Hallo zusammen,
ich habe zwischen den Jahren meinen Server mit zwei weiteren Festplatten aufgerüstet.
Nachdem er jetzt ein paar Tage offline war habe ich ihn gerade wieder gestartet.
Leider kam das Software-RAID /dev/md0 dabei nicht mehr hoch. ☹
Ich habe bemerkt, dass lsblk nun md0 nicht mehr unterhalb der Partitionen des RAIDs anzeigt, so wie es das bisher getan hat.
Vermutlich logischerweise zeigt mir daher auch sudo mdadm --detail /dev/md0 nichts mehr vernünftiges an:
mdadm: md device /dev/md0 does not appear to be active.
Hier die Ausgabe von cat /proc/mdstat:
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md0 : inactive sdc1[0](S) sde1[3](S) sdb[2](S) 1465150488 blocks super 1.2 unused devices: <none>
In der /var/log/kern.log habe ich mit cat /var/log/kern.log | grep raid folgendes gefunden:
Dec 30 10:08:54 Ubuntu-Server kernel: [ 2.504766] md: raid0 personality registered for level 0 Dec 30 10:08:54 Ubuntu-Server kernel: [ 2.545780] md: raid1 personality registered for level 1 Dec 30 10:08:54 Ubuntu-Server kernel: [ 2.796003] raid6: mmxx1 4066 MB/s Dec 30 10:08:54 Ubuntu-Server kernel: [ 2.872013] raid6: mmxx2 4661 MB/s Dec 30 10:08:54 Ubuntu-Server kernel: [ 2.948022] raid6: sse1x1 2782 MB/s Dec 30 10:08:54 Ubuntu-Server kernel: [ 3.024014] raid6: sse1x2 3537 MB/s Dec 30 10:08:54 Ubuntu-Server kernel: [ 3.100007] raid6: sse2x1 5074 MB/s Dec 30 10:08:54 Ubuntu-Server kernel: [ 3.176011] raid6: sse2x2 5595 MB/s Dec 30 10:08:54 Ubuntu-Server kernel: [ 3.186857] raid6: using algorithm sse2x2 (5595 MB/s) Dec 30 10:08:54 Ubuntu-Server kernel: [ 3.197839] raid6: using ssse3x1 recovery algorithm Dec 30 10:08:54 Ubuntu-Server kernel: [ 3.412034] md: raid6 personality registered for level 6 Dec 30 10:08:54 Ubuntu-Server kernel: [ 3.423943] md: raid5 personality registered for level 5 Dec 30 10:08:54 Ubuntu-Server kernel: [ 3.435728] md: raid4 personality registered for level 4 Dec 30 10:08:54 Ubuntu-Server kernel: [ 3.454535] md: raid10 personality registered for level 10 Dec 30 10:08:54 Ubuntu-Server kernel: [ 9.160651] md/raid:md0: device sde1 operational as raid disk 2 Dec 30 10:08:54 Ubuntu-Server kernel: [ 9.160653] md/raid:md0: device sdb1 operational as raid disk 0 Dec 30 10:08:54 Ubuntu-Server kernel: [ 9.160654] md/raid:md0: device sdc operational as raid disk 1 Dec 30 10:08:54 Ubuntu-Server kernel: [ 9.160930] md/raid:md0: allocated 0kB Dec 30 10:08:54 Ubuntu-Server kernel: [ 9.161215] md/raid:md0: raid level 5 active with 3 out of 3 devices, algorithm 2 Jan 8 18:19:06 Ubuntu-Server kernel: [ 2.773386] md: raid0 personality registered for level 0 Jan 8 18:19:06 Ubuntu-Server kernel: [ 2.778167] md: raid1 personality registered for level 1 Jan 8 18:19:06 Ubuntu-Server kernel: [ 2.848011] raid6: mmxx1 4011 MB/s Jan 8 18:19:06 Ubuntu-Server kernel: [ 2.916005] raid6: mmxx2 4509 MB/s Jan 8 18:19:06 Ubuntu-Server kernel: [ 2.984006] raid6: sse1x1 2484 MB/s Jan 8 18:19:06 Ubuntu-Server kernel: [ 3.052005] raid6: sse1x2 3314 MB/s Jan 8 18:19:06 Ubuntu-Server kernel: [ 3.120011] raid6: sse2x1 4918 MB/s Jan 8 18:19:06 Ubuntu-Server kernel: [ 3.188006] raid6: sse2x2 5573 MB/s Jan 8 18:19:06 Ubuntu-Server kernel: [ 3.188043] raid6: using algorithm sse2x2 (5573 MB/s) Jan 8 18:19:06 Ubuntu-Server kernel: [ 3.188081] raid6: using ssse3x1 recovery algorithm Jan 8 18:19:06 Ubuntu-Server kernel: [ 3.288399] md: raid6 personality registered for level 6 Jan 8 18:19:06 Ubuntu-Server kernel: [ 3.288439] md: raid5 personality registered for level 5 Jan 8 18:19:06 Ubuntu-Server kernel: [ 3.288477] md: raid4 personality registered for level 4 Jan 8 18:19:06 Ubuntu-Server kernel: [ 3.295483] md: raid10 personality registered for level 10
Meine /etc/mdadm/mdadm.conf sieht so aus:
# mdadm.conf # # Please refer to mdadm.conf(5) for information about this file. # # by default (built-in), scan all partitions (/proc/partitions) and all # containers for MD superblocks. alternatively, specify devices to scan, using # wildcards if desired. #DEVICE partitions containers # auto-create devices with Debian standard permissions CREATE owner=root group=disk mode=0660 auto=yes # automatically tag new arrays as belonging to the local system HOMEHOST <system> # instruct the monitoring daemon where to send mail alerts MAILADDR root # definitions of existing MD arrays ARRAY /dev/md/0 metadata=1.2 UUID=abdefbd5:7657647e:c7a2472d:def27c09 name=Ubuntu-server:0 # This file was auto-generated on Wed, 01 Jan 2014 22:31:59 +0100 # by mkconf $Id$
Ich bin auch über den Abstatz Software-RAID/#mdadm-conf-aktualisieren gestolpert, bin mir aber nicht sicher ob mir das weiter hilft und es einfach blind ausprobieren möchte ich nicht.
Ich hoffe ich habe genügend Infos zur Verfügung gestellt und freue mich auf eure Antworten.
viele Grüße DaZeller