SA-P800, ADU will not configured device : The cache is permanently disabled ? ( can it be fixed

[naimc]

Hello

We replaced a P400 card in a DL 320s G1 with a Smart Array P800 inorder to expand storage with a MSA 70.

When I access the ACU utility  the following error appears :

351 Smart Array P800 in Slot 2 CACHE STATUS PROBLEM DETECTED: The cache on this controller has a problem. To prevent data loss, configuration changes to this controller are not allowed. Please replace the cache to be able to continue to configure this controller.

The ADU diag report has the following to say about the cache.

Cache Disabled Map 0xfffffff0
Read Cache Size 114 MB  (0x0072)  
Write Cache Size 342 MB  (0x0156)  
Disable Flag Enabled  (0x00)  
Offset To Extended Cache Disabled Map 256  (0x0100)  
Offset To Extended Cache Failure Map 264  (0x0108)  
Offset To Extended Read Cache Disabled Map 0  (0x0000)  
Cache Configuration Flags 0x00
Total Structure Length 280  (0x00000118)  
Maximum Logical Devices Supported 64  (0x0040)  
Offset To Extended Write Cache Disabled Map 0  (0x0000)  
Fixed Structure Length 256  (0x00000100)  
Cache Flags 0x40000204Position Cache Flag Status
2 Permanently Disabled Warning
9 Max Dirty Cache Lines Not Flushed Reached Warning
30 Data Loss Check Disable Code Critical
 
Cache Disable Code Cache is disabled because data could not be read from the cache  (0x0011)  
Total Cache Memory Size 456 MB  (0x01c8)  
Battery Count 2  (0x0002)  
Battery Status 0x0003
Parity Read Errors 0  (0x0000)  
Parity Write Errors 0  (0x0000)  
Error Log All Zeroes (160 x [0x00])
Failed Batteries 0  (0x0000)  
Board Present 0x01
Cache Failure Map 0x00000000
Max Error Log Entries 12  (0x0c)  
NVRAM Load Status 0x00
Memory Size Shift Factor 10  (0x0a)  
Non Battery Backed Memory Size 0 MB  (0x0000)  
Memory State 0x00
Cache Auto Rev 0x01
Total Controller Memory Size 512 MB  (0x0200)  
Percent Read Cache 25%  (0x19)  
Percent Write Cache 75%  (0x4b)  
Default Percent Read Cache 25%  (0x19)  
Default Percent Write Cache 75%  (0x4b)  
Installed Batteries 0x0003
Cache Support Flags 0x0c
Reserved2 0x00
Detailed Battery Status 0x01 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
Detailed Flashlight Hardware Status 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
Extended Cache Disabled Map 0xf0 0xff 0xff 0xff 0x00 0x00 0x00 0x00

But in the ADU report the slot2.txt has
the following : 
Found 512 MB of cache memory, width=72 bits.
wcxc_ram_size = 1c800000
DIMM SN: PA82B0A9SW21VK
Initializing ADG for SAS controllers only (tolerate 8 drive failure)
ADG keys initialized
Initializing Pull Queuing I/O...
Starting DMA SelfTest.
 DMA mem write xfer rate:   1667 MB/sec
 DMA mem read xfer rate:    1399 MB/sec
.......
 Mem-to-mem DMA xfer rate:  997 MB/sec
 Mem-to-mem DMA xfer rate during CPU access:  663 MB/sec
...
 Mem-to-WXOR DMA xfer rate: 957 MB/sec
...OK
ADG SelfTestOK

I've attached the full diag report.

We purchased this controller from ebay so it might be defective, before I purchsae a new one I'd like to know if the cache module is realy defective and can it be replaced ?

I have not removed the card from the server yet and when we installed it I did not recall seeing any removal parts other than the two battery modules.

Thank you for thoughts

Naim

P.S. This thread has been moved from General to ProLiant Servers (ML,DL,SL) - Hp Forum moderator

[PGTRI · Accepted solution]

hi,

Error Report Smart Array P800 in slot 2 → Smart Array P800 in slot 2 The cache is permanently disabled

Soo.. the cache module is most probably defective, but the issue can be also with the controller. You can try to reseat the cache first before ordering any parts. The cache is a separate part from the controller.

Thanks

regards,

[naimc]

Hi PGTRI

I removed the SA-P800 card from the server, and disassembled the Cache module and connected batteries.

 As I could not afford to have the production server down I installed the card in a non HP server.  The ACU utility did not report any issues with the card and I was able to connect a MSA 60 to it and create some volumes and run some load generating tools from them.

So it would seem that the act of re-assembling the card cleared the cache errors, thanks for the tip.

Naim.