Debian Configuration :: Raid 5 Recovery After Mistakenly Removing Disk?
Aug 12, 2010
I've got an 8-disk raid-5 setup, and one of the disks failed. I shut the system down, replaced it, and powered the box back on again. Then, I made a catastrophic mistake; I 'failed' and removed the wrong disk (should have been sdj1, and I typed sdk1 by accident). I tried to re-add sdk1 back to the raid array, but it got listed as 'spare'. My raid array is off-line, since I now have 2 disks unavailable.
I know that the data still exists on sdk1, is there any way I can get the raid array to recognise the fact that it's a valid part of the array, and not a spare disk? At least if I can do that, I'll have a degraded but accessible array, and then I can rebuild the array on the properly replaced disk.
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Feb 20, 2016
How can i get a RAID virtual image disk?
What i need is to mount several directories from any other partiton (or file system) as a new merge file system that can grow or decrease depending on the free space. As if it was a dinamic RAID,so i can work with huge files distributed over the partitions mounted.
Ejemp: /mnt/sda1/dir_raid1 + /home/dir_raid2 + /mnt/sda3/dir_raid3 ---> /mnt/RAID/
mhddfs and unionfs <---- are not the solution im searching (cant use huge files)
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Aug 31, 2010
concerning Linux, mdadm, and creating RAID Array's in Debian. I've done a lot of reading and research on RAID both on this board and elsewhere (The Linux Documentation Project's Software-RAID HOWTO is especially good), but I've run across something that no one seems to explain, and I'm not sure why. I'm instructed to create partitions on the drives I wish to add to my array. These partitions inevitably take up the whole disk, and are always have their system IDs set to "Linux raid autodetect". What I don't understand is why, after creating these partitions, some guides then go on to create an array (say a RAID5 one) with just the disks themselves as members, while others go on to create the RAID5 array with the previously created partitions as members. E.g.,
mdadm --create --verbose /dev/md0 --level=5 --raid-devices=4 /dev/sda /dev/sdb /dev/sdc /dev/sdd
vs.
mdadm --create --verbose /dev/md0 --level=5 --raid-devices=4 /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1
What's the advantage of using one over the other?
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Jun 18, 2010
I have a fileserver which is running Ubuntu Server 6.10. I had a RAID5 array consisting of the following disks:
Code:
/dev/sda1
/dev/sdb1
/dev/sdd1
/dev/md0 -
the raid drive for the above three disks. The sda1 disk has failed and the array is running on 2 of 3 disks
/dev/sdc (OS disk)
/dev/sde (new 2tb disk - unused)
/dev/sdf (new 2tb disk - unused)
My plan was to rebuild the array using the two new disks as RAID1. Would the best way to do this be to create a new RAID1 disk on /dev/md1 then copy all data over from /dev/md0? Also - this may sound stupid but since all 3 drives in md0 are identical i'm not sure physically which disk is bad. I tried disconnecting each disk one-by-one then rebooting but the system doesn't appear to want to boot without the bad drive connected. I've already failed the disk in the array with mdadm but i'm unsure of how to remove it properly.
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Feb 1, 2011
Could any RAID gurus kindly assist me on the following RAID-5 issue?I have an mdadm-created RAID5 array consisting of 4 discs. One of the discs was dropping out, so I decided to replace it. Somehow, this went terribly wrong and I succeeded in marking two of the drives as faulty, and the re-adding them as spare.
Now the array is (logically) no longer able to start:
mdadm: Not enough devices to start the array.Degraded and can't create RAID ,auto stop RAID [md1]
I was able to examine the disks though:
Code:
root@127.0.0.1:/etc# mdadm --examine /dev/sdb2
/dev/sdb2:
Magic : a92b4efc
Version : 00.90.00
code....
Code:
mdadm --create --assume-clean --level=5 --raid-devices=4 /dev/sda2 /dev/sdb2 /dev/sdc2 /dev/sdd2
As I don't want to ruin the maybe small chance I have left to rescue my data, I would like to hear the input of this wise community.
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Dec 15, 2010
So I didn't notice when I setup my CentOS 5.5 server that I left / as RAID 0 on md1. All the rest are RAID 1. Is there a way I can modify the array to RAID 1 without a risk of data loss? I'm glad I caught this before I setup any other services. I've only setup smb so far...
