![]() Once you save your /etc/fstab entry, check you work by executing mount -a, which will mount all drives in your /etc/fstab. For example, the string below is used to mount /dev/md1 at the mount point of /ARRAY2. Once you have the UUID, edit your /etc/fstab and enter your data. For example, you might execute a sudo mkdir /ARRAY2. If you have not done so already, create a physical folder where you want to mount your new array. Now that you have a functional array (use cat /proc./mdstat to check), you need to make sure that it is added to your /etc/fstab. Mdadm –assemble /dev/md1 /dev/sda1 /dev/sdb1 However, I have found that the second command is more deliberate and has better results. Sometimes you can get away with using the first command to auto-detect the array. Once the array is created, you need mount it. My second array is just storage, so I formatted the entire drive as ext4 without swap. you will need to format your md* array using fdisk, or on a GUI system GParted. The Terminal screenshot below shows both the creation of the array and then checking the status of the array build, as noted by one red dot per command. I ended up using the output from “mdadm -Es” and manually entering the string into my /etc/mdadm/nf. The first command responded with “Permission Denied” errors, even as root. Once the array is built, you need to save your array in mdadm. Mdadm –create –verbose /dev/md1 –level=mirror –raid-devices=2 /dev/sdb1 /dev/sdc1 –spare-devices=1 /dev/sdd1 If you have spare disks, you can add them to the end of the device specification like Mdadm –create –verbose /dev/md1 –level=mirror –raid-devices=2 /dev/sdb1 /dev/sdc1 In order to expand my current server storage, I added a second RAID1 array to the already functional system. With the release of the next Ubuntu LTS, v.12.04, I found that I was running out of space on my drives. This server operates my NW Linux apt-get Repository. I have a functioning Ubuntu Server 10.04.3 RAID1 array with 250GB disks. If users can simply download the most recent version from Oracle, why can’t they simply update the Canonical repository? Is MySQL next on the Oracle hit list? ![]() “Due to the severity of the security risk, Canonical is immediately releasing a security update for the Sun JDK browser plugin which will disable the plugin on all machines.” Ubuntu’s Marc Deslauriers wrote in a mail to the Ubuntu Security Mailing list. Apparently, a number of security issues exist in the current Java. Alternatively, you can visit the Oracle website and download Java directly from them. When Oracle decides to pull the plug on Java, Canonical will remove it from your system via a software update.Īn open source alternative for Ubuntu users might include OpenJDK or IcedTea. Oracle has not commented on the removal date for its Java software. Changes to the license affects Ubuntu 10.04 LTs, Ubuntu 10.10 and 11.04 distributions. Oracle has retired the “Operating System Distributor License for Java.” This means that Canonical no longer has permission to distribute the package.
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