"O. Hartmann" <ohart...@zedat.fu-berlin.de> writes: > I'm running a newly setup FreeBSD 9.0-CURRENT/amd64 SMP box. The former > OS was FreeBSD 8.1-PRE/amd64. Attached to the system are three WD > harddrives with ZFS as filesystem on GPT partitioning scheme. Two 1TB > HDD are spanning a volume with 2 TB capacity which is quite fast due to > parallel access through ZFS. The underlying layout is, as mentioned, > GPT, bot devices are named /dev/ada1p1 and /dev/ada2p1. The thir drive > is a WD Caviar Green 2TB HDD acting as a compressed ZFS backup media, > also based on a GPT partitioning scheme and known as device /dev/ada3p1. > In FreeBSD 8.2-PRE/amd64 I can use the JBOD volume resembled from two > 1TB HDD without problems, mounting is all right, dismounting, also with > the 2TB HDD, labeld as BACKUP00 volume in ZFS. Doing a "zpool export" on > both ZFS volumes works fine in FBSD 8, importing is also no problem. The > system's log does not show any kind of irregularities, errors or > something else indicating soemthing weird with one of the three devices. > > Exporting both volumes in FreeBSD 8 works. But importing them in FreeBSD > 9.0-CURRENT/amd64 as with the most recent make world of today fails on > the 2TB HDD (ZFS pool/volume BACKUP00). Issuing "zpool import BACKUP00" > results in > > cannot import 'BACKUP': no such pool available > > and on console I receive message > > ZFS WARNING: Unable to attach to ada1 > > But the drive is and was ada3! > > Looking with zpool status, I get the follwoing picture: > > pool: BACKUP00 > state: FAULTED > status: One or more devices could not be used because the label is missing > or invalid. There are insufficient replicas for the pool to > continue > functioning. > action: Destroy and re-create the pool from a backup source. > see: http://www.sun.com/msg/ZFS-8000-5E > scrub: none requested > config: > > NAME STATE READ WRITE CKSUM > BACKUP00 FAULTED 0 0 0 corrupted data > ada3 UNAVAIL 0 0 0 corrupted data > > pool: THOR00 > state: ONLINE > scrub: none requested > config: > > NAME STATE READ WRITE CKSUM > THOR00 ONLINE 0 0 0 > ada1p1 ONLINE 0 0 0 > ada2p1 ONLINE 0 0 0 > > errors: No known data errors > > > This picture differs from what I see i FreeBSD 8.2-PRE/amd issuing the > same command! > > I did a full "zpool scrub" on both pools - no effect. > > Surprisingly, the GPT partition of the pool BACKUP00 isn't shown in > FreeBSD 9, while I see ada3p1 in FreeBSD 8.2. > gpart show ada3 lists this: > > => 34 3907029101 ada3 GPT (1.8T) > 34 4062 - free - (2.0M) > 4096 3907025039 1 freebsd-zfs (1.8T) > > The drive in question is a WesternDigital Caviar Green WD (<WDC > WD20EURS-63Z9B1 80.00A80> at scbus7 target 0 lun 0 (pass3,ada3)). > > Can someone explain what#s going on? The drive in question is one of the > new 4k sized physical block devices. Why is FreeBSD 8 dealing with the > HDD, FreeBSD 9 not? Any help at this point? Hope the volume is not lost. > > Thanks in advance, > > Oliver >
Hi Oliver, just a wild guess and maybe completely wrong: are the ZFS version numbers and zpool version numbers the same across 8.1 and 9-CURRENT ? Best Regards, Leonidas _______________________________________________ firstname.lastname@example.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"