l i n u x - u s e r s - g r o u p - o f - d a v i s
Next Meeting:
July 7: Social gathering
Next Installfest:
Latest News:
Jun. 14: June LUGOD meeting cancelled
Page last updated:
2001 Dec 30 17:11

The following is an archive of a post made to our 'vox-tech mailing list' by one of its subscribers.

Report this post as spam:

(Enter your email address)
hotswapping SCSI (was: Re: [vox-tech] hotswapping an IDE drive?)
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

hotswapping SCSI (was: Re: [vox-tech] hotswapping an IDE drive?)

On Fri, Oct 26, 2001 at 12:03:21PM -0700, Foo Lim wrote:
> BTW, how do servers with hot-swappable SCSI drives deal with this?  Does
> this mean power supply manufacturers will soon be releasing better and
> more flexible power connectors for regular consumption?  (I wouldn't hold
> my breath.)

The drives sit inside a specialized receptacle. When removing a drive, you
deactivate the drive on the RAID array's control panel, then remove it. (It
have some of these that are supposed to be hot-swappable but I've never
actually DONE it.) I can only surmise that the array has some circuitry that
prevents power spikes while swapping. Perhaps also the metal drive receptacle
may have some grounding value.

It goes without saying that hot-swappable SCSI drives are about as different
from regular IDE hardware as it gets ;-). Also note that most SCSI drives and
controllers do not tollerate hot swapping.

If your hardware supports a suspend mode, you may be able to suspend then
swap hardware. The hardware is effectively powered off so it is not really
hot-swapping but you can save your uptime :-).

Henry House
OpenPGP key available from http://romana.hajhouse.org/hajhouse.asc

Attachment: pgp00000.pgp
Description: PGP signature

LUGOD Group on LinkedIn
Sign up for LUGOD event announcements
Your email address:
LUGOD Group on Facebook
'Like' LUGOD on Facebook:

Hosting provided by:
Sunset Systems
Sunset Systems offers preconfigured Linux systems, remote system administration and custom software development.

LUGOD: Linux Users' Group of Davis
PO Box 2082, Davis, CA 95617
Contact Us

LUGOD is a 501(c)7 non-profit organization
based in Davis, California
and serving the Sacramento area.
"Linux" is a trademark of Linus Torvalds.

Sponsored in part by:
Appahost Applications
For a significant contribution towards our projector, and a generous donation to allow us to continue meeting at the Davis Library.