On Tue, Feb 1, 2011 at 4:02 PM, William L. Thomson Jr. <[email protected]> wrote: > On Tue, 2011-02-01 at 15:50 -0500, robert mckennon wrote: >> believe it or not, I have never actually swapped out a hard-drive in a >> raided system. > > We all have our first time with something at some point. No one was born > knowing or having done it all before ;) > >> I have a HP Proliant ML350 G4p running RHEL 5.3 with a bad drive in a >> raid-5. > > Assuming you have a HP Smart Array controller or some RAID controller. > >> It says it's hot-swappable.... but is that the best practice, or >> should I shut down and then replace the drive? > > If the machine is still running, usually the drive will already be taken > out of use by the raid controller. Which if thats the case, red light > vs green, or could be another color on the drive in question. Then you > can safely remove the drive and add back a new one. If using HP Smart > Arrays can use the hpacucli to check status, make changes, etc to the > array while the machine is up and running. > > If you want you can take it down. Though you might find yourself with > more than one bad drive going that route. I would just swap out the > drive now with a known good one. Let it do its thing, once its back in > use and you have a spare again. If you want to be really cautious and > can take down the server. Then a reboot can't hurt. It will > re-initialize controller and do a test on most all drives. > > Last time I lost a drive for some reason it cause the server to lock up. > Though that was before any attempt to replace the drive. A reboot > brought the machine back up, but drive was still dead, and luckily just > that one. After that replaced the drive, and all has been well ever > since. So at times freakish things can happen, even though they > technically should not. I am running RAID 5 with 2 spares, so should not > have effected the server running, but did. > > -- > William L. Thomson Jr. > Obsidian-Studios, Inc. > http://www.obsidian-studios.com > > > --------------------------------------------------------------------- > Archive http://marc.info/?l=jaxlug-list&r=1&w=2 > RSS Feed http://www.mail-archive.com/[email protected]/maillist.xml > Unsubscribe [email protected] > > so far so good... it appears to be rebuilding itself. Technology is pretty cool when it work correctly!
Rob. --------------------------------------------------------------------- Archive http://marc.info/?l=jaxlug-list&r=1&w=2 RSS Feed http://www.mail-archive.com/[email protected]/maillist.xml Unsubscribe [email protected]
