Not 1, 3 power supplys. On Tue, 2004-12-14 at 08:11 -0600, Michael Stumpf wrote: > 14 Internal drives on a single power supply plus the mb/cpu/etc? Oy; > I've got 15 + a p2-400 spinning between 2 550w power supplies, and I'm > worried it is getting overloaded. I might be paranoid, but I had some > flakiness that was pretty much impossible to debug, so I took broad > steps and overestimated. Figured that maybe a heavily loaded supply > could hiccup under an unusual condition if too many were attached to > one.. and, while anecdotal, my once-a-month drive hiccup (require > re-add to array, nothing else) problem did go away when I added a power > supply. > > comsatcat wrote: > > >The two disks that were actually dead were both on a different bus. The > >OS disk that died was on scsi0. > > > >Is there a way around this behavior (ie: kernel params that can be > >adjusted such as timeout values and queuing)? It never really recovered > >correctly after the disks died, a manual reboot as required. > >Applications which were using the failed devices would hang forever (I'm > >assuming they were waiting for queued commands to complete). > > > >IDE: not in use > >Power: 14 internal drives, no external > >Temp: fust fine > >Kids: Upstairs taking tech calls. > > > > > >Thanks, > >Ben > > > > > >On Tue, 2004-12-14 at 01:55 -0500, Guy wrote: > > > > > >>Did the disks that failed have anything in common? > >> > >>SCSI: > >>If you have disks on 1 SCSI bus, a single failed disk can affect other > >>disks. By removing the bad disk you correct the problems with the others. > >> > >>IDE: (or what ever they call it today) > >>2 disks on 1 bus, 1 drive failure will cause the other to fail most of the > >>time. > >> > >>Power supply: > >>If you have external disks, they will have another power supply. If you > >>have problems with this power supply, they all could be affected. Even a > >>common power cable can cause multi drive failures. > >> > >>Temperature: > >>Disks getting too hot can cause failures. > >> > >>Kids: > >>Someone turned the disk cabinet off? > >> > >>I am sure this list is not complete. But it may help. > >> > >>Guy > >> > >>-----Original Message----- > >>From: linux-raid-owner@xxxxxxxxxxxxxxx > >>[mailto:linux-raid-owner@xxxxxxxxxxxxxxx] On Behalf Of comsatcat > >>Sent: Tuesday, December 14, 2004 1:42 AM > >>To: linux-raid@xxxxxxxxxxxxxxx > >>Subject: Busted disks caused healthy ones to fail > >> > >>An odd thing happened this weekend. We were doing some heavy I/O when > >>one of our servers had two drives in two seperate raid1 mirrors pop. > >>This was not odd as these drives are old and the batch they are from > >>have been failing on other boxen as well. What is odd is that our brand > >>new disks which the OS resides on (2 drives in raid 1) half busted. > >> > >>There are 4 md devices > >> > >>md/0 > >>md/1 > >>md/2 > >>md/3 > >> > >>md3, md2, and md1 all lost the 2nd drive in the array (sdh3, sdh6, and > >>sdh5). md0 however was fine with sdh1 being fine. Why would losing > >>disks cause a seemingly healthy disk to go astray? > >> > >>P.S. I have pull out tons of syslogs showing the two bad disks failing > >>if that would help. > >> > >> > >>Thanks, > >>Ben > >> > >>- > >>To unsubscribe from this list: send the line "unsubscribe linux-raid" in > >>the body of a message to majordomo@xxxxxxxxxxxxxxx > >>More majordomo info at http://vger.kernel.org/majordomo-info.html > >> > >>- > >>To unsubscribe from this list: send the line "unsubscribe linux-raid" in > >>the body of a message to majordomo@xxxxxxxxxxxxxxx > >>More majordomo info at http://vger.kernel.org/majordomo-info.html > >> > >> > > > >- > >To unsubscribe from this list: send the line "unsubscribe linux-raid" in > >the body of a message to majordomo@xxxxxxxxxxxxxxx > >More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > > > > > > > > -------------------------------------------- > My mailbox is spam-free with ChoiceMail, the leader in personal and corporate anti-spam solutions. Download your free copy of ChoiceMail from www.choicemailfree.com > > - > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
