repulse Posted November 16, 2017 #1 Posted November 16, 2017 REMEMBER TO BACKUP BEFORE MESSING WITH DISKS OR PARTITIONS/VOLUMES Tested on DSM 6.1 through ESXI 6 here. Few days ago, my DSM started complaining about low disk space available on volume 1. It was only 16gb. So, i tried to expand it few times after expanding .vmdk but "Extend" buttond stay grayed. After few tries and installations f*cked up, here is the way i did it, and it should work on barebone install too : Keep the disk you want to "copy" in the Diskstation, then put the new drive in avalible slot, and make them to RAID1 - mirror. When the its done, then remove old volume 1 disk and add change freshly added disk to whatever was ancient volume 1 (i.e scsi 0:0, or 0:1). This will give you a degraded state Raid 1 with only new volume 1. Then activate Telnet an use this command : mdadm --grow --raid-devices=1 --force /dev/md2 (RAID1 to BASIC) Now the new disk is basic again an you can expand it to its full size. 2 Quote
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