LinuxQuestions.org
Download your favorite Linux distribution at LQ ISO.
Go Back   LinuxQuestions.org > Forums > Linux Forums > Linux - Hardware
User Name
Password
Linux - Hardware This forum is for Hardware issues.
Having trouble installing a piece of hardware? Want to know if that peripheral is compatible with Linux?

Notices


Reply
  Search this Thread
Old 03-23-2016, 06:00 PM   #1
enNu9WJf3
LQ Newbie
 
Registered: Mar 2016
Posts: 2

Rep: Reputation: Disabled
FakeRAID 1 on Fedora problem


Hi All,

Trying to correctly configure software RAID1
(FakeRaid) (two mirrored hard drives) on motherboard ASUS H97M-PLUS.

I have selected RAID in BIOS settings, rebooted, when prompted clicked CTR+I, configured two identical hard drives in system as mirrored RAID 1.
After that I had problem with running Fedora 23 (because I have separate disk for system), but I have made some changes configuration in BIOS and Fedora 23 run ok.

After starting the system, I have checked:
Code:
fdisk -l

Dysk /dev/sda: 465,8 GiB, bajtów: 500107862016, sektorów: 976773168
Jednostki: sektorów, czyli 1 * 512 = 512 bajtów
Rozmiar sektora (logiczny/fizyczny) w bajtach: 512 / 512
Rozmiar we/wy (minimalny/optymalny) w bajtach: 512 / 512
Typ etykiety dysku: gpt
Identyfikator dysku: 657C5CA6-0EE3-4ABB-8CBA-E34F31DF3A2B

Urządzenie Początek    Koniec   Sektory Rozmiar Typ
/dev/sda1      2048    411647    409600    200M System EFI
/dev/sda2    411648   1435647   1024000    500M Linux - system plików
/dev/sda3   1435648 976773119 975337472  465,1G Linux LVM


Dysk /dev/sdb: 2,7 TiB, bajtów: 3000592982016, sektorów: 5860533168
Jednostki: sektorów, czyli 1 * 512 = 512 bajtów
Rozmiar sektora (logiczny/fizyczny) w bajtach: 512 / 4096
Rozmiar we/wy (minimalny/optymalny) w bajtach: 4096 / 4096


Dysk /dev/sdc: 2,7 TiB, bajtów: 3000592982016, sektorów: 5860533168
Jednostki: sektorów, czyli 1 * 512 = 512 bajtów
Rozmiar sektora (logiczny/fizyczny) w bajtach: 512 / 4096
Rozmiar we/wy (minimalny/optymalny) w bajtach: 4096 / 4096


Dysk /dev/mapper/fedora_htpc-root: 50 GiB, bajtów: 53687091200, sektorów: 104857600
Jednostki: sektorów, czyli 1 * 512 = 512 bajtów
Rozmiar sektora (logiczny/fizyczny) w bajtach: 512 / 512
Rozmiar we/wy (minimalny/optymalny) w bajtach: 512 / 512


Dysk /dev/mapper/fedora_htpc-swap: 7,8 GiB, bajtów: 8321499136, sektorów: 16252928
Jednostki: sektorów, czyli 1 * 512 = 512 bajtów
Rozmiar sektora (logiczny/fizyczny) w bajtach: 512 / 512
Rozmiar we/wy (minimalny/optymalny) w bajtach: 512 / 512


Dysk /dev/md126: 2,7 TiB, bajtów: 3000590401536, sektorów: 5860528128
Jednostki: sektorów, czyli 1 * 512 = 512 bajtów
Rozmiar sektora (logiczny/fizyczny) w bajtach: 512 / 4096
Rozmiar we/wy (minimalny/optymalny) w bajtach: 4096 / 4096


Dysk /dev/mapper/fedora_htpc-home: 407,3 GiB, bajtów: 437356855296, sektorów: 854212608
Jednostki: sektorów, czyli 1 * 512 = 512 bajtów
Rozmiar sektora (logiczny/fizyczny) w bajtach: 512 / 512
Rozmiar we/wy (minimalny/optymalny) w bajtach: 512 / 512
Code:
cat /proc/mdstat

