On Thu, Jul 24, 2014 at 3:33 AM, Kay Diederichs <kay.diederichs@xxxxxxxxxxxxxxx> wrote: > On 07/24/2014 04:29 AM, George Rapp wrote: >> Hi - >> [big snip] >> Kay Thanks for your feedback. I'll try to address the details of what you asked below. > this is not necessarily a RAID problem. Can you exclude the possibility > that one or more of the disks have a hardware problem, like the one you > replaced which showed >>> Device: /dev/sdf [SAT], 35 Currently unreadable (pending) sectors > Hardware problems would explain the problems you have. > > What does smartctl report about your disks, in particular: > Offline_Uncorrectable > Current_Pending_Sector > Reallocated_Sector_Ct I don't think any of my current disks are showing signs of hardware problems, looking for the values you suggested: [root@backend3 gwr]# smartctl -a /dev/sdb | grep -E "Uncorrectable|Pending|Reallocated" 5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always - 0 197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 0 198 Offline_Uncorrectable 0x0010 100 100 000 Old_age Offline - 0 [root@backend3 gwr]# smartctl -a /dev/sdd | grep -E "Uncorrectable|Pending|Reallocated" 5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always - 0 197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 8 198 Offline_Uncorrectable 0x0010 100 100 000 Old_age Offline - 8 [root@backend3 gwr]# smartctl -a /dev/sde | grep -E "Uncorrectable|Pending|Reallocated" 5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0 196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0 197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 0 198 Offline_Uncorrectable 0x0030 100 253 000 Old_age Offline - 0 [root@backend3 gwr]# smartctl -a /dev/sdf | grep -E "Uncorrectable|Pending|Reallocated" 5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always - 0 197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 0 198 Offline_Uncorrectable 0x0010 100 100 000 Old_age Offline - 0 I can't get smartctl to tell me anything about /dev/sdc at the moment > And, is it always ATA 5.00 that is mentioned in syslog? dmesg and the > "lsdrv" script (google for it) are useful in diagnosing this. No, all five disks in the array (ATA 5.00 through 9.00) are mentioned at times in syslog. There doesn't appear to be any rhyme nor reason to it. -- George Rapp (Pataskala, OH) Home: george.rapp -- at -- gmail.com Work: george.rapp -- at -- hp.com (or) george.rapp.ctr -- at -- dfas.mil A wise and frugal government, which shall restrain men from injuring one another, which shall leave them otherwise free to regulate their own pursuits of industry and improvement, and shall not take from the mouth of labor the bread it has earned. This is the sum of good government... - Thomas Jefferson, First Inaugural Address -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
