Mailinglist Archive: opensuse (2348 mails)

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Re: [opensuse] Re: Software IDE RAID versus hardware IDE RAID
  • From: "John Andersen" <jsamyth@xxxxxxxxx>
  • Date: Thu, 3 Apr 2008 10:57:54 -0700
  • Message-id: <60fb01490804031057u6073f177x8d4e4886fd5b922c@xxxxxxxxxxxxxx>
On Thu, Apr 3, 2008 at 10:26 AM, Sandy Drobic
<suse-linux-e@xxxxxxxxxxxxxxxxxxxxxxx> wrote:

Normally, a server with a hardware raidcontroller and hotplug enclosure is
SAF-TE aware, each hdd slot has an activity and a failure led, so the raid
controller that monitors the disks will activate the failure led if the
drive does not work correctly.

Not being a big believer in raid controllers (for smaller sized shops any way),
just having a hot spare in your array will indicate the problem.

Most drives these days do have an onboard led for drive activity.
After a failure
and an automatic rebuild onto the hot spare the one not flickering with
any system activity is the dead one. (and also the cold one if no lights
are present).

Any disk cabinet which would allow a hot drive change will also have repeater
lights where you can see them.

Even small shops with single servers running raid 1 can afford a third disk.

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