Personalities : [raid1]
md126 : active raid1 sdb[1] sdc[0]
      2930264064 blocks super external:/md127/0 [2/2] [UU]
      [=========>...........]  resync = 46.0% (1349019072/2930264196) finish=214.2min speed=123020K/sec

md127 : inactive sdb[1](S) sdc[0](S)
      4776 blocks super external:imsm

unused devices: <none>
Code:
mdadm --detail /dev/md126

/dev/md126:
      Container : /dev/md/imsm0, member 0
     Raid Level : raid1
     Array Size : 2930264064 (2794.52 GiB 3000.59 GB)
  Used Dev Size : 2930264196 (2794.52 GiB 3000.59 GB)
   Raid Devices : 2
  Total Devices : 2

          State : clean, resyncing
 Active Devices : 2
Working Devices : 2
 Failed Devices : 0
  Spare Devices : 0

  Resync Status : 46% complete


           UUID : 5fd3598a:ff6cb6ee:813fb9fc:9e0291c9
    Number   Major   Minor   RaidDevice State
       1       8       16        0      active sync   /dev/sdb
       0       8       32        1      active sync   /dev/sdc
Code:
mdadm --examine /dev/sdb

/dev/sdb:
          Magic : Intel Raid ISM Cfg Sig.
        Version : 1.3.00
    Orig Family : 8f798963
         Family : 8f798963
     Generation : 00000023
     Attributes : All supported
           UUID : 1168397c:7c540c76:c8bbd2a4:ec86ab84
       Checksum : d5bd3a57 correct
    MPB Sectors : 2
          Disks : 2
   RAID Devices : 1

  Disk00 Serial : WD-WCC4N7XUAJ6V
          State : active
             Id : 00000002
    Usable Size : 5860528392 (2794.52 GiB 3000.59 GB)

[Volume1]:
           UUID : 5fd3598a:ff6cb6ee:813fb9fc:9e0291c9
     RAID Level : 1 <-- 1
        Members : 2 <-- 2
          Slots : [UU] <-- [UU]
    Failed disk : none
      This Slot : 0
     Array Size : 5860528128 (2794.52 GiB 3000.59 GB)
   Per Dev Size : 5860528392 (2794.52 GiB 3000.59 GB)
  Sector Offset : 0
    Num Stripes : 22892688
     Chunk Size : 64 KiB <-- 64 KiB
       Reserved : 0
  Migrate State : initialize
      Map State : normal <-- uninitialized
     Checkpoint : 5114535 (512)
    Dirty State : clean

  Disk01 Serial : WD-WCC4N7XUA77D
          State : active
             Id : 00000004
    Usable Size : 5860528392 (2794.52 GiB 3000.59 GB)
Code:
mdadm --examine /dev/sdc

/dev/sdc:
          Magic : Intel Raid ISM Cfg Sig.
        Version : 1.3.00
    Orig Family : 8f798963
         Family : 8f798963
     Generation : 00000023
     Attributes : All supported
           UUID : 1168397c:7c540c76:c8bbd2a4:ec86ab84
       Checksum : d5bd3a57 correct
    MPB Sectors : 2
          Disks : 2
   RAID Devices : 1

  Disk01 Serial : WD-WCC4N7XUA77D
          State : active
             Id : 00000004
    Usable Size : 5860528392 (2794.52 GiB 3000.59 GB)

[Volume1]:
           UUID : 5fd3598a:ff6cb6ee:813fb9fc:9e0291c9
     RAID Level : 1 <-- 1
        Members : 2 <-- 2
          Slots : [UU] <-- [UU]
    Failed disk : none
      This Slot : 1
     Array Size : 5860528128 (2794.52 GiB 3000.59 GB)
   Per Dev Size : 5860528392 (2794.52 GiB 3000.59 GB)
  Sector Offset : 0
    Num Stripes : 22892688
     Chunk Size : 64 KiB <-- 64 KiB
       Reserved : 0
  Migrate State : initialize
      Map State : normal <-- uninitialized
     Checkpoint : 5114535 (512)
    Dirty State : clean

  Disk00 Serial : WD-WCC4N7XUAJ6V
          State : active
             Id : 00000002
    Usable Size : 5860528392 (2794.52 GiB 3000.59 GB)
Code:
mdadm --examine --scan

ARRAY metadata=imsm UUID=1168397c:7c540c76:c8bbd2a4:ec86ab84
ARRAY /dev/md/Volume1 container=1168397c:7c540c76:c8bbd2a4:ec86ab84 member=0 UUID=5fd3598a:ff6cb6ee:813fb9fc:9e0291c9
Code:
mdadm --detail-platform

