Did the same test again and here is the result: 1)
zpool create myPool mirror c6t0d0p0 c7t0d0p0 2) -bash-3.2# zfs create myPool/myfs -bash-3.2# zpool status pool: myPool state: ONLINE scrub: none requested config: NAME STATE READ WRITE CKSUM myPool ONLINE 0 0 0 mirror ONLINE 0 0 0 c6t0d0p0 ONLINE 0 0 0 c7t0d0p0 ONLINE 0 0 0 errors: No known data errors pool: rpool state: ONLINE scrub: none requested config: NAME STATE READ WRITE CKSUM rpool ONLINE 0 0 0 c5t0d0s0 ONLINE 0 0 0 errors: No known data errors 3)Copy a file to /myPool/myfs ls -ltrh total 369687 -rwxr-xr-x 1 root root 184M Jun 3 22:38 test.bin 4)Copy a second file cp test.bin test2.bin & And shutdown Startup 5) -bash-3.2# zpool status pool: myPool state: UNAVAIL status: One or more devices could not be opened. There are insufficient replicas for the pool to continue functioning. action: Attach the missing device and online it using 'zpool online'. see: http://www.sun.com/msg/ZFS-8000-3C scrub: none requested config: NAME STATE READ WRITE CKSUM myPool UNAVAIL 0 0 0 insufficient replicas mirror UNAVAIL 0 0 0 insufficient replicas c6t0d0p0 UNAVAIL 0 0 0 cannot open c7t0d0p0 UNAVAIL 0 0 0 cannot open pool: rpool state: ONLINE scrub: none requested config: NAME STATE READ WRITE CKSUM rpool ONLINE 0 0 0 c5t0d0s0 ONLINE 0 0 0 errors: No known data errors 6)Remove and attached the usb sticks: zpool status pool: myPool state: UNAVAIL 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 myPool UNAVAIL 0 0 0 insufficient replicas mirror UNAVAIL 0 0 0 insufficient replicas c6t0d0p0 FAULTED 0 0 0 corrupted data c7t0d0p0 FAULTED 0 0 0 corrupted data pool: rpool state: ONLINE scrub: none requested config: NAME STATE READ WRITE CKSUM rpool ONLINE 0 0 0 c5t0d0s0 ONLINE 0 0 0 errors: No known data errors ----------- So it's not a hub problem, but it seems to be a zfs & usb storage problem. I just hope zfs works fine on hardisks. Because it's not working on usb sticks. It would be nice somebody from SUN could fix this problem... Thanks & Regards Paulo On Tue, Jun 3, 2008 at 8:19 PM, Paulo Soeiro <[EMAIL PROTECTED]> wrote: > I'll try the same without the hub. > > Thanks & Regards > Paulo > > > > > On 6/2/08, Thommy M. <[EMAIL PROTECTED]> wrote: >> >> Paulo Soeiro wrote: >> > Greetings, >> > >> > I was experimenting with zfs, and i made the following test, i shutdown >> > the computer during a write operation >> > in a mirrored usb storage filesystem. >> > >> > Here is my configuration >> > >> > NGS USB 2.0 Minihub 4 >> > 3 USB Silicom Power Storage Pens 1 GB each >> > >> > These are the ports: >> > >> > hub devices >> > /-------------------------------------------\ >> > | port 2 | port 1 | >> > | c10t0d0p0 | c9t0d0p0 | >> > --------------------------------------------- >> > | port 4 | port 4 | >> > | c12t0d0p0 | c11t0d0p0 | >> > \________________________/ >> > >> > Here is the problem: >> > >> > 1)First i create a mirror with port2 and port1 devices >> > >> > zpool create myPool mirror c10t0d0p0 c9t0d0p0 >> > -bash-3.2# zpool status >> > pool: myPool >> > state: ONLINE >> > scrub: none requested >> > config: >> > >> > NAME STATE READ WRITE CKSUM >> > myPool ONLINE 0 0 0 >> > mirror ONLINE 0 0 0 >> > c10t0d0p0 ONLINE 0 0 0 >> > c9t0d0p0 ONLINE 0 0 0 >> > >> > errors: No known data errors >> > >> > pool: rpool >> > state: ONLINE >> > scrub: none requested >> > config: >> > >> > NAME STATE READ WRITE CKSUM >> > rpool ONLINE 0 0 0 >> > c5t0d0s0 ONLINE 0 0 0 >> > >> > errors: No known data errors >> > >> > 2)zfs create myPool/myfs >> > >> > 3)created a random file (file.txt - more or less 100MB size) >> > >> > digest -a md5 file.txt >> > 3f9d17531d6103ec75ba9762cb250b4c >> > >> > 4)While making a second copy of the file: >> > >> > cp file.txt test & >> > >> > I've shutdown the computer while the file was being copied. And >> > restarted the computer again. And here is the result: >> > >> > >> > -bash-3.2# zpool status >> > pool: myPool >> > state: UNAVAIL >> > 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 >> > myPool UNAVAIL 0 0 0 insufficient replicas >> > mirror UNAVAIL 0 0 0 insufficient replicas >> > c12t0d0p0 OFFLINE 0 0 0 >> > c9t0d0p0 FAULTED 0 0 0 corrupted data >> > >> > pool: rpool >> > state: ONLINE >> > scrub: none requested >> > config: >> > >> > NAME STATE READ WRITE CKSUM >> > rpool ONLINE 0 0 0 >> > c5t0d0s0 ONLINE 0 0 0 >> > >> > errors: No known data errors >> > >> > ------------------------------------------------------------------- >> > >> > I was expecting that only one of the files was corrupted, not the all >> > the filesystem. >> >> This looks exactly like the problem I had (thread "USB stick unavailable >> after restart") and the answer I got was that you can't relay on the HUB >> ... >> >> I haven't tried another HUB yet but will eventually test the Adaptec >> XHub 4 (AUH-4000) which is on the HCL list... >> >> >> >> >> _______________________________________________ >> zfs-discuss mailing list >> zfs-discuss@opensolaris.org >> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss >> > >
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