Gluster users - Jul 2020 - GlusterFS over multiples HDD

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

Best  Regards,
Strahil Nikolov


?? 30 ??? 2020 ?. 15:39:18 GMT+03:00, Gilberto Nunes <gilberto.nunes32 at
gmail.com> ??????:
>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 ?s 02:05, Strahil Nikolov
><hunter86_bg at yahoo.com>
>escreveu:
>
>> LVM allows creating/converting striped/mirrored LVs without any
>dowtime
>> and it's using the md module.
>>
>> Best Regards,
>> Strahil Nikolov
>>
>> ?? 28 ??? 2020 ?. 22:43:39 GMT+03:00, Gilberto Nunes <
>> gilberto.nunes32 at gmail.com> ??????:
>> >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
>>

Yes! But still with mdadm if you lose 1 disk and reboot the server, the
system crashes.
But with ZFS there's no crash.

---
Gilberto Nunes Ferreira

(47) 3025-5907
(47) 99676-7530 - Whatsapp / Telegram

Skype: gilberto.nunes36





Em qui., 30 de jul. de 2020 ?s 09:55, Strahil Nikolov <hunter86_bg at
yahoo.com>
escreveu:
> I guess  there  is no  automatic  hot-spare  replacement in LVM, but
> mdadm has  that  functionality.
>
> Best  Regards,
> Strahil Nikolov
>
>
> ?? 30 ??? 2020 ?. 15:39:18 GMT+03:00, Gilberto Nunes <
> gilberto.nunes32 at gmail.com> ??????:
> >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 ?s 02:05, Strahil Nikolov
> ><hunter86_bg at yahoo.com>
> >escreveu:
> >
> >> LVM allows creating/converting striped/mirrored LVs without any
> >dowtime
> >> and it's using the md module.
> >>
> >> Best Regards,
> >> Strahil Nikolov
> >>
> >> ?? 28 ??? 2020 ?. 22:43:39 GMT+03:00, Gilberto Nunes <
> >> gilberto.nunes32 at gmail.com> ??????:
> >> >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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