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| == Altes RAID ==
| | '''Speicherboy''' |
| <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
| | == Beschreibung == |
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| Update Time : Sun Mar 9 10:40:08 2025
| | <noinclude> |
| State : clean
| | == Anhang == |
| Active Devices : 5
| | === Siehe auch === |
| Working Devices : 5
| | {{Special:PrefixIndex/{{BASEPAGENAME}}/}} |
| Failed Devices : 0
| | ==== Links ==== |
| Spare Devices : 0
| | ===== Weblinks ===== |
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| Layout : left-symmetric
| | [[Kategorie:Speicherboy]] |
| Chunk Size : 128K
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|
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| Consistency Policy : bitmap
| | </noinclude> |
| | |
| 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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| | |
| Zwei platten auf faulty setzen und 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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| | |
| RAID stoppen
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| <syntaxhighlight lang="bash" highlight="1" line>
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| sudo mdadm -S /dev/md2
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| # mdadm -A /dev/md2
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| </syntaxhighlight>
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| | |
| Platten auswählen (3 /dev/sdd2/4 /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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| | |
| 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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| <syntaxhighlight lang="bash" highlight="1" 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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|
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| unused devices: <none>
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| </syntaxhighlight>
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| | |
| == Neues RAID ==
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| Zwei Platten
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| === Anschließen ===
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| === Identifizieren ===
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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/sda:
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| Serial Number: ZR15Q1Y0
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| /dev/sdb:
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| Serial Number: ZR15PPMN
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| /dev/sdc:
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| Serial Number: WD-WCAZA5453665
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| /dev/sdd:
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| Serial Number: WD-WMC4N0252662
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| /dev/sde:
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| Serial Number: 184271802787
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| /dev/sdf:
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| Serial Number: WD-WMC4M0D7KR69
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| </syntaxhighlight>
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| === Beschriften ===
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| === Partitionieren ===
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| <syntaxhighlight lang="bash" highlight="1" line>
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| </syntaxhighlight>
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| == Neues RAID ==
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| RAID 6 mit zwei platten ''missing'' erstellen
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| <syntaxhighlight lang="bash" highlight="1" line>
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| sudo mdadm --create --verbose /dev/md3 --level=6 --raid-devices=4 /dev/sda /dev/sdb missing missing
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| </syntaxhighlight>
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| | |
| === Dateisystem anlegen ===
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| sudo mkfs -t ext4 /dev/md3
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| === Daten kopieren ===
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| <syntaxhighlight lang="bash" highlight="1" line>
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| rsync -au --progress --stats /home/michael/* /mnt/
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| </syntaxhighlight> | |
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| === Überwachung ===
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| CONFIG_TASK_DELAY_ACCT and kernel.task_delayacct sysctl not enabled in kernel, cannot determine SWAPIN and IO %
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