[root@ftpserver ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/md1 16G 3.0G 13G 20% /
[code]....
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Jan 19, 2016
After recovery from a disk crash, everything seems fine except that I have lost plasma. I have a backup. Is there a way to reload plasma from the backup? I can recover kde by reloading /home/.kde from the backup. But there is no .plasma file.
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Aug 5, 2010
I'm a beginner + in debian (ie I know how to launch basic command under a shell), and I very new to configuration problem.I have a running perfectly file server for probably more than 2 years that I never touch. That's the debian problem, when it's unning, it's forever, no reboot at all.I recently bought 2 new sata drive 1TB5, that I add to my system by adding to my old system a SATA PCI board without any problem.But, one of these 3 month old drive is already dead.So I try to replace it and that's where problem started.....First I did a#mdadm --manage /dev/md1 --remove /dev/sdb1, of course without sucess because sdb is dead
#mdadm --detail /dev/md1
/dev/md1:
Version : 00.90.03
[code]...
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Mar 25, 2011
I have had this problem repeatedly with aptitude recently. I run Debian Squeeze but in a somewhat unusual fashion - I create a custom live image using the builder on the Debian Live website and then run the live image in persistent mode off a flash drive. For all intents and purposes this has never behaved any differently from a standard Debian install and has given me a great deal of flexibility and power, for which I'm grateful.
However there's been one strange phenomenon that keeps occurring. After a certain point - not before - aptitude stops removing dependencies when I remove packages, though in the ncurses interface the option is shown as switched on (and my .aptitude/config file does not switch it off, nor does any other configuration file that I can find, though maybe I'm missing something). This occurs even in the case of dependencies which I know cannot be depended upon by any other package. e.g. the e17 package in unstable brings in libecore, libevas etc. which are depended on only by e17 as I have no other Enlightenment packages installed. But removing e17 removes only the e17 package and not the dependencies.
The other odd thing is that this does not occur at first. Aptitude works fine for a while on a clean system. At some point though it simply changes in behaviour.
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Jan 7, 2011
I'm not sure if this is a bug in Squeeze beta 2 or if it's something I've overlooked. I have a Maxtor 250 GB external USB drive that I use for backups. It gets auto-mounted fine, always in the same place, and from my normal user account I can write to it, even delete directories on it if I want to. But when, from Gnome, I select the "Safely remove" option, I get an error to the effect that it can't stop the device. The weird thing is that the thing actually *is* unmounted. I've checked the mount point and it's no longer there.Is there some package I maybe should've installed but haven't? I'm not really worried about data loss, since I'm sure the drive wouldn't unmount unless it was properly synched; it's just the error message that bugs me.
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Apr 26, 2011
In an attempt to minimize my system when I mark for removal libcups2 using synaptic it asks to install 7 not authenticated packages, however if I choose mark for complete removal it asks to install the same 7 packages and remove every single installed package from epiphany to gimp to zenmap. Any ideas as to whats going on with that?
Squeeze 6.0.1
kernel 2.6.32-5-amd64
intel core i5
[code]...
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May 5, 2011
I have a fresh Debian install, since this install was on a desktop, I had an internet connection and didn't notice (it was late, I was half asleep) I opted to download a whole load of packages I didn't really need. I thought all was doomed until I remembered that I have done another Debian install but a week ago on a laptop, which has a nice clean install without all the bloat.
So I ran dpkg --get-selections > selections
and had it sent to my new desktop installation.
Now if I run dpkg --set-selections < selections followed by dselect-upgrade nothing happens. I assume this is because the smaller list contains all the packages 'to be installed' which already are, and all the missing packages are not being purged. Do I need to explicitly add all the packages I want to purge to the 'selection' list or is there a better way of doing it?
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Jun 12, 2011
I am an old Debian user, ho just reinstalled it again to see how it evolved since my las version (3.2). I am sharing it with Arch Linux, And decided to let bot of them. I am using GDM compiled and configured in Arch, and removed GDM2 from Debian (i just like the easy menu.list from the old GDM). The problem is that when i update the kernel, it didn't fing GDM and drops an error message. I tried removing the distro-preconfigured Kernels, as i compiled my own 3.0.0-rc2 Kerenel, but i cant delete the previous ones. Now everytime i do an install or uptgrade, apt-get drops wastes some time, and drops an error message:
[code]...
