Date: Fri, 11 Jan 2013 01:23:23 +0100 (CET) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: hackers@freebsd.org Subject: SATA disk disappears Message-ID: <alpine.BSF.2.00.1301110121060.6708@wojtek.tensor.gdynia.pl>
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got this on dell poweredge T110 server with 4 disks, including two 3TB drives (ada2,ada3): ahcich2: Timeout on slot 8 port 0 ahcich2: is 00000000 cs 1ffffe00 ss 1fffff00 rs 1fffff00 tfd 40 serr 00000000 cmd 0000c817 ahcich2: AHCI reset: device not ready after 31000ms (tfd = 00000080) (ada2:ahcich2:0:0:0): lost device GEOM_MIRROR: Request failed (error=6). ada2[WRITE(offset=2997587410944, length=753664)] GEOM_MIRROR: Device home1: provider ada2 disconnected. (ada2:ahcich2:0:0:0): removing device entry did camcontrol reset 2, rescan 2 and ada2 reappeared ada2 at ahcich2 bus 0 scbus2 target 0 lun 0 ada2: <WDC WD30EZRX-00DC0B0 80.00A80> ATA-9 SATA 3.x device ada2: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes) ada2: Command Queueing enabled ada2: 2861588MB (5860533168 512 byte sectors: 16H 63S/T 16383C) GEOM_MIRROR: Component ada2 (device home1) broken, skipping. GEOM_MIRROR: Cannot add disk ada2 to home1 (error=22). started gmirror rebuild and it now works at full speed. GEOM_MIRROR: Device home1: rebuilding provider ada2. What kind of hardware failure may it be? smartctl -a /dev/ada2 shows disk is fine. I use latest FreeBSD-8
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