On 15.02.2017 03:10, TE Dukes wrote:
>
>
>> -Original Message-
>> From: CentOS [mailto:centos-boun...@centos.org] On Behalf Of John R
>> Pierce
>> Sent: Tuesday, February 14, 2017 8:13 PM
>> To: centos@centos.org
>> Subject: Re: [CentOS] RAID que
On 2017-02-17, John R Pierce wrote:
> On 2/16/2017 9:18 PM, Keith Keller wrote:
>>> Only some systems support that sort of restriping, and its a dangerous
>>> activity (if the power fails or system crashes midway through the
>>> restriping operation, its probably not restartable, you quite likely
On 02/16/2017 09:18 PM, Keith Keller wrote:
Doesn't mdraid support changing RAID levels?
It supports a small number of conversions. See the "GROW MODE" section
of mdadm for details.
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On 2/16/2017 9:18 PM, Keith Keller wrote:
On 2017-02-15, John R Pierce wrote:
On 2/14/2017 4:48 PM,tdu...@palmettoshopper.com wrote:
3 - Can additional drive(s) be added later with a changein RAID level
without current data loss?
Only some systems support that sort of restriping, and its a
On 2017-02-15, John R Pierce wrote:
> On 2/14/2017 4:48 PM, tdu...@palmettoshopper.com wrote:
>
>> 3 - Can additional drive(s) be added later with a changein RAID level
>> without current data loss?
>
> Only some systems support that sort of restriping, and its a dangerous
> activity (if the powe
Am Dienstag, den 14.02.2017, 20:21 -0500 schrieb Digimer:
> On 14/02/17 08:12 PM, John R Pierce wrote:
> > On 2/14/2017 5:08 PM, Digimer wrote:
> >> Note; If you're mirroring /boot, you may need to run grub install on
> >> both disks to ensure they're both actually bootable (or else you might
> >>
> -Original Message-
> From: CentOS [mailto:centos-boun...@centos.org] On Behalf Of John R
> Pierce
> Sent: Tuesday, February 14, 2017 8:13 PM
> To: centos@centos.org
> Subject: Re: [CentOS] RAID questions
>
> On 2/14/2017 5:08 PM, Digimer wrote:
> > Note;
On 14/02/17 08:12 PM, John R Pierce wrote:
> On 2/14/2017 5:08 PM, Digimer wrote:
>> Note; If you're mirroring /boot, you may need to run grub install on
>> both disks to ensure they're both actually bootable (or else you might
>> find yourself doing an emergency boot off the CentOS ISO and install
On 2/14/2017 5:08 PM, Digimer wrote:
Note; If you're mirroring /boot, you may need to run grub install on
both disks to ensure they're both actually bootable (or else you might
find yourself doing an emergency boot off the CentOS ISO and installing
grub later).
I left that out because the OP wa
On 14/02/17 07:58 PM, John R Pierce wrote:
> On 2/14/2017 4:48 PM, tdu...@palmettoshopper.com wrote:
>> 1- Better to go with a hardware RAID (mainboardsupported) or software?
>
> I would only use hardware raid if its a card with battery (or
> supercap+flash) backed writeback cache, such as a megar
On 2/14/2017 4:48 PM, tdu...@palmettoshopper.com wrote:
1- Better to go with a hardware RAID (mainboardsupported) or software?
I would only use hardware raid if its a card with battery (or
supercap+flash) backed writeback cache, such as a megaraid, areca, etc.
otherwise I would use mdraid mi
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