Re: RAID5 created by 8 disks works with xfs

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I did more tests, and found the mkfs.xfs did not hang.

I tried to make the xfs on 7TB logical volume, both 2.10.1 and 3.1.5
mkfs.xfs -f dev will work well, less than one minute.

But when i tried to make xfs on 8TB logical volume, 2.10.1 works well,
less than 1 minute, but 3.1.5 needs 5 minutes.

On 4/6/12, daobang wang <wangdb1981@xxxxxxxxx> wrote:
> Hi Jacky,
>
>      Yes, the environment is like your description, i will try with
> your suggestion. thanks a lot.
>
> On 4/6/12, Jack Wang <jack.wang.usish@xxxxxxxxx> wrote:
>> using bigger inode size or inode64 does help?
>>
>> So your environment is NVR software running in Linux ,100+ D1 streamer
>> directly write to filesystem on top of 16 SATA disks (with raid5 and
>> vg)?
>>
>> 2012/4/6 daobang wang <wangdb1981@xxxxxxxxx>:
>>> There is another issue, i updated xfsprog from 2.10.1 to 3.1.5, and
>>> found i could not make the xfs filesystem when the logical volume size
>>> large than 8TB with command mkfs.xfs -f -i size=512
>>> /dev/vg+vg00+20120406101850/lv+nxx+lv0000, this command seems hang, it
>>> did not return for a long time, is there any parameter i should
>>> adjust?
>>>
>>> Thank you very much
>>>
>>> Best Regards,
>>> Daobang Wang.
>>>
>>> On 4/6/12, daobang wang <wangdb1981@xxxxxxxxx> wrote:
>>>> Hi All,
>>>>
>>>>     I have found the solution, i updated the xfsprogs from 2.10.1 to
>>>> 3.1.5, and could repair it, Thanks.
>>>>
>>>> Best Wishes,
>>>> Daobang Wang.
>>>>
>>>> On 4/6/12, Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx> wrote:
>>>>> On 4/5/2012 1:48 AM, daobang wang wrote:
>>>>>> Hi stan,
>>>>>>
>>>>>>      I duplicated the input/output error issue, about the detail
>>>>>> operations and logs, please see the attachments, Is there any way to
>>>>>> fix this? thanks!
>>>>>>
>>>>>> Best Regards,
>>>>>> Daobang Wang.
>>>>>
>>>>>
>>>>> These fiilesystem issues have nothing to do with linux-raid.  I'm
>>>>> copying the XFS mailing list which is where this discussion should be
>>>>> taking place from this point forward.  Please reply-to-all, and paste
>>>>> the output you previously attached, but inline this time.
>>>>>
>>>>> Also, since the XFS folks are unfamiliar with what you're doing up to
>>>>> this point, please provide a basic description of your
>>>>> hardware/storage
>>>>> setup, kernel version, mdraid configuration, xfs_info output as well
>>>>> as
>>>>> your fstab XFS mount options, and a description of your workload.
>>>>>
>>>>> My best guess at this point as to the du and ls errors is that your
>>>>> application is not behaving properly, or you're still running with XFS
>>>>> barriers disabled, which, I say _loudly_ for the 2nd time, you should
>>>>> NOT do in the absence of BBWC, which you stated you do not have.
>>>>>
>>>>> --
>>>>> Stan
>>>>>
>>>>
>>> --
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>>
>
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