But in my case, I noticed the second switch restarted when the commander is powered off. Please see below the vsf configuration and vsf status below.
vsf
enable domain 1
member 1
type "JL261A" mac-address 9020c2-430960
priority 255
link 1 1/23-1/24
link 1 name "I-Link1_1"
link 2 name "I-Link1_2"
exit
member 2
type "JL261A" mac-address 3821c7-f5dde0
priority 200
link 1 2/23-2/24
link 1 name "I-Link2_1"
link 2 name "I-Link2_2"
exit
port-speed 1g
exit
show vsf
VSF Domain ID : 1
MAC Address : 9020c2-430963
VSF Topology : Chain
VSF Status : Active
Uptime : 0d 0h 3m
VSF MAD : None
VSF Port Speed : 1G
Software Version : WC.16.11.0004
Mbr
ID MAC Address Model Pri Status
--- ----------------- ------------------------------------- --- ---------------
1 9020c2-430960 Aruba JL261A 2930F-24G-PoE+-4SFP S... 255 Commander
2 3821c7-f5dde0 Aruba JL261A 2930F-24G-PoE+-4SFP S... 200 Standby
show vsf detail
VSF Domain ID : 1
MAC Address : 9020c2-430963
VSF Topology : Chain
VSF Status : Active
Uptime : 0d 0h 3m
VSF MAD : None
VSF Port Speed : 1G
Software Version : WC.16.11.0004
Name : PAAET-IT-LAB-SW
Contact :
Location :
Member ID : 1
MAC Address : 9020c2-430960
Type : JL261A
Model : Aruba JL261A 2930F-24G-PoE+-4SFP Switch
Priority : 255
Status : Commander
ROM Version : WC.16.01.0010
Serial Number : CN95HL21Q5
Uptime : 0d 0h 3m
CPU Utilization : 54%
Memory - Total : 337,396,224 bytes
Free : 218,205,432 bytes
VSF Links -
#1 : Active, Peer member 2
#2 : Inactive
Member ID : 2
MAC Address : 3821c7-f5dde0
Type : JL261A
Model : Aruba JL261A 2930F-24G-PoE+-4SFP Switch
Priority : 200
Status : Standby
ROM Version : WC.16.01.0010
Serial Number : CN95HL203X
Uptime : 0d 0h 2m
CPU Utilization : 0%
Memory - Total : 337,396,224 bytes
Free : 233,551,656 bytes
VSF Links -
#1 : Active, Peer member 1
#2 : Inactive
show vsf link
VSF Member 1
Link Peer Peer
Link Link-Name State Member Link
---- ---------- -------- ------ ----
1 I-Link1_1 Up 2 1
2 I-Link1_2 Down 0 0
VSF Member 2
Link Peer Peer
Link Link-Name State Member Link
---- ---------- -------- ------ ----
1 I-Link2_1 Up 1 1
2 I-Link2_2 Down 0 0
show vsf link detail
VSF Member: 1 Link: 1
Port State
-------- ------------
1/23 Up: Connected to port 2/23
1/24 Up: Connected to port 2/24
VSF Member: 2 Link: 1
Port State
-------- ------------
2/23 Up: Connected to port 1/23
2/24 Up: Connected to port 1/24
show vsf link utilization
VSF Link Utilization:
Link Average Link
Member Link Bandwidth Utilization %
Rx Tx
------ ---- --------- ----- -----
1 1 2G 50 50
2 1 2G 50 50
show vsf topology
VSF member's interconnection with links:
Stby Cmdr
+---+ +---+
| 2 |1==1| 1 |
+---+ +---+
show vsf topology detail
Uni-destination Link Path:
VSF Member ID 1 2
------------- ---- ----
1 - 1
2 1 -
Multi-destination Path:
VSF Member ID Path
------------- ------
1 2
2 1
show vsf lldp-mad status
MAD device IP : 0.0.0.0
MAD-probe portset :
VSF split : No
MAD probe originator : No
Number of probe requests sent : 0
Number of probe responses received : 0
MAD Active Fragment : Yes
show vsf lldp-mad parameters
MAD device IP : 0.0.0.0
MAD readiness status : Failure
MAD device MAC : 000000-000000
Reachable via Vlan : 0
Local LAG interface :
MAD-probe portset :
LAG connectivity : None
show vsf vlan-mad
MAD VLAN is not configured.