What can i do? i googled some similar errors, but where just messed up mirror.lists, or similar, i know it isnt the cause of fail.
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Dec 28, 2015
Had an issue on one of my Debian stable servers the other day. After doing apt-get upgrade I was prompted to do autotoremove.
It wanted to autotremove
Code: Select allStart-Date: 2015-12-21Â 16:25:05
Commandline: apt-get autoremove
Remove: sendmail-cf:amd64 (8.14.4-8), exim4-config:amd64 (4.84-8), sendmail-base:amd64 (8.14.4-8)
End-Date: 2015-12-21Â 16:25:07
After doing this I rebooted my server (a few days later). After rebooting I had no ipv4. I tried statically assigning IP addresses to no avail. Ran ifconfig eth0 down/up which got me nowhere. Eventually decided to ask "Okay, what changed". Started installing packages that were autoremoved. Had to install from the apt cache using dpkg. First one I tried was sendmail-base. Then did ifconfig eth0 down/up, which gave me networking back.
I have checked the dependencies for sendmail-base and I see nothing that would relate to networking, so I'm really confused on why this happened. I had backups of the server so I went a week back and noticed sendmail-base was installed at that time. So I went a day back, where sendmail-base wasn't installed, and installed it. Sure enough it brought back networking. I'm just stating this because it is more proof that sendmail-base was the missing component.
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Apr 7, 2011
I'm currently dual-booting Squeeze & Windows XP on a machine i use frequently.
In my experience on the desktop, i now see no reason to have Windows XP as a boot option, & wanted to try & avoid a full re-installation of Debian in order to remove XP (merging it's partition with / ).
I have a checklist that i put together, but wanted to be sure this was all correct before going forward.
1. Perform full back-up of all data.
2. Boot into Debian, through GUI -
System Tools > Disk Utility
- Select HDD (80GB Hard Disk)
- Select windows partition ( /dev/sda1 )
- Format /dev/sda1 to Ext4 Filsystem
3. Boot Live CD
- Use gParted to extend /dev/sda2 (was 38GB, will extend to 78GB)
4. Remove XP from the boot menu.
( Note: My ~ folder is on the same physical drive as / (same volume), but i actually store all Media on a separate physical drive which is formatted in NTFS. I plan on reinstalling XP using a virtual hard disk, & sharing that with the virtual machine.Here is a screenshot of my Disk Utility - [URL]
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Jul 16, 2015
I have a Debian testing system on a laptop that used to have Windows 8 on it. I kept the EFI boatloader and its partition, but now every time the system boots, it first tries to boot into Windows (which isn't there anymore). Removing /boot/efi/EFI/Microsoft just leads to an error message when booting, with some component of Windows still trying to load and not finding those files.
The workaround for now is to go into the UEFI boot menu on every boot and selecting the "debian" entry, which works but is a bit cumbersome.How can I get rid of the Microsoft loader completely? I find a lot about repairing or re-adding the Windows bootloader, but nothing about removing it.
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Jul 6, 2011
I'm building a Debian Live system, [URL], and I've pared it down to a very light distro. It is using the IceWM, has the basic linux commands, and very very little else.
When I run "top" and "ps aux", I see that I have multiple terminals and logins waiting to be used. It's a small amount, but I'd like to make that RAM usable elsewhere. The indicated commands are: "/bin/login -f" and "-bash", and I have one of each associated with each tty[1-7]. I may want to keep tty1 and tty2, just in case, but I can't imagine wanting 3-7.
So, what I'm looking for is a way to stop tty[3-7] from even starting in the first place.
I saw on one forum the suggestion of modifying the /etc/init/tty[1-7].conf files, but these files aren't present, I presume because it's a "Live" system.
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Mar 15, 2011
I newly installed debian squeeze with software raid. The way I did was, as also given in this thread.
- I have 2 HDD with 500 GB each. For each of them, I created 3 partitions (/boot, / and swap)
- I selected the hard drive and created a new partition table
- I created a new partition that was 1GB. I then specified to use the partition as a Physical Volume for RAID. and used for /boot and enabled bootable.
- Created another partition, which is of 480 GB, and then specified to use the partition as a Physical Volume for RAID. and used for /.
