On 10/21/19 9:34 PM, Zygo Blaxell wrote:
> On Mon, Oct 21, 2019 at 05:27:54PM +0200, Edmund Urbani wrote:
>> On 10/16/19 9:42 PM, Zygo Blaxell wrote:
>>> For raid5 I'd choose btrfs -draid5 -mraid1 over mdadm raid5
>>> sometimes--even with the write hole, I'd e
On 10/16/19 9:42 PM, Zygo Blaxell wrote:
>
> For raid5 I'd choose btrfs -draid5 -mraid1 over mdadm raid5
> sometimes--even with the write hole, I'd expect smaller average data
> losses than mdadm raid5 + write hole mitigation due to the way disk
> failure modes are distributed.
What about the wr
Hello everyone,
having recovered most of my data from my btrfs RAID-6, I have by now migrated to
mdadm RAID (with btrfs on top). I am considering switching back to btrfs RAID
some day, when I feel more confident regarding its maturity.
I put some thought into the pros and cons of this choice that
On 05.09.2019 21:57, Chris Murphy wrote:
On Thu, Sep 5, 2019 at 1:18 PM Edmund Urbani wrote:
On 04.09.2019 07:36, Chris Murphy wrote:
I have tried all the mount / restore options listed here:
https://forums.unraid.net/topic/46802-faq-for-unraid-v6/page/2/?tab=comments#comment-543490
Good
On 04.09.2019 07:36, Chris Murphy wrote:
I have tried all the mount / restore options listed here:
https://forums.unraid.net/topic/46802-faq-for-unraid-v6/page/2/?tab=comments#comment-543490
Good. Stick with ro attempts for now. Including if you want to try a
newer kernel. If it succeeds t
On 9/4/19 2:35 PM, Piotr Szymaniak wrote:
> On Wed, Sep 04, 2019 at 08:18:09AM +0200, Edmund Urbani wrote:
>> *snip*
>> The timeout under /sys is 30 for all of them.
>>
>> I am not sure what you mean by SCT ERC value and where to look for that.
>> Here's al
On 09/04/2019 07:36 AM, Chris Murphy wrote:
> On Tue, Sep 3, 2019 at 10:41 PM Edmund Urbani
> wrote:
>> Also there are a few of these:
>> Sep 1 21:10:17 phoenix kernel: ata6.00: exception Emask 0x0 SAct
>> 0x1020 SErr 0x0 action 0x0
>> Sep 1 21:10:17 pho
On 09/04/2019 01:30 AM, Chris Murphy wrote:
> On Tue, Sep 3, 2019 at 2:20 PM Edmund Urbani wrote:
>>
>> Hi all,
>>
>> two days ago my btrfs filesystem became quite slow and the logs showed a
>> lot of I/O errors on one of the HDDs. I ordered a replacement
Hi all,
two days ago my btrfs filesystem became quite slow and the logs showed a
lot of I/O errors on one of the HDDs. I ordered a replacement drive and
tried to remove the failing drive from the filesystem (btrfs device
remove). That removal command did not finish but just sat there without
any
