At 07:48 PM 10/28/2005 +1000, Peter Jeremy wrote: | On Fri, 2005-Oct-28 01:18:03 -0400, Mikhail T. wrote: | >I've got a new Hitachi drive with 16Mb of cache: | > | > ad8: 476940MB <HDS725050KLA360 K2AOA11A> at ata4-master SATA150 | > | >and am trying to use it to store backups online. Unfortunately, writing | >to the disk is painfully slow (by today's standards) -- it can barely | >keep 7Mb/second and my other (SCSI) disks run circles around it. | | If this drive doesn't support tagged-queueing, is the write cache | disabled? I get that sort of performance from a (PATA) disk with | the cache disabled (hw.ata.wc="0" in loader.conf) | | >According to smartctl, the drive runs at 56C during the copying. Its | >idle temperature seems to be 54C. | | I'd double-check that (eg with a finger). If the drive really is | running at 56°C, it won't last very long. | | -- | Peter Jeremy
I just checked the temp on my workstation for comparison. It's running two SATA drives (74GB Raptors) and the temp on those drives is 30C/86F. Like Peter says, at 133F, I don't think they would last very long, not to mention you'd probably smell something hot/burning. Ray _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"
