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IBM Xseries 360m: no hd with install-x86-minimal-20131029
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Spanik
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PostPosted: Sat Nov 30, 2013 12:43 pm    Post subject: IBM Xseries 360m: no hd with install-x86-minimal-20131029 Reply with quote

I'm trying to re-use an IBM Xseries 360m. There is a booting Centos on it but as I don't have any info about it I'm going to replace it.

The problem is when I boot from the minimal cd there are no hard disks detected. Both fdisk -l and parted -l turn out blank (parted finds the cdrom). Both disks are connected to an Adaptec AIC9405W SAS/SATA controller.

If I check dmesg I find this:

Code:

aic94xx: Adaptec aic94xx SAS/SATA driver version 1.0.3 loaded
aic94xx: found Adaptec AIC-9405W SAS/SATA Host Adaptor, device 0000:03:04.0
scsi2 : aic94xx
aic94xx: Failed to load sequencer firmware file aic94xx-seq.fw, error -2
aic94xx: couldn't init seq for 0000:03:04.0
aic94xx: couldn't init the chip
aic94xx: probe of 0000:03:04.0 failed with error -2
mpt2sas version 14.100.00.00 loaded


lspci:

Code:

03:04.0 Serial Attached SCSI controller: Adaptec AIC-94065W SAS (Razor-Lite ASIC non-RAID) (rev 08)


I googled the aic94xx-saq.fw and found one on github. But is this what I need and if so, then I do I add it to the .iso (or make it otherwise available)?
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Christian99
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PostPosted: Sat Nov 30, 2013 2:35 pm    Post subject: Reply with quote

This could be the one, at least you can try it.
Put it in /lib/firmware ( create the dir, if not there) and then make "modprobe aic94xx". I don't have an install cd here, but i guess it is build as module.

then look in dmesg again (at the end) and see what it says about aic94xx.
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Spanik
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PostPosted: Sat Nov 30, 2013 4:19 pm    Post subject: Reply with quote

Ok, copied the file to that directory and ran "modprobe aic94xx". No error but nothing added to dmesg. With lsmod I see that aic94xx is listed. I tried "make "modprobe aic94xx""" but got make: command not found. So that way doesn't go either.
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NeddySeagoon
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PostPosted: Sat Nov 30, 2013 4:25 pm    Post subject: Reply with quote

Spanik,

The aic94xx module loaded but did not find its firmware.
Boot the CD add the firmware to /lib/firmware as described
Code:
modprobe -r aic94xx
to remove the module.
Code:
modprobe aic94xx
to reload the module and this time it will find the firmware.
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Spanik
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PostPosted: Sat Nov 30, 2013 6:25 pm    Post subject: Reply with quote

Indeed, this works, thanks. I'm not really up-to-date with modprobe. Mostly I check what is in the bow and then build that straight into the kernel. I get a lot more in the dmesg now and it ends with:

Code:

aic94xx: Found sequencer Firmware version 1.1 (V17/10c6)
aic94xx: device 0000:03:04.0: SAS addr 5005076a014ada00, PCBA SN ORG, 4 phys, 4 enabled phys, flash present, BIOS build 1789
....
sdb: sdb1 sdb2
sd 4:0:0:0 [sdb] Attached SCSI disk
sdc: sdc1 sdc2
sd 4:0:1:0 [sdc] Attached SCSI disk
md: bind<sdb2>
md: bind<sdb1>
md: bind<sdc1>
md/raid1:md126: active with 2 out of 2 mirrors
.....
RAID1 conf printout:
--- wd:2 rd:2
disk 0, wo:0, o:1, dev:sdb2
disk 1, wo:0, o:1, dev: sdc2
md127: unknown partition table


Fdisk -l now lists 2 hard disks with each 2 partitions. Both partitions are listed as Id "fd" and type "Linux raid autodetect".

Do I understand it correctly that this is a linux soft-raid with 2 raid 1 mirrors?
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NeddySeagoon
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PostPosted: Sun Dec 01, 2013 12:20 am    Post subject: Reply with quote

Spanik,

Thats correct.

If you want to build aic94xx into the kernel, you must build the firmware in too.

You have /dev/md126 and /dev/md127. Do not use the underlying partitions at all.
Code:
cat /proc/mdstat
will tell you about yor raid sets.
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