Re: Magic Decoder Ring needed

2017-10-13 Thread Zoltan Forray
Update: This error/problem is now starting to occur once or twice-a-day and it is usually when a "backup stgpool" of our primary disk pool is happening. There is nothing in any of our hardware/os logs, including the PERC controller logs. There is a Dell PERC firmware upgrade pending that is labele

Re: Magic Decoder Ring needed

2017-10-11 Thread Skylar Thompson
Content preview: I'm not aware of a fix for the problem (it's with Dell PERC H810s) but the problem manifested itself in lots and lots of media errors on a physical device, visible when you export the controller log. The symptoms for TSM included both CRC errors in the pool and also

Re: Magic Decoder Ring needed

2017-10-10 Thread Zoltan Forray
Thank you for the info. We have started running AUDIT's but with 30TB+ in this disk stgpool, it will take a while. I am very interested in additional details on the RAID firmware issue you mentioned - any specifics would be very helpful. AFAIK, we are up-to-date on all Dell firmware (we patch fa

Re: Magic Decoder Ring needed

2017-10-10 Thread Skylar Thompson
Hi Zoltan, We ran into this recently, and it was caused by a firmware bug in a RAID adapter that caused it not to fail and obviously-failing disk in our disk spool. We followed the procedure here: https://www.ibm.com/support/knowledgecenter/en/SSGSG7_7.1.6/tshoot/r_pdg_1330_1331_msg.html It did

Magic Decoder Ring needed

2017-10-10 Thread Zoltan Forray
Recently we started seeing these errors on one of our servers: 10/10/2017 13:35:51 ANR1330E The server has detected possible corruption in an object that is being restored or moved. The actual values for the incorrect frame are: magic 53454652 hdr