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241 views

Removing failed disk from raid 1

my server (Debian Wheezy) has a failed disk. I have sda and sdb and according to the support of my hoster, sdb needs a replacement. I send them this information with the mdstat: ...
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1answer
242 views

How to rebuild a two drive raid 1 array on Linux?

I need to rebuild a two drive (160x2) raid 1 (mirror) array. It was an Intel raid from a 7 year old Dell computer (Windows). Both drives are assumed to be functioning. The raid was created with an ...
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1k views

“Spare” disk in a 2-disk mdadm RAID1 array?

I recently had a RAID1 volume fail. It had three primary partitions in it, all participating in separate, but similarly configured VGs. This configuration comes from the fact that the machine is ...
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66 views

BTRFS - Raid incomplete after balancing

I have two 3TB drive that are formated as btrfs and mounted on /media/andy/btrfs as one drive. I run btrfs balance start -dconvert=raid1 -mconvert=raid1 /media/andy/btrfs/ which takes forever. It ...
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0answers
110 views

Ubuntu 10.04 LTS hangs at 43% of preparing to partition raid 1drives

I have set up hardware raid 1 with two SAS drives using the Adptec 6405E controller. I am having a problem when installing Ubuntu 10.04 LTS as it hangs at 43 % when partitioning disk drives. So far ...
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90 views

grub2 lvm2 raid1 /boot

Is it possible to boot from a system where /boot is located within an lvm2 raid1 partition. I've tried a variety of configurations, but I have yet to discover how to do it. I am using two 2TB disks. ...
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112 views

Degraded RAID1 array boots with one drive, not with the other

UPDATE It seems initramfs fails to properly mount the array. If I stop and reassemble them, they works: mdadm --stop /dev/md124 mdadm --assemble --run /dev/md124 /dev/sda6 Maybe initrd tries to ...
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16 views

Debian 8 sytemd “found device” multiple times

I currently run a Debian 8 system (upgraded from Debian 7) with a software raid 1. Once in a while systemd reloads 3 times in a relatively short period and logs it into syslog. If it reloaded only ...
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34 views

2 X 2TB HD in RAID1 config, “Data volume failed to mount” error

I am using a Western Digital My Book Live Duo and for some reason it decided to go bad on me. The WD support people usual answer is that the device is bad and they even upgraded my warranty to get a ...
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187 views

BTRFS Raid1 on SD card and HDD

I have the / partition on a btrfs SD card /dev/mmcblk0p2. /boot is on vfat /dev/mmcblk0p1). It's a Raspberry Pi running Arch Linux and its fstab looks like so: /dev/mmcblk0p2 / btrfs ...
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23 views

RAID1 not working on 4K Sector Size

I have created a RAID1 configuration with two internal Fusion-io SSDs. When I formatted the cards to a sector size of 4K, Linux kernel will generate hourly errors stating one of the device has failed. ...