From: Bruce A. <ba...@gr...> - 2004-06-01 15:29:22
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Hi Seth, On Sun, 30 May 2004, Spam Sucks wrote: > Sorry to followup to my own post, but I wanted to provide some add'l > information. No need to apologize -- this is useful, thank you. > I ran the smartmontools that came on the stresslinux ISO and got the > following results: > > 1) The drive was not in the database Hmmm, stresslinux has smartmontools version 5.19. I think it's been added to the database since then. > 2) Attribute 194 was displayed with the same values I found via the > 3ware CLI SMART dump OK, then it's almost certainly temperature. > 3) The raw value appears to be the correct temperature based on > general feel. Then it's temperature. > 4) The first value is 150 - the raw value. This is a common way of converting temperature to a normalized value. What's the (normalized) failure threshold value, and the corresponding failure temperature (in Celsuis)? > Hope this helps. It does, thanks! And thanks for the follow-up. Bruce |
From: Spam S. <spa...@ya...> - 2004-06-01 16:04:51
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--- Bruce Allen <ba...@gr...> wrote: > Hi Seth, Bruce, thanks for the timely response. Comments and more info inline. > > 1) The drive was not in the database > > Hmmm, stresslinux has smartmontools version 5.19. I > think it's been added > to the database since then. OK. Just FYI, I tried the Linux-BBC bootable CD and it didn't appear to have smartmontools available. > > > 2) Attribute 194 was displayed with the same > values I found via the > > 3ware CLI SMART dump > > OK, then it's almost certainly temperature. Great news. > > 4) The first value is 150 - the raw value. > > This is a common way of converting temperature to a > normalized value. > What's the (normalized) failure threshold value, and > the corresponding > failure temperature (in Celsuis)? I can't really boot back into the livecd, so here's what the 3ware dump shows for attribute 0xC2: 6F FD 27 This means (according to my docs) that the normalized temperature is 0x6F, the threshold is 0xFD, and the raw data (real temp) is 0x27 (which, incidentally, is 0x96 - 0x6F). Now, the threshold value confuses me. It doesn't make sense as a failure point for the raw data, since 0xFD is 253C, which probably means the case is on fire, but since the normalized value decreases as the temperature increases, I don't know whether it makes sense for that either. (Even if you treat it as a -2, in which case the temperature would be 0x98C, which is 152C, which is still too hot.) The operating range for this drive is 5C to 55C. Thanks, Seth. __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com |
From: Bruce A. <ba...@gr...> - 2004-06-01 16:42:54
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> OK. Just FYI, I tried the Linux-BBC bootable CD and it didn't appear > to have smartmontools available. Interesting. I've seen an obscure comment on the web suggesting it was in the 'arch' package (whatever that it). > > > 2) Attribute 194 was displayed with the same > > values I found via the > > > 3ware CLI SMART dump > > > > OK, then it's almost certainly temperature. > > Great news. > > > > 4) The first value is 150 - the raw value. > > > > This is a common way of converting temperature to a > > normalized value. > > What's the (normalized) failure threshold value, and > > the corresponding > > failure temperature (in Celsuis)? > > I can't really boot back into the livecd, so here's > what the 3ware dump shows for attribute 0xC2: 6F FD 27 The threshold's not in this data structure. You probably can't see it with 3ware CLI. So you'll need to try the CD again. But its probably irrelevant if you just want to monitor the temperature. > > This means (according to my docs) that the normalized > temperature is 0x6F, the threshold is 0xFD, and the > raw data (real temp) is 0x27 (which, incidentally, is > 0x96 - 0x6F). > > Now, the threshold value confuses me. It doesn't make > sense as a failure point for the raw data, since 0xFD > is 253C, which probably means the case is on fire, but > since the normalized value decreases as the > temperature increases, I don't know whether it makes > sense for that either. (Even if you treat it as a > -2, in which case the temperature would be 0x98C, > which is 152C, which is still too hot.) The operating > range for this drive is 5C to 55C. If the operating range is 5 to 55, and normalized = 150 - raw, then I expect that the normalized failure threshold is 95 = 150 - 55. Cheers, Bruce |
From: Spam S. <spa...@ya...> - 2004-06-01 23:16:58
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All: I just got confirmation from WD that this revision of the 1200JB supports temperature monitoring: Response (Craig C.) - 06/01/2004 04:08 PM This hard drive does support Temperature data through S.M.A.R.T. monitoring. This data is accessible through attribute # 194. Mystery solved. (If you need information for the DB, please let me know what to get and how to get it, and I'll pass it along.) Next question: is there any chance that smartmontools will be functional with 3Ware (twe) controllers on FreeBSD 5.x in the near future? Thanks, Seth. __________________________________ Do you Yahoo!? Friends. Fun. Try the all-new Yahoo! Messenger. http://messenger.yahoo.com/ |