1. Linux

Hi, I have a three disk raid 5, with 500GB disks. This is close to being full, and whilst I can just add another disk and rebuild to add another 500GB, I would prefer to replace with 1TB disks. So i have some questions. Can I replace these disks one by one with bigger disks? I... (1 Reply)

2. Virtualization and Cloud Computing

Hello Unix Community: My task to figure out how to add a 20G volume to an existing EBS Array (RAID0) at AWS. I haven't been told that growing the existing volumes isn't an option, or adding another larger volume to the existing array is the way to go. The client's existing data-store is... (0 Replies)

3. Emergency UNIX and Linux Support

Hi All I have a RAID 5 array consisting of 4 drives that had a partial drive failure in one of the drives. Rebooting shows the faulty drive as background rebuilding and mdadm /dev/ARRAYID shows three drives as in sync with the fourth drive as spare rebuilding. However the array won't come... (9 Replies)

4. UNIX for Advanced & Expert Users

Hi everyone, I am not sure if I understand how mdadm --create /dev/md0 --level=container works? A device called /dev/md0 appears in /proc/mdstat but I am not sure how to use that device? I have 2 blank drives with 1 500GB partition on each. I would like to setup mirroring, but not in the... (0 Replies)

5. Red Hat

had this RHEL 5 installation with /dev/sda1 and /dev/sda2 running.. created two more partitions /dev/sdj1 and /dev/sdj2 , the same sized partition as /dev/sda trying to use mdadm to create RAID1 .. I cannot even do it in "rescue" mode, I wonder if it can be done.. it kept... (2 Replies)

6. UNIX for Advanced & Expert Users

Hi All, I have been trying to create a USB RAID 5 using mdadm tool on Joli OS 1.2 (Ubuntu) but with no luck. I cannot even get pass the creation of array device (/dev/md0) and superblock. I am using 3 USB keys (2 16.4 GB kingston and 1 16GB sandisk). My steps are: ... (5 Replies)

7. Filesystems, Disks and Memory

Hello, i have a system with 6 sata3 seagate st3000dm01 disks running on stable Debian with software raid mdadm. i have md0 for root and md1 for swap and md2 for the files. i now want to add one more disk = sdh4 for md2 but i got this errors: The new disk is connected to an 4 port sata... (7 Replies)

8. UNIX for Advanced & Expert Users

Hi guys, I'm new to RAID although I've had a server running raid5 for a while. It was delivered preinstalled like this and I never really wondered how to monitor and maintain it. This quick introduction just to let you understand why I'm such an idiot asking such a silly question. Now what... (0 Replies)