IO failures with SMR drives at latest kernel versions

Hi I recently got 2 Seagate 8Tb drives. 'dd' over whole disc ran fine. Then I inserted into my RAID and started rebalancing. I've got following error almost immediately: ata5.00: failed command: WRITE FPDMA QUEUED ata5.00: cmd 61/00:e0:80:e7:75/1d:00:9f:00:00/40 tag 28 ncq 3801088 out

Re: IO failures with SMR drives at latest kernel versions

Hi On Fri, Aug 21, 2015 at 10:37 PM, Anatol Pomozov wrote: > Discs are from different batches and I was a bit surprised to see > identical failures at the same time. I was ready send the drives to > RMA but then I discovered this thread > https://bbs.archlinux.org/viewtopic.php?id=

Re: IO failures with SMR drives at latest kernel versions

Hi On Sun, Aug 23, 2015 at 11:15 PM, Hannes Reinecke wrote: > On 08/22/2015 07:23 PM, Anatol Pomozov wrote: >> Hi >> >> On Fri, Aug 21, 2015 at 10:37 PM, Anatol Pomozov >> wrote: >>> Discs are from different batches and I was a bit surprised to see >>&g

Re: IO failures with SMR drives at latest kernel versions

Hi On Sun, Aug 23, 2015 at 11:15 PM, Hannes Reinecke wrote: >> I looked at this commit and it actually adds SMR support to SCSI >> layer. Reverting ATA_DEV_ZAC means going back to zones-unaware >> algorithms. It is suboptimal but still much better than IO failures >> and "BTRFS: lost page write d

Re: IO failures with SMR drives at latest kernel versions

Hi The same issue was reported here http://www.spinics.net/lists/linux-ide/msg50641.html Adding Adrian from Seagate to help track down this issue. On Tue, Aug 25, 2015 at 11:40 PM, Hannes Reinecke wrote: > On 08/26/2015 06:53 AM, Anatol Pomozov wrote: >> Hi >> >> On Sun,

Re: [systemd-devel] [RFC v2 3/6] kthread: warn on kill signal if not OOM

Hi On Fri, Sep 12, 2014 at 1:09 PM, Luis R. Rodriguez wrote: > On Thu, Sep 11, 2014 at 10:48 PM, Tom Gundersen wrote: >> On Fri, Sep 12, 2014 at 12:26 AM, Luis R. Rodriguez >> wrote: >>> On Thu, Sep 11, 2014 at 2:43 PM, Tom Gundersen wrote: How about simply introducing a new flag to finit

Re: Race condition between "read CFQ stats" and "block device shutdown"

Hi On Thu, Sep 26, 2013 at 7:18 AM, Hannes Reinecke wrote: > On 09/26/2013 03:54 PM, Tejun Heo wrote: >> Hello, (cc'ing linux-scsi) >> >> On Wed, Sep 25, 2013 at 01:37:51PM -0700, Anatol Pomozov wrote: >>> Hi >>> >>> On Wed, Sep 4, 2013 at 9:

Re: [systemd-devel] [RFC v2 3/6] kthread: warn on kill signal if not OOM

Hi On Fri, Oct 10, 2014 at 3:45 PM, Tom Gundersen wrote: > On Fri, Oct 10, 2014 at 11:54 PM, Anatol Pomozov > wrote: >> 1) Why not to make the timeout configurable through config file? There >> is already udev.conf you can put config option there. Thus people with >> mo