Project

General

Profile

The ungleich hardware maintenance guide » History » Version 8

Nico Schottelius, 09/05/2021 09:47 AM

1 2 Nico Schottelius
{{toc}}
2
3 1 Nico Schottelius
h1. The ungleich hardware maintenance guide
4
5
This guide describes common operations on hardware we use.
6
7
h2. APU Bios Update
8
9
* Download the correct bios from https://pcengines.github.io/
10
** Check whether it's apu1/2/3/4 before downloading
11
* Install flashrom
12
* "Flash bios using flashrom":https://github.com/pcengines/apu2-documentation/blob/master/docs/firmware_flashing.md
13
** @flashrom -w THEROMFILE -p internal@
14
15 4 Nico Schottelius
h2. APU Serial and bootloader configuration
16 3 Nico Schottelius
17
* Ensure that the bootloader has "console=ttyS0,115200" configured
18
* Ensure that there is a getty running on serial
19
* Use grub-bios as the bootloader
20
** Install using @grub-install /dev/sda@
21 1 Nico Schottelius
22 5 Nico Schottelius
h2. Updating the Perc H800 SAS controller
23
24 6 Nico Schottelius
* @wget 'https://dl.dell.com/FOLDER03292738M/3/SAS-RAID_Firmware_XKF5X_LN_12.10.7-0001_A13.BIN?uid=4b8a2506-f4d4-46a9-ab19-3c2a5008a782&fn=SAS-RAID_Firmware_XKF5X_LN_12.10.7-0001_A13.BIN' -O  SAS-RAID_Firmware_XKF5X_LN_12.10.7-0001_A13.BIN@
25 5 Nico Schottelius
* chmod u+x SAS-RAID_Firmware_XKF5X_LN_12.10.7-0001_A13.BIN
26
* ./SAS-RAID_Firmware_XKF5X_LN_12.10.7-0001_A13.BIN
27
28 8 Nico Schottelius
h2. HP servers disk management
29
30
h2. Dell servers disk management
31
32
Adding disks:
33
34
<pre>
35
megacli -CfgLdAdd -r0 [Enclosure Device ID:slot] -aX (X : host is 0. md-array is 1)
36
37
# Sample call, if enclosure and slot are KNOWN (aka not N/A)
38
megacli -CfgLdAdd -r0 [32:0] -a0
39
40
# Sample call, if enclosure is N/A
41
megacli -CfgLdAdd -r0 [:0] -a0
42
</pre>
43
44
Remove cache of disks that are not in the server anymore:
45
46
<pre>
47
megacli -DiscardPreservedCache -Lall -aAll
48
</pre>
49
50
Remove foreign configurations on foreign disks
51
52
<pre>
53
megacli -CfgForeign -Clear -aAll
54
</pre>
55
56
Do both in many cases:
57
58
<pre>
59
megacli -DiscardPreservedCache -Lall -aAll
60
megacli -CfgForeign -Clear -aAll
61
</pre>
62
63 1 Nico Schottelius
h2. SEE ALSO
64
65
* [[Managing OpenWRT]]
66 7 Nico Schottelius
* [[The_ungleich_ceph_handbook]]