi-dev at openindiana.org <mailto:oi-dev at openindiana.org>> wrote:
>> > 
>> > Would someone please direct me to an explanation  of why we can't boot from disk >2 TB in 2021?
>> 
>> 
>> root at beastie:/code/illumos-gate# format
>> Searching for disks...done
>> 
>> 
>> AVAILABLE DISK SELECTIONS:
>>        0. c3t0d0 <WDC-WD4004FZWX-00GBGB0-81.H0A81-3.64TB>
>>           /pci at 0,0/pci15d9,805 at 1f,2/disk at 0,0
>>        1. c3t1d0 <WDC-WD4005FZBX-00K5WB0-01.01A01-3.64TB>
>>           /pci at 0,0/pci15d9,805 at 1f,2/disk at 1,0
>>        2. c3t3d0 <WDC-WD4003FZEX-00Z4SA0-01.01A01-3.64TB>
>>           /pci at 0,0/pci15d9,805 at 1f,2/disk at 3,0
>>        3. c3t4d0 <WDC-WD4005FZBX-00K5WB0-01.01A01-3.64TB>
>>           /pci at 0,0/pci15d9,805 at 1f,2/disk at 4,0
>> Specify disk (enter its number): ^D
>> root at beastie:/code/illumos-gate# zpool status rpool
>>   pool: rpool
>>  state: ONLINE
>>   scan: resilvered 1,68T in 0 days 10:10:07 with 0 errors on Fri Oct 25 05:05:34 2019
>> config:
>> 
>>         NAME        STATE     READ WRITE CKSUM
>>         rpool       ONLINE       0     0     0
>>           raidz1-0  ONLINE       0     0     0
>>             c3t0d0  ONLINE       0     0     0
>>             c3t1d0  ONLINE       0     0     0
>>             c3t3d0  ONLINE       0     0     0
>>             c3t4d0  ONLINE       0     0     0
>> 
>> errors: No known data errors
>> root at beastie:/code/illumos-gate# 
>> 
>> I can tell, this system does boot just fine with both UEFI and BIOS firmware.
>> 
>> rgds,
>> toomas
>> 
>> > 
>> > It's very hard for me to see a significant obstacle to reading an x86 MBR that loads code that will then boot from GPT label disks.
>> > 
>> > I'm rebuilding my Sol 10 u8 system with my spare 2 TB disk.  I'd like to replace the 3x  2 TB disk RAIDZ1 setup with  a 4-5x disk RAIDZ2 using 4 TB disks using my s0 & s1 configuration.
>> > 
>> > I must assume that the Illumos market is dominated by customers who don't care about having a few small SMI labeled boot disks in a farm of large GPT labeled disks.  But for a 7 SATA port system, that's not very viable.
>> > 
>> > Linux, MS and BSD can do it, so we should be able to do it also.  It's become enough of a personal nuisance that I'm willing to fix it if I get a modest level of cooperation.
>> > 
>> > So please, point me at any known issues.  For workstations the s0 root pool and s1 export pool works really well.
>> > 
>> > Reg
>> > 
>> > BTW After a DIMM shuffle, "format -e" and scrubs no longer dump core on u8.  Now X goes off into la-la land :-(  Clearly I need new DIMMS.
>> > 
>> 
>> 
>> 
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