Re: Linux supports hot-swappable hardware? [was Re:

From: Jonathan Bartlett <johnnyb(at)eskimo(dot)com>
To: "scott(dot)marlowe" <scott(dot)marlowe(at)ihs(dot)com>
Cc: Ernest E Vogelsinger <ernest(at)vogelsinger(dot)at>, <shridhar_daithankar(at)persistent(dot)co(dot)in>, <pgsql-general(at)postgresql(dot)org>
Subject: Re: Linux supports hot-swappable hardware? [was Re:
Date: 2003-06-18 15:55:42
Message-ID: Pine.GSU.4.44.0306180855020.6604-100000@eskimo.com
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> > As for SCSI disks and Power supplies, Linux supports hot swap. Check out
> > Dell servers for example.
>
> Linux doesn't need to do anything to allow that, only the hardware needs
> to. It's kept away from the kernel by the RAID controller (in the case of
> disks) or just not noticed in the PS department.

This is true, however, Linux also, to some extent, support generic SCSI
hotswap when the controller will handle it.

Jon

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