- Created another partion and used for swap
Then RAID configuration:
Through Configure RAID menu -> create MD device ->
(2 for the number of drives, 0 for spare devices)
Next select the partitions you want to be members of /dev/MD0. I selected /dev/sda1 and /dev/sdb1 (for /boot)
Next select the partitions you want to be members of /dev/MD1. I selected /dev/sda6 and /dev/sdb6 (for /)
And no RAID for swap partitions
'Finish Partitioning and write changes to disk' --> Finish the rest of the install like normal. Everything is ok now, except I am not sure how to test my raid config. When I pull the power of the HDD, it only boots from one disk. I read in some forum that I may have to install GRUB manually on the other. In Debian Squeeze, there is no grub command. Not sure how to make my software raid bootable from both disk. I configured /boot partitions of both disks to be boot=yes. Not sure whether that is ok.
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Aug 19, 2010
We've started using Debian based servers more and more in work and are getting the hang of it more and more every day. Right now I'm an ace at setting up partitions, software RAID and LVM volumes etc through the installer, but if I ever need to do the same thing once the system's up and running then I become unstuck.
Is there any way I can get to partman post-install, or any similar tools that do the same thing? Or failing that are there any simple guides to doing these things through the various command line tools?
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Aug 29, 2015
Just setup with Debian 8 (LXDE) a few weeks ago. Raid10 array was preexisting.
Was working well. After booting I would need to go to the save as then would need to enter the root password and everything would be good.
Can't access the array.
Used to use the command $ mount /dev/dm-o /home/myspace/folder under Debian 7.6 to mount the array (no longer works).
blkd lists a /dev/md0 but instead of UUID it is PTUUID
[Code] .....
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Mar 21, 2011
I have 2x 1.5TB hard disks and I'm going to buy a new 2TB drive soon. First though I just wanted to check that I could partition off the first 1/4 to 1/3 of the 2TB drive (leaving 1.5TB or more free) and install Debian to that part, then use the remainder of the disk in combination with the 2x 1.5 TB drives in RAID 5? i.e. can you mix whole drives and with partitions from other drives in RAID 5 and/or is it best to just stick with complete drives for the RAID array?I only have room for 3 drives in the small mATX case that houses my NAS device and I want to maximise storage capacity and minimise expense.
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Jun 17, 2011
OK as a recent Windows to Ubuntu convert I made a stupid mistake and now would now like to recover my OS, particularly my files.I had happily been running Ubuntu 10.10 but then used Synaptic to remove Python 2.6 (I was having trouble running Python 2.5 with both installed), I selected to remove Python and all it's dependencies (a bad move as I realise now, as it was quite a dependency list in the end!).
I was left with a semi functional desktop, some things worked but many things were broken / unavailable, neither Synaptic or even Terminal would work to situation.I tried rebooting in the forlorn hope that I would get some recovery options, but it would not boot, boot starts, gets to grub (top left flashing cursor), then that disappears and I am presented with a black screen and nothing then happens. If I then do a hard power down the screen very briefly shows some text (something like enter password) as it shuts down.
Subsequent boot ups just do the same thing. If I boot with an installation disk and move forward to the partition step the original partition is shown as in tact.So, my main question is, is there a way of recovering my OS without the use of low level disk recovery utils (which may be a bit painful and long winded). e.g. what happens if I install 'over the top' of my original installation, will my file system be in tact
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Sep 19, 2014
I am running a 14 disk RAID 6 on mdadm behind 2 LSI SAS2008's in JBOD mode (no HW raid) on Debian 7 in BIOS legacy mode.
Grub2 is dropping to a rescue shell complaining that "no such device" exists for "mduuid/b1c40379914e5d18dddb893b4dc5a28f".
Output from mdadm:
Code: Select all  # mdadm -D /dev/md0
  /dev/md0:
      Version : 1.2
   Creation Time : Wed Nov 7 17:06:02 2012
     Raid Level : raid6
     Array Size : 35160446976 (33531.62 GiB 36004.30 GB)
   Used Dev Size : 2930037248 (2794.30 GiB 3000.36 GB)
    Raid Devices : 14
[Code] ....
Output from blkid:
Code: Select all  # blkid
  /dev/md0: UUID="2c61b08d-cb1f-4c2c-8ce0-eaea15af32fb" TYPE="xfs"
  /dev/md/0: UUID="2c61b08d-cb1f-4c2c-8ce0-eaea15af32fb" TYPE="xfs"
  /dev/sdd2: UUID="b1c40379-914e-5d18-dddb-893b4dc5a28f" UUID_SUB="09a00673-c9c1-dc15-b792-f0226016a8a6" LABEL="media:0" TYPE="linux_raid_member"
[Code] ....