       Platform : Intel(R) Rapid Storage Technology
        Version : 13.0.0.2075
    RAID Levels : raid0 raid1 raid10 raid5
    Chunk Sizes : 4k 8k 16k 32k 64k 128k
    2TB volumes : supported
      2TB disks : supported
      Max Disks : 6
    Max Volumes : 2 per array, 4 per controller
 I/O Controller : /sys/devices/pci0000:00/0000:00:1f.2 (SATA)
          Port1 : /dev/sda (6VEJHGG0)
          Port2 : /dev/sdb (WD-WCC4N7XUAJ6V)
          Port4 : /dev/sdc (WD-WCC4N7XUA77D)
          Port0 : - no device attached -
          Port3 : - no device attached -
          Port5 : - no device attached -
Code:
dmraid -r

/dev/sdc: isw, "isw_ceahbagjbf", GROUP, ok, 5860533165 sectors, data@ 0
/dev/sdb: isw, "isw_ceahbagjbf", GROUP, ok, 5860533165 sectors, data@ 0
Code:
dmraid -s

*** Group superset isw_ceahbagjbf
--> Subset
name   : isw_ceahbagjbf_Volume1
size   : 1565560832
stride : 128
type   : mirror
status : ok
subsets: 0
devs   : 2
spares : 0
Code:
lsblk

NAME                 MAJ:MIN RM   SIZE RO TYPE  MOUNTPOINT
sda                    8:0    0 465,8G  0 disk
├─sda1                 8:1    0   200M  0 part  /boot/efi
├─sda2                 8:2    0   500M  0 part  /boot
└─sda3                 8:3    0 465,1G  0 part
  ├─fedora_htpc-root 253:0    0    50G  0 lvm   /
  ├─fedora_htpc-swap 253:1    0   7,8G  0 lvm   [SWAP]
  └─fedora_htpc-home 253:2    0 407,3G  0 lvm   /home
sdb                    8:16   0   2,7T  0 disk
└─md126                9:126  0   2,7T  0 raid1
sdc                    8:32   0   2,7T  0 disk
└─md126                9:126  0   2,7T  0 raid1
The problem is that I do not know what to do next. Should I create partitions on /dev/sdb and /dev/sdc. And Should I create partitions on /dev/md126 and mout and copy files and all files will saves on both devices.

I did not configure RAID in Fedora, all these was activated after I changed RAID in BIOS.
 
Old 03-23-2016, 08:12 PM   #2
syg00
LQ Veteran
 
Registered: Aug 2003
Location: Australia
Distribution: Lots ...
Posts: 21,103

Rep: Reputation: 4117Reputation: 4117Reputation: 4117Reputation: 4117Reputation: 4117Reputation: 4117Reputation: 4117Reputation: 4117Reputation: 4117Reputation: 4117Reputation: 4117
I would suggest some time spent on Linux_Raid would be beneficial.
You have plenty of time - keep an eye on mdstat; leave everything alone until that resync finishes.

It's not really fakeraid in the classic sense - this is Intels attempt. The wiki has a little on it, else search on "imsm Intel".
To answer your question, probably best to create a LVM pv on md126 so you can create lvs at will. Again, the wiki is the place to start.

BTW, my Polish is non-existent, so English on the messages would help.

Last edited by syg00; 03-23-2016 at 08:14 PM. Reason: BTW
 
Old 04-11-2016, 07:48 AM   #3
enNu9WJf3
LQ Newbie
 
Registered: Mar 2016
Posts: 2

Original Poster
Rep: Reputation: Disabled
Everything works correctly, created a file system solved the problem.
After connecting drive to another PC on both drives I've seen the same files.
 
  


Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off



Similar Threads
Thread Thread Starter Forum Replies Last Post
Booting from RAID under fakeraid. Agena Linux - Newbie 1 04-23-2013 07:37 PM
Slackware 14.0 : Problem (and solution) with Intel FakeRAID MDPI314 Slackware 2 10-10-2012 10:04 PM
fakeRAID with 10th partition = problem! Newzat Linux - Laptop and Netbook 0 10-25-2011 06:48 AM
Another FakeRaid question Quakeboy02 Linux - Kernel 6 03-07-2007 04:57 AM

LinuxQuestions.org > Forums > Linux Forums > Linux - Hardware

All times are GMT -5. The time now is 10:46 AM.

Main Menu
Advertisement
My LQ
Write for LQ
LinuxQuestions.org is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
Syndicate
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
Open Source Consulting | Domain Registration