Re: [zfs-discuss] Disk failure chokes all the disks attached to the failing disk HBA

2012-05-31 Thread Weber, Markus
Antonio S. CofiƱo wrote: > [...] > The system is a supermicro motherboard X8DTH-6F in a 4U chassis > (SC847E1-R1400LPB) and an external SAS2 JBOD (SC847E16-RJBOD1). > It makes a system with a total of 4 backplanes (2x SAS + 2x SAS2) > each of them connected to a 4 different HBA (2x LSI 3081E-R (10

Re: [zfs-discuss] What's wrong with LSI 3081 (1068) + expander + (bad) SATA disk?

2012-04-05 Thread Weber, Markus
Paul wrote: >I have not seen any odd issues with the five J4400 configuration > since we went production. I'm not familiar with the J4400 at all, but isn't Sun/Oracle using -like NetAPP- Interposer cards and thus handling the SATA drives more or less like SAS ones? Markus -- KPN Internati

[zfs-discuss] What's wrong with LSI 3081 (1068) + expander + (bad) SATA disk?

2012-04-05 Thread Weber, Markus
Even though it's not directly ZFS related, I've seen some similar discussion on this list and maybe someone has "the final" answer to this problem, as most tips and "these things could help" I have found so far have not fully solved the problem. We are struggling with the behaviour of the combin