Re: [OmniOS-discuss] iscsi timeouts

2014-02-03 Thread Saso Kiselkov
On 2/3/14, 10:51 AM, Tobias Oetiker wrote: a short update on the matter for anyone browsing the ML archives: The affected system runs on an S2600CP motherboard with RMM4 remote management. RMM comes with the ability to use any of the existing Ethernet ports on the MB for its communication

[OmniOS-discuss] iscsi timeouts

2014-01-21 Thread Tobias Oetiker
Hi, we are serving ISCSI volumes from our omnios box ... in the log on the client I keep seeing this pattern every few hours. any idea what could be causing this ? server and client are directly via a crossover cable over a dedicated interface. Jan 21 01:21:34 iscsi-client kernel: :

Re: [OmniOS-discuss] iscsi timeouts

2014-01-21 Thread David Bomba
It looks like your NFS is dropping also ( but then recovering ), so I wouldn't be pinning the problem solely on iscsi. The problem could be anywhere from the network driver all the way back to the switch/cables etc. You'll need to go through each item methodically to find the root cause. On

Re: [OmniOS-discuss] iscsi timeouts

2014-01-21 Thread Narayan Desai
We've seen problems like this when we have a SATA drive in a SAS expander that is going out to lunch. Are there any drives showing errors in iostat -En? or any drive timeout messages in the ring buffer? -nld On Tue, Jan 21, 2014 at 3:04 AM, Tobias Oetiker t...@oetiker.ch wrote: Hi, we are

Re: [OmniOS-discuss] iscsi timeouts

2014-01-21 Thread Dan McDonald
On Jan 21, 2014, at 7:21 AM, Narayan Desai narayan.de...@gmail.com wrote: We've seen problems like this when we have a SATA drive in a SAS expander that is going out to lunch. Are there any drives showing errors in iostat -En? or any drive timeout messages in the ring buffer? Generally

Re: [OmniOS-discuss] iscsi timeouts

2014-01-21 Thread Tobias Oetiker
Today Dan McDonald wrote: On Jan 21, 2014, at 7:21 AM, Narayan Desai narayan.de...@gmail.com wrote: We've seen problems like this when we have a SATA drive in a SAS expander that is going out to lunch. Are there any drives showing errors in iostat -En? or any drive timeout messages in

Re: [OmniOS-discuss] iscsi timeouts

2014-01-21 Thread Tim Rice
On Tue, 21 Jan 2014, Tobias Oetiker wrote: Hi, we are serving ISCSI volumes from our omnios box ... in the log on the client I keep seeing this pattern every few hours. any idea what could be causing this ? server and client are directly via a crossover cable over a dedicated

Re: [OmniOS-discuss] iscsi timeouts

2014-01-21 Thread Tobias Oetiker
Hi Tim, Today Tim Rice wrote: On Tue, 21 Jan 2014, Tobias Oetiker wrote: Hi, we are serving ISCSI volumes from our omnios box ... in the log on the client I keep seeing this pattern every few hours. any idea what could be causing this ? server and client are directly via a

Re: [OmniOS-discuss] iscsi timeouts

2014-01-21 Thread Narayan Desai
Sorry, I should have given the requisite yes, I know that this is a recipe for sadness, for I too have experienced said sadness. That said, we've seen this kind of problem when there was a device in a vdev that was dying a slow death. There wouldn't necessarily be any sign, aside from insanely

Re: [OmniOS-discuss] iscsi timeouts

2014-01-21 Thread Tobias Oetiker
Hi Nld, Today Narayan Desai wrote: Sorry, I should have given the requisite yes, I know that this is a recipe for sadness, for I too have experienced said sadness. That said, we've seen this kind of problem when there was a device in a vdev that was dying a slow death. There wouldn't

Re: [OmniOS-discuss] iscsi timeouts

2014-01-21 Thread Saso Kiselkov
On 1/21/14, 10:09 PM, Saso Kiselkov wrote: On 1/21/14, 10:01 PM, Tobias Oetiker wrote: Hi Nld, Today Narayan Desai wrote: Sorry, I should have given the requisite yes, I know that this is a recipe for sadness, for I too have experienced said sadness. That said, we've seen this kind of

Re: [OmniOS-discuss] iscsi timeouts

2014-01-21 Thread Saso Kiselkov
On 1/21/14, 10:16 PM, Saso Kiselkov wrote: On 1/21/14, 10:09 PM, Saso Kiselkov wrote: On 1/21/14, 10:01 PM, Tobias Oetiker wrote: Hi Nld, Today Narayan Desai wrote: Sorry, I should have given the requisite yes, I know that this is a recipe for sadness, for I too have experienced said

Re: [OmniOS-discuss] iscsi timeouts

2014-01-21 Thread Tobias Oetiker
Today Saso Kiselkov wrote: I guess you can check for this string at runtime: $ strings /kernel/drv/amd64/igb | grep _eee_support If it is missing, then it could be the buggy EEE support that's throwing your link out of whack here. Nevermind, missed your description of the KVM guests