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Wed Apr 24 00:24:30 2024
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******************************************************************************************************* UPDATE 24 May 2016 3x WDC WD30EFRX ATA 3Tb disks added to aidas1 LVM configuration - see https://elog.ph.ed.ac.uk/AIDA/233 ******************************************************************************************************* Reminder The additional 3x 3Tb disks (and the USB 8Tb disk currently attached to aidas1) are not included in the aidas1 /etc/fstab file and do *not* have fixed device names, i.e. the device name of each disk can change at each reboot. The Fix To avoid this problem for the 3x 3Tb disks Vic suggests converting them from ext4 format to lvm format and 'appending' each disk volume to /data10 (which is already lvm). This will require re-formatting disks /data20, 30 & 40. Backups (and checks) have now been performed for /data20, 30 & 40. I will re-format these disks upon my return to RIKEN May 22. The Workaround Mount the disks manually as superuser. How to work out which device is associated with which disk? From SL6 window header select Applications -> System Tools -> Disk Utility N.B. BE VERY CAREFUL USING THIS TOOL! In the Disk Utility window a list of storage devices will be shown on the left hand side - you will be interested in the 3x 2.2Tb Hard Disks attached to the SAS Host Adaptor *and* the USB 8.0Tb Hard Disk attached to peripheral devices. Select the required device - drive and volumes information will appear on the right hand side of the Disk Utility window - check the disk label and device shown in the volumes section. For example - if the selected device volume information is label 'data20' and device '/dev/sdf1' you can mount the disk as superuser with the command mount -t ext4 /dev/sdf1 /data20 To mount the USB disk (having obtained the device name as above) you can mount the disk as superuser with, for example, the command mount -t ntfs-3g /dev/sda2 /ntfs
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