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| == Vorbereitung == | | == Vorbereitung == |
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| == Bestehendes RAID ==
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| === Informationen anzeigen ===
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| <syntaxhighlight lang="bash" highlight="1" line>
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| sudo mdadm --detail /dev/md2
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| /dev/md2:
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| Version : 1.0
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| Creation Time : Fri Jul 8 20:55:13 2011
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| Raid Level : raid6
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| Array Size : 5797625088 (5.40 TiB 5.94 TB)
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| Used Dev Size : 1932541696 (1843.02 GiB 1978.92 GB)
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| Raid Devices : 5
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| Total Devices : 5
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| Persistence : Superblock is persistent
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| Intent Bitmap : Internal
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| Update Time : Sun Mar 9 10:40:08 2025
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| State : clean
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| Active Devices : 5
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| Working Devices : 5
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| Failed Devices : 0
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| Spare Devices : 0
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| Layout : left-symmetric
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| Chunk Size : 128K
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| Consistency Policy : bitmap
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| Name : speicherboy:2 (local to host speicherboy)
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| UUID : 9827dac2:c5f2da90:3b95e739:fe0493f1
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| Events : 160984
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| Number Major Minor RaidDevice State
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| 4 8 34 0 active sync /dev/sdc2
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| 7 8 66 1 active sync /dev/sde2
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| 6 8 2 2 active sync /dev/sda2
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| 8 8 50 3 active sync /dev/sdd2
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| 5 8 18 4 active sync /dev/sdb2
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| </syntaxhighlight>
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|
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| === Datenträger auf faulty setzen ===
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| <syntaxhighlight lang="bash" highlight="1" line>
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| sudo mdadm /dev/md2 --fail /dev/sdXY
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| </syntaxhighlight>
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|
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| === Datenträger entfernen ===
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| <syntaxhighlight lang="bash" highlight="1" line>
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| sudo mdadm /dev/md2 --fail /dev/sdXY
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| </syntaxhighlight>
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| ; Remove
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| <syntaxhighlight lang="bash" highlight="1,2,4,7,10" line>
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| sudo mdadm /dev/md2 --remove /dev/sdd2
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| sudo mdadm /dev/md2 --remove /dev/sdb2
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| sudo mdadm /dev/md2 --fail /dev/sdd2
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| mdadm: set /dev/sdd2 faulty in /dev/md2
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| sudo mdadm /dev/md2 --remove /dev/sdd2
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| mdadm: hot removed /dev/sdd2 from /dev/md2
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| sudo mdadm --detail /dev/md2
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| /dev/md2:
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| Version : 1.0
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| Creation Time : Fri Jul 8 20:55:13 2011
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| Raid Level : raid6
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| Array Size : 5797625088 (5.40 TiB 5.94 TB)
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| Used Dev Size : 1932541696 (1843.02 GiB 1978.92 GB)
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| Raid Devices : 5
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| Total Devices : 4
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| Persistence : Superblock is persistent
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| Intent Bitmap : Internal
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| Update Time : Sun Mar 9 11:31:05 2025
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| State : clean, degraded
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| Active Devices : 4
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| Working Devices : 4
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| Failed Devices : 0
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| Spare Devices : 0
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| Layout : left-symmetric
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| Chunk Size : 128K
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| Consistency Policy : bitmap
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| Name : speicherboy:2 (local to host speicherboy)
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| UUID : 9827dac2:c5f2da90:3b95e739:fe0493f1
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| Events : 160986
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| Number Major Minor RaidDevice State
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| 4 8 34 0 active sync /dev/sdc2
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| 7 8 66 1 active sync /dev/sde2
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| 6 8 2 2 active sync /dev/sda2
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| - 0 0 3 removed
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| 5 8 18 4 active sync /dev/sdb2
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| </syntaxhighlight>
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| <syntaxhighlight lang="bash" highlight="1" line>
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| sudo cat /proc/mdstat
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| Personalities : [raid6] [raid5] [raid4] [linear] [multipath] [raid0] [raid1] [raid10]
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| md2 : active raid6 sda2[6] sdb2[4] sdd2[7]
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| 5797625088 blocks super 1.0 level 6, 128k chunk, algorithm 2 [5/3] [UUU__]
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| bitmap: 1/15 pages [4KB], 65536KB chunk
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| unused devices: <none>
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| </syntaxhighlight>
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|
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| === Starten/Stoppen ===
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| <syntaxhighlight lang="bash" highlight="1" line>
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| sudo mdadm -A /dev/md2 # Start
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| sudo mdadm -S /dev/md2 # Stop
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| </syntaxhighlight>
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|
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| === Datentäger auswählen ===
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| * 3 /dev/sdd2/
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| * 4 /dev/sdb2
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| <syntaxhighlight lang="bash" highlight="1" line>
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| sudo mdadm --detail /dev/md2
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| 8 8 50 3 active sync /dev/sdd2
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| 5 8 18 4 active sync /dev/sdb2
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| </syntaxhighlight>
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|
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| === Seriennummern ermitteln ===
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| <syntaxhighlight lang="bash" highlight="1" line>
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| sudo hdparm -I /dev/sd? | grep -E '(Serial Number|/dev/)'
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| /dev/sdd: Serial Number: WD-WCAZA5427816
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| /dev/sdb: Serial Number: WD-WCAZA5466697
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| </syntaxhighlight>
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| == Neues RAID == | | == Neues RAID == |
Speicherboy/RAID
RAID-Upgrade
- Umgebung
- Vorbereitung
- Bestehendes RAID
- Neues RAID
Umgebung
Vorbereitung
Neues RAID
Zwei Platten anschließen
Identifizieren
sudo hdparm -I /dev/sd? | grep -E '(Serial Number|/dev/)'
/dev/sda:
Serial Number: ZR15Q1Y0
/dev/sdb:
Serial Number: ZR15PPMN
/dev/sdc:
Serial Number: WD-WCAZA5453665
/dev/sdd:
Serial Number: WD-WMC4N0252662
/dev/sde:
Serial Number: 184271802787
/dev/sdf:
Serial Number: WD-WMC4M0D7KR69
Beschriften
Partitionieren
sudo fdisk /dev/sdX1
Sektoren: 10000-15628050000
RAID 6 erstellen
RAID 6 mit zwei platten missing erstellen
sudo mdadm --create --verbose /dev/md3 --level=6 --raid-devices=4 /dev/sda /dev/sdb missing missing
Dateisystem anlegen
sudo mkfs -t ext4 /dev/md3
Daten kopieren
sudo rsync \
-au \
--progress \
--stats \
/home/michael/* \
/mnt/
siehe
Überwachung
CONFIG_TASK_DELAY_ACCT and kernel.task_delayacct sysctl not enabled in kernel, cannot determine SWAPIN and IO %
Anhang
Siehe auch
Links
Weblinks