i couldn't reach my array disk PS6000 while pinging 
so i tried to reboot it but the LED's of RJ45 ports are off

i tried to connect it using console serial port

and i got this :

Preparing ffff bitmask of cpus to run  
No network device to cleanup
count = 16, total = 16
All slave cpus (16) ack'ed userapp init
count = 4, total = 4
All slave cpus (4) ack'ed message ring init
   
Dell, Inc. Storage Array

Copyright 2001-2012 Dell, Inc.
SP:2.72:mips_pss_init.c:420:INFO:28.2.107:Control module in slot 0 with serial number RMS0935328G11X0 is designated as active.
SP:1591719245.13:ppool_nvram.c:314 15.3.0:NVRAM contains valid data. This is a POWER FAILURE RECOVERY.
MFS set up
Building databases...
Restoring password file...
SP:1591719259.89:cache_driver.cc:978:INFO:28.2.39:Active control module cache set to write-back mode.
SP:1591719265.08:emm.c:1281:INFO:28.2.6:Enclosure serial number: SHM0935518GACB7.
Tue Jun  9 12:14:36 EDT 2020
Jun  9 12:14:36 init: kernel security level changed from 0 to 1

PS Series Storage Arrays
Unauthorized Access Prohibited

login: SP:1591719279.29:pclass.c:9305 32.3.1:Enclosure 0, drive 13 has failed to spin up in 33 seconds. Drive has failed.
SP:1591719283.63:pclass.c:10613 32.3.28:The drive at enclosure 0, drive 14 is not supported on this array. Contact your array support provider and provide the model number (ST3600057S.
SP:1591719283.63:emm.c:2092 28.3.51:Warning health conditions currently exist.
       Correct these conditions before they affect array operation.
       An unauthorized drive has been detected and disabled.
       There are 1 outstanding health conditions. Correct these conditions before they affect array operation.
SP:1591719283.65:pclass.c:10613 32.3.28:The drive at enclosure 0, drive 15 is not supported on this array. Contact your array support provider and provide the model number (ST3600057S.
SP:1591719286.97:pclass.c:10714 32.3.0:Enclosure 0, drive 13 will not be set online because it is in a faulted state.
SP:1591719289.57:init.c:718 13.3.1isk drive 4 has a history of failure.
SP:1591719289.58:init.c:718 13.3.1isk drive 10 has a history of failure.
SP:1591719289.58:init.c:718 13.3.1isk drive 9 has a history of failure.
SP:1591719289.59:init.c:718 13.3.1isk drive 8 has a history of failure.
SP:1591719289.59:events.c:243:ERROR:14.4.21:0:The RAID LUN 0 is faulted beyond recovery.
SP:1591719289.59:emm.c:2092:ERROR:28.4.47:Critical health conditions exist.
       Correct immediately before they affect array operation.
       Drive array no longer functional due to multiple drive failures.
       There are 1 outstanding health conditions. Correct these conditions before they affect array operation.
SP:1591719289.60:events.c:115:ERROR:14.4.0:0:Inserting bad block entries in RAID LUN 0.
SP:1591719289.60:emm.c:2092 28.3.51:Warning health conditions currently exist.
       Correct these conditions before they affect array operation.
       Lost blocks detected in a RAID set.
       An unauthorized drive has been detected and disabled.
       There are 2 outstanding health conditions. Correct these conditions before they affect array operation.
SP:1591719289.62:badblks.c:555 14.3.0:0:There are 2 bad block entries in RAID LUN 0.
SP:1591719289.62:events.c:636:ERROR:13.4.1ata has been found in cache but no matching RAID set was found. The disk array will not initialize without user intervention. Contact your PS Serie.
SP:1591719289.62:emm.c:2092:ERROR:28.4.47:Critical health conditions exist.
       Correct immediately before they affect array operation.
       Drive array no longer functional due to multiple drive failures.
       Data was found in the battery-backed cache with no matching drive array. Initialization will not proceed without intervention.
       There are 2 outstanding health conditions. Correct these conditions before they affect array operation.