The UUID for md0 is `2c61b08d-cb1f-4c2c-8ce0-eaea15af32fb` so I do not understand why grub insists on looking for `b1c40379914e5d18dddb893b4dc5a28f`.
**Here is the output from `bootinfoscript` 0.61. This contains alot of detailed information, and I couldn't find anything wrong with any of it: [URL] .....
During the grub rescue an `ls` shows the member disks and also shows `(md/0)` but if I try an `ls (md/0)` I get an unknown disk error. Trying an `ls` on any member device results in unknown filesystem. The filesystem on the md0 is XFS, and I assume the unknown filesystem is normal if its trying to read an individual disk instead of md0.
I have come close to losing my mind over this, I've tried uninstalling and reinstalling grub numerous times, `update-initramfs -u -k all` numerous times, `update-grub` numerous times, `grub-install` numerous times to all member disks without error, etc.
I even tried manually editing `grub.cfg` to replace all instances of `mduuid/b1c40379914e5d18dddb893b4dc5a28f` with `(md/0)` and then re-install grub, but the exact same error of no such device mduuid/b1c40379914e5d18dddb893b4dc5a28f still happened.
[URL] ....
One thing I noticed is it is only showing half the disks. I am not sure if this matters or is important or not, but one theory would be because there are two LSI cards physically in the machine.
This last screenshot was shown after I specifically altered grub.cfg to replace all instances of `mduuid/b1c40379914e5d18dddb893b4dc5a28f` with `mduuid/2c61b08d-cb1f-4c2c-8ce0-eaea15af32fb` and then re-ran grub-install on all member drives. Where it is getting this old b1c* address I have no clue.
I even tried installing a SATA drive on /dev/sda, outside of the array, and installing grub on it and booting from it. Still, same identical error.
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Feb 11, 2011
I have 2 identical disks originally configured as a pair for a server. Each of the disks has 2 partitions dev/sdb1,dev/sdb2. The sdb1 partitions I had configured as a raid1 mirror. The sdb2 partitions were non-raid and used as extra misc. Space. Further, the raid setup is also encrypted using dm-crypt luks. Now I want to redeploy each of the disks for new purposes. One of the disks i want to deploy exactly as before (keeping the partitions and content), however without being part of a raid array.
I've successfully deployed this disk into a new system and I am mounting the dev/sdb1 partition as dev/md0 because the disk is set to autodetect raid. Actually I am using cryptsetup and mounting with mapper. Can I get rid of the setting for auto detect on this partition without losing the data, or breaking the encryption? I just want to mount the partition as a standalone encrypted disk. Is it as simple as doing crypt setup luksOpen /dev/sdb1 then mounting it with mapper? Or do I need to change the partition in some way. Or do I simply continue to operate it as a 'broken' raid array?
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Mar 4, 2010
I'm trying to do some RAID managing with mdadm. I would like to sync my spare disk and then remove it from the array for making a backup out of it with dd command (the best way i can think of to get the current image of the whole system as it can't be done using the active RAID as source, because is constantly in use and changing). So, I have RAID1 array with 1 spare and 2 active disks (configuration listed below). Now I would like to force spare to sync and then remove it from array, although not faulty.
However, mdadm man page states:
"Devices can only be removed from an array if they are not in active use. i.e. that must be spares or failed devices. To remove an active device, it must be marked as faulty first."
So, I'd have to mark a disk as faulty (which it is not) to be able to remove it from array. There seems to be several people reporting that they can't remove this faulty flag accidentally given to a drive. And mdadm does not give direct for such operation. Isn't there a way I could remove and add disks whenever feeling like it?? One way would be open the cover and physically remove the disk. I'm not taking the risk, though. System is almost always in use, so there is not much chance for me to power off for temporary disk removal.
