t23

Disk groups are really only good for two things - breaking the 16TB barrier and if you insist on more than one volume on an array. They are really slow, so if you can, back up your current array, and then do a stripe or mirror with your old and your new disk, whatever you have in mind. First, you could check for a firmware…

Nopes - i get your way of thinking, but that is not the case.

Correct, the NAS542 uses init scripts. Stopping and starting from the nfs package's script gives the same results as disabling and reenabling from the web interface (most likely uses the same script), i.e. that all portmapper services are completely frozen and/or simply not there. Right - not really a solution, but best…

It gets more hairy. After a reboot, nfs works - until you disable and reenable it from the control panel, then it reverts to the originally described behaviour. Restarting as root on the NAS itself makes no difference. Any other ideas? :) Thanks so far, btw!

It is definitely possible. Note that with the latest firmware (and using Firefox), you have to click the disk group twice in order to get the Manage, Delete and hot spare options. Here are the options in manage: And how adding a drive works:

Mainly i ask because the manual doesn't explain exactly what you can do in "modify disk group". If i cannot add a drive to the disk group later on, i need to buy two drives - one for the new array and one for backing up the current array. Also, if i can add the fourth drive later, i can do all the copy operations from an…