Yes, particularly if you have older drives with 512 sectors and then buy a newer drive that seems the same, but is not, because it has 4k sectors. Looks like it works, and will work, but performance drops.
On May 28, 2011, at 4:59 PM, Hung-Sheng Tsao (Lao Tsao 老曹) Ph.D. wrote: > yes good idea, another things to keep in mind > technology change so fast, by the time you want a replacement, may be HDD > does exist any more > or the supplier changed, so the drives are not exactly like your original > drive > ???? > > > > On 5/28/2011 6:05 PM, Michael DeMan wrote: >> Always pre-purchase one extra drive to have on hand. When you get it, >> confirm it was not dead-on-arrival by hooking up on an external USB to a >> workstation and running whatever your favorite tools are to validate it is >> okay. Then put it back in its original packaging, and put a label on it >> about what it is, and that it is a spare for box(s) XYZ disk system. >> >> When a drive fails, use that one off the shelf to do your replacement >> immediately then deal with the RMA, paperwork, and snailmail to get the bad >> drive replaced. >> >> Also, depending how many disks you have in your array - keeping multiple >> spares can be a good idea as well to cover another disk dying while waiting >> on that replacement one. >> >> In my opinion, the above goes whether you have your disk system configured >> with hot spare or not. And the technique is applicable to both >> personal/home-use and commercial uses if your data is important. >> >> >> - Mike >> >> On May 28, 2011, at 9:30 AM, Brian wrote: >> >>> I have a raidz2 pool with one disk that seems to be going bad, several >>> errors are noted in iostat. I have an RMA for the drive, however - no I am >>> wondering how I proceed. I need to send the drive in and then they will >>> send me one back. If I had the drive on hand, I could do a zpool replace. >>> >>> Do I do a zpool offline? zpool detach? >>> Once I get the drive back and put it in the same drive bay.. Is it just a >>> zpool replace<device>? >>> -- >>> This message posted from opensolaris.org >>> _______________________________________________ >>> zfs-discuss mailing list >>> zfs-discuss@opensolaris.org >>> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss >> _______________________________________________ >> zfs-discuss mailing list >> zfs-discuss@opensolaris.org >> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss > <laotsao.vcf>_______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
