Date: Tue, 01 May 2012 21:31:20 -0400 From: "Simon" <simon@optinet.com> To: "Rich" <rercola@acm.jhu.edu> Cc: "freebsd-fs@freebsd.org" <freebsd-fs@freebsd.org> Subject: Re: Replacing dead drives in ZRAID2 Message-ID: <20120502013129.093C51065670@hub.freebsd.org> In-Reply-To: <CAOeNLur2q_acSf6dXcNX9a0qRgvka8dxmafRYgs1qFF-a1APMQ@mail.gmail.com>
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ahd0: <Adaptec AIC7902 Ultra320 SCSI adapter> on board of Super X5DPR-8G2+ motherboard. Also would like to add that when I plug a drive into this running machine, it prints the following, but does not come up under /dev unless I issue reset using camcontrol. ahd0: Someone reset channel A (da0:ahd0:0:0:0): WRITE(10). CDB: 2a 0 1 10 23 f0 0 0 80 0 (da0:ahd0:0:0:0): CAM status: SCSI Status Error (da0:ahd0:0:0:0): SCSI status: Check Condition (da0:ahd0:0:0:0): SCSI sense: UNIT ATTENTION asc:29,1 (Power on occurred) (da0:ahd0:0:0:0): Field Replaceable Unit: 1 -Simon On Tue, 1 May 2012 20:57:52 -0400, Rich wrote: >What card is this? >- Rich >On Tue, May 1, 2012 at 6:15 PM, Simon <simon@optinet.com> wrote: >> >> Sorry, I meant to say zpool offline. >> >> After I take the drive out marked as offline, and put it back in, the system spits >> the following: >> >> ahd0: someone reset channel A >> ahd0: WARNING no command for scb 242 (cmdcmplt) >> QOUTPOS = 283 >> >>>>>>>>>>>>>>>>>>>>>Dumpt Card State Begins>>>>>>>>>>>> >> ahd0: dumping card state.... followed by a lard amount of data. >> >> It then freezes and won't executed any new commands. >> >> beta_srv# uname -a >> FreeBSD beta_srv 9.0-RELEASE FreeBSD 9.0-RELEASE #0: Tue Jan 3 07:15:25 >> UTC 2012 root@obrian.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386 >> >> beta_srv# dmesg | grep ses >> ses0 at ahd0 bus 0 scbus0 target 6 lun 0 >> ses0: <SUPER GEM318 0> Fixed Processor SCSI-2 device >> ses0: 3.300MB/s transfers >> ses0: SAF-TE Compliant Device >> >> Thanks, >> Simon >> >> On Tue, 1 May 2012 14:26:35 -0700, Freddie Cash wrote: >> >>>On Tue, May 1, 2012 at 1:57 PM, Simon <simon@optinet.com> wrote: >>>> I decided to give ZFS ZRAID2 a shot after getting fed up with some legacy >>>> hardware RAID cards that don't properly perform, or at all, patrol-reads + >>>> consistency checking. So... >>>> >>>> I can't seem to figure out the proper way to replace a dead drive in a running >>>> system with SCSI+SES enclosure. I tried: >>>> >>>> zpool detach zroot baddrive >>>> camcontrol stop baddrive >> >>>You can't detach drives from raidz vdevs. The correct process is: >> >>>zpool offline zroot <baddrive> >>><pull drive from system> >>><insert new drive> >>><do any partitioning, labelling, etc to suit your env> >>>zpool replace zroot <baddrive> <newdrive> >> >>>"zpool detach" is only used for mirror vdevs. >> >>>-- >>>Freddie Cash >>>fjwcash@gmail.com >> >> >> >> _______________________________________________ >> freebsd-fs@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-fs >> To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org"
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