On Dec 21, 2010, at 4:41 PM, Robin Axelsson wrote: > There's nothing odd about the physical mounting of the hard drives. All > drives are firmly attached and secured in their casings, no loose connections > etc. There is some dust but not more than the hardware should be able to > handle. > > I replaced the hard drive with another one of the same size, I find it a > little disturbing that the new drive doesn't have the same denomination as > the old one (i.e. c9t8d0 instead of c9t3d0). If the denominations get changed > it will get much more difficult to locate the physical location of the > drives. Maybe there is a way to change the denomination so that the logical > associations are maintained.
There are some option settings for HBAs that can do this. From your case, I think we can presume that Dell's HBA ships this way. NB. SAS and FC disks are recognized by their wwn, not slot. > At the end of the resilvering process I noticed that the c9d0t0 started to > get resilvered too. I found that quite disturbing. After running "iostat -En" > I saw that it now has errors. I no longer have freezes when accessing the > pool (I have yet to try this more thoroughly though) and it isn't as slow as > it used to be, but it seems that I need to replace yet another drive. Freezes are caused by the disk not responding. When the disk doesn't respond for a long time (60 seconds) sd will, by default for many systems, issue a bus reset. > I really hope Samsung will accept the RMA. zpool doesn't report any errors > when requesting status whereas iostat does and this is quite disturbing why > it doesn't. If the errors are so concealed then a regular diagnostic may not > detect them and Samsung may decline the RMA as these errors are not shown in > their diagnostic procedures which I believe they run on any RMA before > acceptance is considered. Good luck. -- richard _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
