Re: [zfs-discuss] Update - mpt errors on snv 101b
Bruno Sousa wrote: Hi all, During this problem i did a power-off/power-on in the server and the bus reset/scsi timeout issue persisted. After that i decided to poweroff/power on the jbod array, and after that everything became normal. No scsi timeouts, normal performance, everything is okay now. With this is it safe to assume that the problem may becaused by the SAS expander (one single LSI SASX36 Expander Chip) used by the supermicro jbod chassis, and not by the hba/mpt driver? Hi Bruno, that is indeed what I, personally, suspect is the case. Tracking that down and conclusively proving so is, however, another thing entirely. Could you send the output from prtconf -v for your host please, so that we can have a look at the vital information for the enclosure services and SMP nodes that the SAS Expander presents/ thankyou, James C. McPherson -- Senior Kernel Software Engineer, Solaris Sun Microsystems http://blogs.sun.com/jmcp http://www.jmcp.homeunix.com/blog ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] Update - mpt errors on snv 101b
Hi James, Thank you for your feedback, and i will send the prtconf -v output for your email. I also have another system where i can test something if that's the case, and if you need extra information or even access to the system, please let me know it. Thank you, Bruno James C. McPherson wrote: Bruno Sousa wrote: Hi all, During this problem i did a power-off/power-on in the server and the bus reset/scsi timeout issue persisted. After that i decided to poweroff/power on the jbod array, and after that everything became normal. No scsi timeouts, normal performance, everything is okay now. With this is it safe to assume that the problem may becaused by the SAS expander (one single LSI SASX36 Expander Chip) used by the supermicro jbod chassis, and not by the hba/mpt driver? Hi Bruno, that is indeed what I, personally, suspect is the case. Tracking that down and conclusively proving so is, however, another thing entirely. Could you send the output from prtconf -v for your host please, so that we can have a look at the vital information for the enclosure services and SMP nodes that the SAS Expander presents/ thankyou, James C. McPherson -- Senior Kernel Software Engineer, Solaris Sun Microsystems http://blogs.sun.com/jmcphttp://www.jmcp.homeunix.com/blog smime.p7s Description: S/MIME Cryptographic Signature ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] Update - mpt errors on snv 101b
I can report io errors with Chenbro based LSI SASx36 IC based expanders tested with 111b/121/128a/129. The HBA was LSI 1068 based. If I bypass expander by adding more HBA controllers, mpt does not have io errors. -nola On Dec 8, 2009, at 6:48 AM, Bruno Sousa wrote: Hi James, Thank you for your feedback, and i will send the prtconf -v output for your email. I also have another system where i can test something if that's the case, and if you need extra information or even access to the system, please let me know it. Thank you, Bruno James C. McPherson wrote: Bruno Sousa wrote: Hi all, During this problem i did a power-off/power-on in the server and the bus reset/scsi timeout issue persisted. After that i decided to poweroff/power on the jbod array, and after that everything became normal. No scsi timeouts, normal performance, everything is okay now. With this is it safe to assume that the problem may becaused by the SAS expander (one single LSI SASX36 Expander Chip) used by the supermicro jbod chassis, and not by the hba/mpt driver? Hi Bruno, that is indeed what I, personally, suspect is the case. Tracking that down and conclusively proving so is, however, another thing entirely. Could you send the output from prtconf -v for your host please, so that we can have a look at the vital information for the enclosure services and SMP nodes that the SAS Expander presents/ thankyou, James C. McPherson -- Senior Kernel Software Engineer, Solaris Sun Microsystems http://blogs.sun.com/jmcphttp://www.jmcp.homeunix.com/blog ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
