Date: Tue, 7 Jun 2016 08:25:19 +0200 From: Borja Marcos <borjam@sarenet.es> To: list-news <list-news@mindpackstudios.com> Cc: freebsd-scsi@freebsd.org Subject: Re: Avago LSI SAS 3008 & Intel SSD Timeouts Message-ID: <2823D96D-881D-4D40-B610-FC8292FA2FC5@sarenet.es> In-Reply-To: <986e03a7-5dc8-f5e0-5a17-4bf49459f905@mindpackstudios.com> References: <30c04d8b-80cb-c637-26dc-97caebad3acb@mindpackstudios.com> <b30f968c-cc41-f7de-5a54-35bed961e65a@multiplay.co.uk> <08C01646-9AF3-4E89-A545-C051A284E039@sarenet.es> <986e03a7-5dc8-f5e0-5a17-4bf49459f905@mindpackstudios.com>
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> On 07 Jun 2016, at 00:19, list-news <list-news@mindpackstudios.com> = wrote: >=20 > *# sysctl vfs.zfs.vdev.bio_delete_disable=3D1* > (a few minutes later) So trim is not causing it. >=20 > *Error:* > Jun 6 13:36:15 s18 kernel: (da6:mpr0:0:16:0): WRITE(10). CDB: 2a 00 = 30 65 13 90 00 00 10 00 > Jun 6 13:36:15 s18 kernel: (da6:mpr0:0:16:0): CAM status: SCSI Status = Error > Jun 6 13:36:15 s18 kernel: (da6:mpr0:0:16:0): SCSI status: Check = Condition > Jun 6 13:36:15 s18 kernel: (da6:mpr0:0:16:0): SCSI sense: UNIT = ATTENTION asc:29,0 (Power on, reset, or bus device reset occurred) > Jun 6 13:36:15 s18 kernel: (da6:mpr0:0:16:0): Retrying command (per = sense data) > ... >=20 > *And again 2 minutes later:* >=20 > Jun 6 13:38:43 s18 kernel: (da2:mpr0:0:12:0): WRITE(10). CDB: 2a 00 = 21 66 63 58 00 00 10 00 > Jun 6 13:38:43 s18 kernel: (da2:mpr0:0:12:0): CAM status: SCSI Status = Error > Jun 6 13:38:43 s18 kernel: (da2:mpr0:0:12:0): SCSI status: Check = Condition > Jun 6 13:38:43 s18 kernel: (da2:mpr0:0:12:0): SCSI sense: UNIT = ATTENTION asc:29,0 (Power on, reset, or bus device reset occurred) > Jun 6 13:38:43 s18 kernel: (da2:mpr0:0:12:0): Retrying command (per = sense data) I suffered this particular symptom because, it seems of a broken LSI3008 = card. Finally I replaced it with a LSI2008 (I didn=E2=80=99t have a = spare LSI3008 handy) and the errors vanished. In my case it is a NFS storage = based on ZFS and Samsung SSD disks serving several Xen=20 hosts. In my case the disks are SATA. I know that it was a defective card and not a problem with the LSI3008 = cards or driver because I have a twin system working like a charm from day zero. I would try, if possible, to swap the controller.=20 Borja.
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