4
votes
1answer
488 views

EC2 disk goes to 100% util, but fine after reboot

We've been running some production services on Amazon EC2 for a while, using mainly t1.large and t1.xlarge instances (non-EBS). Every so often one of the attached (ephemeral disks) will get into a ...
0
votes
1answer
234 views

Create superblock for software raid-5 array

I have created a raid 5 array with mdadm. I created partitions on all five of the disks created a raid-5 array with mdadm on these five partitions). Everything seems fine however when i try to mount ...
2
votes
1answer
1k views

Mdadm - Change RAID 10 chunk size and switch to “far” layout

I'm running an Ubuntu Linux NAS server with 4 2TB drives in software RAID 10. I created the array during installation (with Ubuntu Server disc), but the layout is near and the chunk size is 64. I ...
1
vote
2answers
2k views

mdadm - Can't get RAID5 Array To Start

after a power failure my RAID array refuses to start. When I boot I have to sudo mdadm --assemble --force /dev/md0 /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1 /dev/sdf1 /dev/sdg1 to get mdadm to ...