RAID CONFIGURATION:
~# mdadm --detail /dev/md0
/dev/md0:
Version : 00.90.03
Creation Time : Fri Aug 4 17:38:26 2006
Raid Level : raid1
Array Size : 238950720 (227.88 GiB 244.69 GB)
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Mar 24, 2011
If you want, skip straight to the 'QUESTION' at the end of my post & refer to the 'EXPLANATION' later. EXPLANATION: Using Debian 6.01 Squeeze 64-bit. Just put together a brand new 3.3Ghz 6-core AMD. I had a nightmare with my Highpoint 640 raid controller, apparently because Debian Squeeze now handles raid through sysfs rather than /proc/scsi. The solution to this, of course, is to recompile the kernel with the appropriate module for /proc/scsi support. So I thought "screw that" and I've yanked out the raid card & went with Debians software raid. This allowed me to basically complete my mission. The raid is totally up and running, except for one final step... I can't get the raid to automount at boot.
My hardware setup;
- Debian is running totally on a 64Gb SSD. (sda)
- I have 3x 2Tb hard drives used for storage on a raid 1 array (sdc,sdd,sde)
[Code]....
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Jul 2, 2011
New to linux in general and am having issues on setting up a Raid 1 array for two disks on an HP Proliant Microserver which I am looking to be accessible from my windows PC. I have installed the latest version of debian succesfully on a 250GB disk that came with the server. I have added 2 2TB disks which I would like to have in a RAID 1 array and to have visible from windows to store music/videos etc on. I have managed to partition the two disks to FAT32 (which I think is best) and have managed to configure the array so that it shows as active when I use cat /proc/mdstat. I have been following the steps in this article [URl]... squeeze-p2 and trying to adapt it to my situation.
I am stuck on the step to create the file systems using the mkfs command. I try mkfs.vfat /dev/md0 and it comes up with the error mkfs.vfat: command not found. I have tried mkfs -t vfat /dev/md0 and it give the error "mkfs.vfat: No such file or directory" So my question is how can I continue with the process of setting up the array? Or maybe I should be asking is it possible to set up an array with FAT32 formatted disks?
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Nov 26, 2015
I'm having issues with a RAID array.
Setup is like this:
Debian Jessie, 2 hard disks, each having 2 partitions: /dev/sda1, /dev/sda2, /dev/sdb1, /dev/sdb2. Partitions were paired during installation, so they form /dev/md0 and /dev/md1. /dev/md0 is the root (/) partition, /dev/md1 is for /home.
At the end of the install process, I chose /dev/sda1 to carry Grub. And I think this is where I screwed things up.
After removing one of the hard drives, there was no boot capability. So, I installed Grub on /dev/sdb, too.
Now it displays the boot menu but cannot find the kernel. This is where I got lost in the process.
Do I need to reinstall the OS or is there a way to fix it? I suppose I have to edit Grub.
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Mar 13, 2010
I just expanded my raid 5 array from 3*2TB to 4*2TB and mdadm made the grow successfully and shows an md0 dev with the size of 6TB usable data. Now my problem is that Debian (Lenny) dosn´t show the right amount. See below
######### MDADM DETAILS OF ARRAY ##########
> mdadm --detail /dev/md0
/dev/md0:
Version : 0.90
Creation Time : Mon Dec 14 22:30:46 2009
Raid Level : raid5
[Code].....
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Mar 29, 2010
Have my proxy running on Lenny and tried to upgrade to squeeze. Originally the system was installed on Etch and upgrading to Lenny was no problem. In the system i have two RAID1 volumes, md0 for / and md1 for /home. For upgrading i added the sources to my apt.conf and startet dist-upgrade. During the installation procedure, when installing udev I was advised to install the new kernel first and continue upgrade after booting the kernel. so I installed the kernel by "apt-get install linux-image-2.6-686. When generating initramfs there was a message, that there are no arrays defined in /etc/mdadm/mdadm.conf I took a look and there were none. mdadm seems to have been update before.
I then added the lines for RAID definition and added the data for UUID The UUID I got from the output of "mdadm --detail /dev/md0"
What I don't understand: blkid gives the same UUIDs for the first partitions of the RAID and a different UUID for /dev/md0 and /dev/md1 than mdadm --detail The update of initramfs for kernel 2.6.32 then gives this result:
update-initramfs -u -k 2.6.32-3-686
update-initramfs: Generating /boot/initrd.img-2.6.32-3-686
W: Possible missing firmware /lib/firmware/e100/d102e_ucode.bin for module e100
W: Possible missing firmware /lib/firmware/e100/d101s_ucode.bin for module e100
[code].....
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