After installing debian using Martin's instructions and updateing, I built two raid5 devices: one w/ 1.5GB (md1) and the other w/ ~3TB (md0). While rebuilding raid 5 on md0 on 4 Western Digtial WD10EADS 1TB I'm encountering the following on md1 Dec 23 12:10:01 utah kernel: [43103436.040000] md1_resync D c020fd94 0 2887 2 Dec 23 12:10:01 utah kernel: [43103436.050000] [<c020fa34>] (schedule +0x0/0x3ac) from [<bf069de4>] (md_do_sync+0x224/0xad8 [md_mod]) Dec 23 12:10:01 utah kernel: [43103436.050000] [<bf069bc0>] (md_do_sync +0x0/0xad8 [md_mod]) from [<bf06bb68>] (md_thread+0x10c/0x128 [md_mod]) Dec 23 12:10:01 utah kernel: [43103436.060000] [<bf06ba5c>] (md_thread +0x0/0x128 [md_mod]) from [<c0056eb8>] (kthread+0x5c/0x94) Dec 23 12:10:01 utah kernel: [43103436.070000] r7:00000000 r6:bf06ba5c r5:cfdd0a60 r4:c0990000 Dec 23 12:10:01 utah kernel: [43103436.080000] [<c0056e5c>] (kthread +0x0/0x94) from [<c0046360>] (do_exit+0x0/0x6a0) Dec 23 12:10:01 utah kernel: [43103436.090000] r6:00000000 r5:00000000 r4:00000000 The rebuild on md1 has been delayed until the rebuild on md0 has completed. After both resyncs were reported successful I rebooted the system. The kernel reports the presence of all four drives. However the first three were brought up w/ 1.5GB/s and the fourth w/ apparently 3GB/s. Running smartctl on the drives reports: Warning! Drive Identity Structure error: invalid SMART checksum. Warning! SMART Attribute Data Structure error: invalid SMART checksum. Thereafter I ran 'smartctl -t short' on all four drives which result with SMART Self-test log structure revision number 1 Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Short offline Completed without error 00% 48 - Furthermore no Reallocated_Sector_Ct, Seek_Error_Rate nor other apparent errors have been observed. The raid(s) are being constructed and bound to the system correctly during booting. I've attached an excerpt of messages while resyncing and booting, as well as a SMART log of a drive after running the short version of the self-test. Can someone localized the discrepancies I'm experiencing? I have no idea if the problem is the sata_mv driver, raid5 driver, a general kernel problem, a hardware problem w/ the TS-409 and/or if the problem lies w/ three of the four drives. I'm also sending this mail to the first level support of the distributor who configured and sold me the QNAP device. Hoping someone can help... John Holland ___________________________________________ Cellent Finance Solutions AG Firmensitz: Calwer Straße 33, 70173 Stuttgart Registergericht: Amtsgericht Stuttgart, HRB 720743 Vorstand: Thomas Wild Vorsitzender des Aufsichtsrats: Rudolf Zipf
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