Re: [SLUG] hot swapping hard drives

2009-05-16 Thread Daniel Pittman
Grahame Kelly grah...@wildpossum.com writes: Of the seven systems I look after, three have hot-swapping HDA's via a RAID5/6 drive enclosures, two systems have add-on SATAII caddies for hot-swap and the others are without hot-swapping. If your interested, and to reset your angst a little, I

Re: [SLUG] hot swapping hard drives

2009-05-16 Thread Daniel Pittman
Adrian Chadd adr...@creative.net.au writes: Uhm, I'm reasonably sure there's more to hot swap than the physical and electrical connections. *nod* You are quite correct here. [...] There also may be a requirement for you to manually tell the OS to detach and attach disk devices. This is

Re: [SLUG] hot swapping hard drives

2009-05-16 Thread Tony Sceats
The CLI command umount does this within the Linux / Unix OS. That should have the filesystem flush data, but doesn't actually push out dirty pages for the device — if you accessed it raw at any point this will not be sufficient. (Also, lower layers such as LVM, software RAID, etc, might

Re: [SLUG] hot swapping hard drives

2009-05-16 Thread Jeremy Visser
On Sat, 2009-05-16 at 13:49 +1000, david wrote: While on the subject, Ubuntu used to have a convenient little applet that gave a list of installed hardware. It seems to have vanished. Does anyone know what it was called and whether it still exists? It's called gnome-device-manager, which

lshal, gnome-device-manager, was Re: [SLUG] hot swapping hard drives

2009-05-16 Thread david
Thanks Jeremy, lshal is PERFECT and I didn't know it existed. Much nicer than the gnome version. Having said that, why did Ubuntu take it out? I now know that I have an 82801GB/GR/GH (ICH7 Family) SATA IDE Controller which may help with the original question ;-) David Jeremy Visser wrote:

Re: [SLUG] hot swapping hard drives

2009-05-16 Thread Daniel Pittman
Tony Sceats tony.sce...@gmail.com writes: The CLI command umount does this within the Linux / Unix OS. That should have the filesystem flush data, but doesn't actually push out dirty pages for the device — if you accessed it raw at any point this will not be sufficient. (Also, lower layers

Re: [SLUG] hot swapping hard drives

2009-05-16 Thread Tony Sceats
On Sat, May 16, 2009 at 6:19 PM, Daniel Pittman dan...@rimspace.net wrote: Tony Sceats tony.sce...@gmail.com writes: The CLI command umount does this within the Linux / Unix OS. That should have the filesystem flush data, but doesn't actually push out dirty pages for the device — if you

[SLUG] hot swapping hard drives

2009-05-15 Thread david
I've just installed a sata hard drive bay for a second drive, the kind that has a little front door so you can slip the drive in and out. The point of installing it was to make it easy to change drives when doing backups, but I had assumed that I would have to shut down before taking the

Re: [SLUG] hot swapping hard drives

2009-05-15 Thread Luke Yelavich
On Fri, May 15, 2009 at 11:58:14PM EST, david wrote: I've just installed a sata hard drive bay for a second drive, the kind that has a little front door so you can slip the drive in and out. The point of installing it was to make it easy to change drives when doing backups, but I had

Re: [SLUG] hot swapping hard drives

2009-05-15 Thread david
Luke Yelavich wrote: On Fri, May 15, 2009 at 11:58:14PM EST, david wrote: I've just installed a sata hard drive bay for a second drive, the kind that has a little front door so you can slip the drive in and out. The point of installing it was to make it easy to change drives when doing

[SLUG] hot swapping hard drives

2009-05-15 Thread Grahame Kelly
better surge power - so if your current PSU is a bit iffy, it will probably fail in time has been my experience. Hope this helps. Cheers. Grahame From: david da...@kenpro.com.au Date: 15 May 2009 11:58:14 PM To: slug@slug.org.au Subject: [SLUG] hot swapping hard drives I've just installed a sata

Re: [SLUG] hot swapping hard drives

2009-05-15 Thread Adrian Chadd
...@kenpro.com.au Date: 15 May 2009 11:58:14 PM To: slug@slug.org.au Subject: [SLUG] hot swapping hard drives I've just installed a sata hard drive bay for a second drive, the kind that has a little front door so you can slip the drive in and out. The point of installing it was to make it easy

Re: [SLUG] hot swapping hard drives

2009-05-15 Thread Daniel Pittman
Luke Yelavich them...@themuso.com writes: On Fri, May 15, 2009 at 11:58:14PM EST, david wrote: I've just installed a sata hard drive bay for a second drive, the kind that has a little front door so you can slip the drive in and out. The point of installing it was to make it easy to change

Re: [SLUG] hot swapping hard drives

2009-05-15 Thread Grahame Kelly
in time has been my experience. Hope this helps. Cheers. Grahame From: david da...@kenpro.com.au Date: 15 May 2009 11:58:14 PM To: slug@slug.org.au Subject: [SLUG] hot swapping hard drives I've just installed a sata hard drive bay for a second drive, the kind that has a little front door so you can