Hello!
> This could be a broken disk, or it could be some other
> hardware/software/firmware issue. Check the errors on the
> device with
> iostat -En
Heres the output:
c7t1d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: ATA Product: WDC WD10EADS-00L Revision: 1A01 Serial No:
Size: 1000.20GB <1000204886016 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 4 Predictive Failure Analysis: 0
c7t2d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: ATA Product: WDC WD10EADS-00P Revision: 0A01 Serial No:
Size: 1000.20GB <1000204886016 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 4 Predictive Failure Analysis: 0
c7t3d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: ATA Product: WDC WD10EADS-00P Revision: 0A01 Serial No:
Size: 1000.20GB <1000204886016 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 4 Predictive Failure Analysis: 0
c7t4d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: ATA Product: WDC WD10EADS-00P Revision: 0A01 Serial No:
Size: 1000.20GB <1000204886016 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 4 Predictive Failure Analysis: 0
c7t5d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: ATA Product: WDC WD10EADS-00P Revision: 0A01 Serial No:
Size: 1000.20GB <1000204886016 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 4 Predictive Failure Analysis: 0
c7t0d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: ATA Product: WDC WD740GD-00FL Revision: 8F33 Serial No:
Size: 74.36GB <74355769344 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 6 Predictive Failure Analysis: 0
c0t1d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: ATA Product: WDC WD10EADS-00P Revision: 0A01 Serial No:
Size: 1000.20GB <1000204886016 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 5 Predictive Failure Analysis: 0
c3t0d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: ATA Product: WDC WD7500AAKS-0 Revision: 4G30 Serial No:
Size: 750.16GB <750156374016 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 5 Predictive Failure Analysis: 0
c3t1d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: ATA Product: WDC WD7500AAKS-0 Revision: 4G30 Serial No:
Size: 750.16GB <750156374016 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 5 Predictive Failure Analysis: 0
> You should also check the fma logs:
> fmadm faulty
Empty
> fmdump -eV
>
This turned out to be huge. But they're mostly something like this:
Nov 13 2009 10:15:41.883716494 ereport.fs.zfs.checksum
nvlist version: 0
class = ereport.fs.zfs.checksum
ena = 0x7cfde552fd100401
detector = (embedded nvlist)
nvlist version: 0
version = 0x0
scheme = zfs
pool = 0xda1d003c03abad23
vdev = 0x4389ee65271b9187
(end detector)
pool = tank
pool_guid = 0xda1d003c03abad23
pool_context = 0
pool_failmode = wait
vdev_guid = 0x4389ee65271b9187
vdev_type = replacing
parent_guid = 0x79c2f2cf0b81ae5a
parent_type = raidz
zio_err = 0
zio_offset = 0xae9b3fa00
zio_size = 0x6600
zio_objset = 0x24
zio_object = 0x1b2
zio_level = 0
zio_blkid = 0x635
__ttl = 0x1
__tod = 0x4afc971d 0x34ac718e
Thanks for helping and telling me about those commands :-)
The scrub I started last night is still running, it usually takes about 8
hours. Will post the results.
- Em
> From: richard.ell...@gmail.com
> To: mi...@task.gda.pl
> Date: Thu, 31 Dec 2009 08:37:03 -0800
> CC: zfs-discuss@opensolaris.org
> Subject: Re: [zfs-discuss] ZFS extremely slow performance
>
> On Dec 31, 2009, at 2:49 AM, Robert Milkowski wrote:
>
> >
> > judging by a *very* quick glance it looks like you have an issue
> > with c3t0d0 device which is responding very slowly.
>
> Yes, there is an I/O stuck on the device which is not getting serviced.
> See below...
>
> >
> > --
> > Robert Milkowski
> > http://milek.blogspot.com
> >
> >
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