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3TB ZFS drive won't remount
I've been using a WD 3TB USB drive for backing up data on my FreeBSD (8.1-release) web server at home. Drive is a single partition in ZFS, the only drive in the pool.
It was working fine this morning, I was copying data to it with no problem. I had a moment to think about it and remembered that while the server itself is on UPS power, the drive is not. So I used umount (should I have used zfs instead?) to unmount the drive, and then attempted to remount it using the zfs command after I reconnected everything. Code:
web# zfs mount net-backup If I do Ctrl-T I see something like: Code:
load: 0.00 cmd: zfs 14117 [zio->io_cv)] 1492.71r 0.00u 0.00s 0% 1344k System is a 2ghz P4 with 1gb ram. It's purpose in life is to serve pages for my home website (which has very little traffic) and to act as a gateway for me to access resources at work and other places (ssh traffic in that case). I know this is a very meager setup for zfs, and I just added the lines to /boot/loader.conf that were suggested in http://wiki.freebsd.org/ZFSTuningGuide thank you |
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Update
I just noticed something that I should have included in the original message, part of the "zpool status -v" return:
Code:
errors: Permanent errors have been detected in the following files: <metadata>:<0x0> <metadata>:<0x14> I then went ahead and rebooted since nothing else seemed to be leading anywhere; any kind of zfs process just hung the way I indicated before. After rebooting I was able to mount the zfs volume without any difficulty; I could read the directories without incident though didn't try many files. I then started a scrub, which initially stated it would take ~6hrs - now its looking like closer to 3. |
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