Re: drive controller Q?
Hello,
On Wed, Sep 14, 2022 at 04:38:35PM -0400, gene heskett wrote:
> On 9/14/22 16:03, Dan Ritter wrote:
> > The glory of software RAID over SATA3 is that they don't have to
> > be on the same controller at all. All the clever systems put
> > identifiers on each of the participating drives and you can
> > assemble the RAID without necessarily knowing where all the
> > parts are -- they will be found.
> Great. Good news. So all I really need are the drives.
> > (This is definitely the case for mdadm and ZFS, probably less so
> > for btrfs, and possibly not at all true for LVM.)
> I knew there was a reason I've never used LVM. But I didn't know it till
> now.
You still do not know it - LVM will look for its PVs on any
available block device, unless it has been told not to scan
particular patterns of block device name. It's conceptually not any
different to MD in this regard.
Cheers,
Andy
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