> Date: Wed, 10 Feb 2010 00:39:35 -0600 > From: stan@hardwarefreak.com > To: debian-user@lists.debian.org > Subject: Re: how to find bad blocks > > Vadkan Jozsef put forth on 2/9/2010 11:44 AM: > > Besides the badblocks app? > > > > We have a samsung hdd, that keeps falling out of raid, but there are no > > bad blocks on it, according to "badblocks" prog. > > This is probably because there are no bad blocks on it. > > > we would like to return it [warranty], but it would be better to find > > e.g. bad blocks on it..:\ :D > > If "falling out of raid" means your hardware PCI/X/e/mobo mounted "real" RAID > card is taking this drive "off line", usually this is because of a firmware > issue. The firmware on the RAID card doesn't want to play with the firmware on > the drive. This most often happens when a drive of dissimilar > brand/make /model/size/fw_rev is added into an existing array of identical > drives, or a group of identical drives is used but the controller doesn't like > the drive firmware rev, period. In either case, "good" drives will be kicked > off line by the controller. I went through a wacky case of this back in the > late 1990s with Mylex DAC960 cards kicking Seagate ST118202LC drives off-line > once a week (or more). Five DAC960s and 40 identical drives. Those DAC960s > just didn't like that ST118202 firmware. These were U2W 80MB/s drives and the > DAC960s were limited to UW or 40MB/s. Both Mylex and Seagate tech support said > this was not the problem, that is was a firmware bug in the drives unrelated to > bus speed. Took a while but we eventually got all the drives replaced. That is > the most array rebuilding I've ever done, or probably ever will. > > To get RMA authorization in this situation usually only requir es telling the > vendor what RAID controller you're using and what drive configuration. It > always helps if you bought all components from the same vendor, and helps even > more if you got a verbal or written commitment that the card and drives would > work together in the configuration you had planned. If it's a low ball no name > vendor that doesn't sell both RAID cards and drives, they may tell you to ____ > yourself, that the drive is fine. This is one huge disadvantage of using low > end vendors and why corporations usually buy the bulk of their hardware from a > single vendor. > > -- > Stan > > > -- > To UNSUBSCRIBE, email to debian-user-REQUEST@lists.debian.org > with a subject of "unsubscribe". Trouble? Contact listmaster@lists.debian.org > Use 'fsck.ext3' Your E-mail and More On-the-Go. Get Windows Live Hotmail Free. Sign up now. |