This test was done without the hub: On Tue, Jun 3, 2008 at 11:33 PM, Paulo Soeiro <[EMAIL PROTECTED]> wrote:
> 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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