Re: IO failures with SMR drives at latest kernel versions

2015-08-26 Thread Anatol Pomozov
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 h...@suse.de wrote: On 08/26/2015 06:53 AM, Anatol Pomozov wrote: Hi On Sun, Aug 23, 2015

Re: IO failures with SMR drives at latest kernel versions

2015-08-25 Thread Anatol Pomozov
Hi On Sun, Aug 23, 2015 at 11:15 PM, Hannes Reinecke h...@suse.de 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

Re: IO failures with SMR drives at latest kernel versions

2015-08-24 Thread Anatol Pomozov
Hi On Sun, Aug 23, 2015 at 11:15 PM, Hannes Reinecke h...@suse.de wrote: On 08/22/2015 07:23 PM, Anatol Pomozov wrote: Hi On Fri, Aug 21, 2015 at 10:37 PM, Anatol Pomozov anatol.pomo...@gmail.com wrote: Discs are from different batches and I was a bit surprised to see identical failures

Re: IO failures with SMR drives at latest kernel versions

2015-08-22 Thread Anatol Pomozov
Hi On Fri, Aug 21, 2015 at 10:37 PM, Anatol Pomozov anatol.pomo...@gmail.com 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

IO failures with SMR drives at latest kernel versions

2015-08-21 Thread Anatol Pomozov
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: [systemd-devel] [RFC v2 3/6] kthread: warn on kill signal if not OOM

2014-10-15 Thread Anatol Pomozov
Hi On Fri, Oct 10, 2014 at 3:45 PM, Tom Gundersen t...@jklm.no wrote: On Fri, Oct 10, 2014 at 11:54 PM, Anatol Pomozov anatol.pomo...@gmail.com 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

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

2014-10-10 Thread Anatol Pomozov
Hi On Fri, Sep 12, 2014 at 1:09 PM, Luis R. Rodriguez mcg...@do-not-panic.com wrote: On Thu, Sep 11, 2014 at 10:48 PM, Tom Gundersen t...@jklm.no wrote: On Fri, Sep 12, 2014 at 12:26 AM, Luis R. Rodriguez mcg...@do-not-panic.com wrote: On Thu, Sep 11, 2014 at 2:43 PM, Tom Gundersen

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

2013-09-26 Thread Anatol Pomozov
Hi On Thu, Sep 26, 2013 at 7:18 AM, Hannes Reinecke h...@suse.de 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 9:07 AM, Tejun Heo t...@kernel.org wrote: Hello, On Wed