Re: GlusterFS over multiples HDD

[Gilberto Nunes <gilberto.nunes32@xxxxxxxxx>]

I meant, if you power off the server, pull off 1 disk, and then power on we get system errors....

---

Gilberto Nunes Ferreira

(47) 3025-5907

(47) 99676-7530 - Whatsapp / Telegram

Skype: gilberto.nunes36

Em qui., 30 de jul. de 2020 às 09:59, Gilberto Nunes <gilberto.nunes32@xxxxxxxxx> escreveu:

Yes! But still with mdadm if you lose 1 disk and reboot the server, the system crashes.

But with ZFS there's no crash.

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Gilberto Nunes Ferreira

(47) 3025-5907

(47) 99676-7530 - Whatsapp / Telegram

Skype: gilberto.nunes36

Em qui., 30 de jul. de 2020 às 09:55, Strahil Nikolov <hunter86_bg@xxxxxxxxx> escreveu:

I guess  there  is no  automatic  hot-spare  replacement in LVM, but  mdadm has  that  functionality.

Best  Regards,
Strahil Nikolov


На 30 юли 2020 г. 15:39:18 GMT+03:00, Gilberto Nunes <gilberto.nunes32@xxxxxxxxx> написа:
>Doing some research and the chvg command, which is responsable for
>create
>hotspare disks in LVM is available only in AIX!
>I have a Debian Buster box and there is no such command chvg. Correct
>me if
>I am wrong....
>---
>Gilberto Nunes Ferreira
>
>(47) 3025-5907
>(47) 99676-7530 - Whatsapp / Telegram
>
>Skype: gilberto.nunes36
>
>
>
>
>
>Em qui., 30 de jul. de 2020 às 02:05, Strahil Nikolov
><hunter86_bg@xxxxxxxxx>
>escreveu:
>
>> LVM allows creating/converting striped/mirrored LVs without any
>dowtime
>> and it's using the md module.
>>
>> Best Regards,
>> Strahil Nikolov
>>
>> На 28 юли 2020 г. 22:43:39 GMT+03:00, Gilberto Nunes <
>> gilberto.nunes32@xxxxxxxxx> написа:
>> >Hi there....
>> >
>> >'till now, I am using glusterfs over XFS and so far so good.
>> >Using LVM too....
>> >Unfortunately, there is no way with XFS to merge two or more HDD, in
>> >order
>> >to use more than one HDD, like RAID1 or RAID5.
>> >My primary goal is to use two server with GlusterFS on top of
>multiples
>> >HDDs for qemu images.
>> >I have think about BTRFS or mdadm.
>> >Anybody has some experience on this?
>> >
>> >Thanks a lot
>> >
>> >---
>> >Gilberto Nunes Ferreira
>>

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