Thanks Kristan, a scrub would be great; mine appeared to be working fine until the scrub (although I hadn't yet run a balance on it so who knows).
I might move my 8TB onto the motherboard controller and see if the situation improves. Will update here tonight. Cheers, W. On 12 October 2015 at 11:53, Kristan <kris...@bekus.id.au> wrote: > Warren Hughes <wsh <at> warrenhughes.net> writes: > >> >> Hi guys, just added a new Seagate Archive 8TB drive to my BTRFS volume >> and I'm getting a tonne of errors when balancing or scrubbing. >> >> A short smartctl test reports fine, running a long one now. Will also >> run seatools from a bootable DOS USB while at work today. >> >> Running latest firmware on my 9240-8i which explicitly supports this > drive. >> >> I'm finding it very hard to tell if SMR drives are OK with BTRFS >> currently - anyone chime in? >> >> Thanks, Warren >> >> [wsh <at> cloud storcli]$ uname -a >> Linux cloud.warrenhughes.net 4.1.10-2-lts #1 SMP Wed Oct 7 21:57:44 >> CEST 2015 x86_64 GNU/Linux >> >> [wsh <at> cloud storcli]$ sudo btrfs version >> btrfs-progs v4.2.1 >> >> [wsh <at> cloud ~]$ sudo btrfs scrub status /mnt/media >> scrub status for 643c3145-8371-4011-8c34-20240e1bbaff >> scrub started at Sun Oct 11 20:37:38 2015 and was aborted > after 10:35:47 >> total bytes scrubbed: 8.15TiB with 104218141 errors >> error details: read=98736175 csum=5481966 >> corrected errors: 5484382, uncorrectable errors: 98733759, >> unverified errors: 0 >> >> [/dev/sdo].write_io_errs 100154203 >> [/dev/sdo].read_io_errs 98735251 >> [/dev/sdo].flush_io_errs 634 >> [/dev/sdo].corruption_errs 5481966 >> [/dev/sdo].generation_errs 0 >> > > hi Warren, > > I recently (last week) built a 3 disk RAID 5 array using the same 8TB > drives which worked fine holding ~12TB then added a 4th disk using a > JMicron PCI SATA controller. I then ran a balance which failed after > just over 1TB written to the 4th disk. This caused the entire array to > fail but the main difference to your scenario was that the 4th disk also > wasn't reporting to SMART properly. > I then moved all 4 disks onto the motherboard based SATA controller, > built the array fresh and have copied ~18TB onto it and it seems to be > working fine. Perhaps I should try a scrub and see :) > > I'm using Centos 7.1 but kernel 4.2.1-ml and btrfs-progs 4.2.2 > Kristan > > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Warren Hughes +64 21 633324 IM: gtalk + msn: this email address, skype: akawsh -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
