Date: Thu, 22 Sep 2016 20:09:19 +0530 From: Kashyap Desai <kashyap.desai@broadcom.com> To: Sumit Saxena <sumit.saxena@broadcom.com>, freebsd-scsi@freebsd.org, scott4long@yahoo.com, ken@freebsd.org Cc: Seema Kumashikar <seema1.kumashikar@broadcom.com>, Stephen Mcconnell <stephen.mcconnell@broadcom.com>, Sreekanth Reddy <sreekanth.reddy@broadcom.com> Subject: RE: MRSAS: SATA drives are getting deleted and then readded after controller reset Message-ID: <f449c006477e36ab3347d9cdb168e7f0@mail.gmail.com> In-Reply-To: <03ee30cfdb1ac86b644ff3516e0d88c0@mail.gmail.com> References: <03ee30cfdb1ac86b644ff3516e0d88c0@mail.gmail.com>
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Hi - To add one more thing - This issue is even common for IT HBA (mpr driver), so looks to be a common issue. If you have SATA drive and just do "camcontrol rescan all", SATA disc is added and removed back by CAM layer. One more log snippet - mrsas0: Reset successful (xpt0:mrsas0:1:-1:ffffffff): rescan already queued (xpt0:mrsas0:1:-1:ffffffff): rescan already queued da2 at mrsas0 bus 1 scbus1 target 51 lun 0 da2: <ATA ST9250610NS SN03> s/n 9XE09LAH detached cam_periph_alloc: attempt to re-allocate valid device da2 rejected flags 0x118 refcount 2 daasync: Unable to attach to new device due to status 0x6 (da2:mrsas0:1:51:0): Periph destroyed (da2:mrsas0:1:51:0): UNMAPPED da2 at mrsas0 bus 1 scbus1 target 51 lun 0 da2: <ATA ST9250610NS SN03> Fixed Direct Access SPC-4 SCSI device da2: Serial Number 9XE09LAH da2: 150.000MB/s transfers da2: 238475MB (488397168 512 byte sectors) ` Kashyap > -----Original Message----- > From: Sumit Saxena [mailto:sumit.saxena@broadcom.com] > Sent: Thursday, September 22, 2016 7:54 PM > To: freebsd-scsi@freebsd.org; scott4long@yahoo.com; ken@freebsd.org > Cc: Kashyap Desai; Seema Kumashikar > Subject: MRSAS: SATA drives are getting deleted and then readded after > controller reset > > Ken/Scott, > > On FreeBSD11.0 RC1, we are facing an issue where SATA drives connected > behind LSI's MegaRAID controller getting deleted and added back after > controller reset. > I am using Broadcom/Avago/LSI's MegaRAID Invader controller(device ID- > 0x005d). The point to note here is- this behavior is not observed with SAS > drives > on FreeBSD11.0-RC1. > Also on FreeBSD10.3 this behavior is not at all observed on SATA as well. > We are debugging the issue but it would be much helpful if we can get > quick > inputs/pointers. > > Please find below the detailed information- > > OS: FreeBSD 11.0 RC1 > Controller: LSI's MegaRAID invader controller > > Connected devices list: > > root@freeBSD11:~ # camcontrol devlist > <ST500NM0011 PA09> at scbus5 target 0 lun 0 (pass0,ada0) > <AHCI SGPIO Enclosure 1.00 0001> at scbus6 target 0 lun 0 (ses0,pass1) > <ATA ST9250610NS SN01> at scbus8 target 51 lun 0 > (da9,pass11)----------------------------------------->this is SATA drive > which is getting > deleted and re-added post controller reset > <SEAGATE ST9300605SS 0004> at scbus8 target 163 lun 0 (da8,pass10) > <LSI Default 5.00> at scbus9 target 0 lun 0 (da6,pass8) > <LSI Default 5.00> at scbus9 target 1 lun 0 (da2,pass4) > <LSI Default 5.00> at scbus9 target 2 lun 0 (da0,pass2) > <LSI Default 5.00> at scbus9 target 3 lun 0 (da7,pass9) > <LSI Default 5.00> at scbus9 target 4 lun 0 (da3,pass5) > <LSI Default 5.00> at scbus9 target 5 lun 0 (da1,pass3) > <SEAGATE ST600MP0005 VS09> at scbus10 target 48 lun 0 (da4,pass6) > <SEAGATE ST600MP0005 VS09> at scbus10 target 54 lun 0 (da5,pass7) > > > Relevant dmesg logs snippet(da9 is SATA drive which is getting deleted and > added back): > > ================================ > mrsas0: Initiaiting OCR because of FW fault! > mrsas0: Waiting for FW to come to ready state > mrsas0: Jbod map is supported > mrsas0: Reset successful > da9 at mrsas0 bus 1 scbus8 target 51 lun 0 > da9: <ATA ST9250610NS SN01> s/n 9XE02AR2 detached > (da9:mrsas0:1:51:0): Periph destroyed > (da9:mrsas0:1:51:0): UNMAPPED > (da9:mrsas0:1:51:0): fatal error, could not acquire reference count > g_access(918): provider da9 has error > g_access(918): provider da9 has error > g_access(918): provider da9 has error > (da9:mrsas0:1:51:0): UNMAPPED > da9 at mrsas0 bus 1 scbus8 target 51 lun 0 > da9: <ATA ST9250610NS SN01> Fixed Direct Access SPC-4 SCSI device > da9: Serial Number 9XE02AR2 > da9: 150.000MB/s transfers > da9: 238475MB (488397168 512 byte sectors) > ================================= > > Thanks, > Sumit
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