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--- title: HasturAtaFailures --- # 2009-01-06 See /root/messages.sdf-failing. Or possibly just a raid glitch. # 2009-01-18 ## Test * Connect drives * Assemble array * dd if=/dev/md3 bs=4k of=/dev/null ## Reference * Drives direct SATA connected * Drives powered by enclosure PSU ### Configuration | A | B | C | D | E | | - | - | - | - | - | | 6 | | 5 | | 1 | | F | 2 | | - | - | | G | 3 | | H | 4 | ## Test backplane ### Test Slot D | A | B | C | D | E | | - | - | - | - | - | | 6 | | 5 | 4 | 1 | | F | 2 | | - | - | | G | 3 | | H | | * Not Stable ### Test Slot B | A | B | C | D | E | | - | - | - | - | - | | 6 | 4 | 5 | | 1 | | F | 2 | | - | - | | G | 3 | | H | | * Stable ### Test Slot B & D | A | B | C | D | E | | - | - | - | - | - | | 6 | 4 | 5 | 3 | 1 | | F | 2 | | - | - | | G | | | H | | * Not Stable ### Swap disks 3 and 4 | A | B | C | D | E | | - | - | - | - | - | | 6 | 3 | 5 | 4 | 1 | | F | 2 | | - | - | | G | | | H | | * Not Stable ### Swap power supply cables * Removed and cleaned 5-bay IcyDock * Swap power supply cables * Old: Cables 1->A, 2->BC, 3->DE. * New: 1->BC, 2->DE, 3->A * Stable | A | B | C | D | E | | - | - | - | - | - | | 6 | 4 | 5 | | 1 | | F | 2 | | - | - | | G | 3 | | H | | ### Slot D again | A | B | C | D | E | | - | - | - | - | - | | 6 | | 5 | 4 | 1 | | F | 2 | | - | - | | G | 3 | | H | | * Stable ### Slots B & D again | A | B | C | D | E | | - | - | - | - | - | | 6 | 3 | 5 | 4 | 1 | | F | 2 | | - | - | | G | | | H | | * Stable ### Connect PMP bridges * Power up, leave disks direct-connected * Connect bottom bridge | A | B | C | D | E | | - | - | - | - | - | | 6 | 3 | 5 | 4 | 1 | | F | 2 | | - | - | | G | | | H | | * Stable * Connect upper bridge * Same configuration * Stable ### PMP Connect Slot F * Connect F to bottom bridge * Connect bottom bridge through eSATA | A | B | C | D | E | | - | - | - | - | - | | 6 | 3 | 5 | 4 | 1 | | F | 2 | | - | - | | G | | | H | | ### Reconnect Everything * Reconnected all drives through PMP bridges * PMP bridges to SiI3132 * Reboot seemed normal | A | B | C | D | E | | - | - | - | - | - | | 6 | | 5 | | 1 | | F | 2 | | - | - | | G | 3 | | H | 4 | * All seems normal # 2009-06-29 * Occurred at 20h47 * double disk failure * sdc? failed first * alarm in enclosure, ejected failed disk (should have removed with mdadm?) * made array read-only * system lock-up shortly thereafter? * See [HasturRaidRecovery][3] [3]: HasturRaidRecovery
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