Look at the aggregate those "vol0" volumes are on, if there is space available:

vol size -vserver scarab-a -volume vol0 +50G
vol size -vserver scarab-a -volume vol0 +50G

If they are partitioned, see if you have any root partitions available 
"storage aggregate show-spare-disks' -> look for non-0 root partitions

ChnageMe::*> storage aggregate show-spare-disks

Original Owner: ChnageMe-01
 Pool0
  Root-Data1-Data2 Partitioned Spares
                                                              Local    Local
                                                               Data     Root Physical
 Disk             Type   Class          RPM Checksum         Usable   Usable     Size Status
 ---------------- ------ ----------- ------ -------------- -------- -------- -------- --------
 1.0.22           SSD-CAP solid-state     - block                0B   9.37GB  13.97TB not zeroed
 1.0.23           SSD-CAP solid-state     - block                0B   9.37GB  13.97TB not zeroed
 1.0.46           SSD-CAP solid-state     - block            6.98TB       0B  13.97TB not zeroed
 1.0.47           SSD-CAP solid-state     - block            6.98TB       0B  13.97TB not zeroed

I could add one more root partition to the aggregate and leave a single spare. in my case
I might have to:
aggregate show -fields maxraidsize root_aggr_01|root_aggr_02
-> if the maxraidsize = the # of disks in the aggregate, increase it a little by 1 or 2. then add a partition or two if available
aggregate add disk root_aggr_01 -diskcount 1


--tmac




On Mon, Aug 28, 2023 at 11:38 AM Randy Rue <randyrue@gmail.com> wrote:
Getting this warning in the "Active IQ Suggestions" since our last upgrade. It has a link under Corrective Action that leads to the top of NA's Hardware Universe site. 

The root volumes for our three vservers are all only 0% or 1% used (1GB each).

But the "vol0" volumes show:
scarab::> vol show
Vserver   Volume       Aggregate    State      Type       Size  Available Used%
--------- ------------ ------------ ---------- ---- ---------- ---------- -----
scarab-a  vol0         aggr0_scarab_01 online  RW      151.3GB    78.82GB   45%
scarab-b  vol0         aggr0_scarab_02 online  RW      124.6GB    61.74GB   47%

I think I recall trying to resize a node's root volume from the CLI in the past and getting an error along the lines of "don't mess with this volume."
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