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Date:      Mon, 13 Jul 2015 11:25:47 +0200
From:      Yamagi Burmeister <lists@yamagi.org>
To:        killing@multiplay.co.uk
Cc:        freebsd-scsi@freebsd.org
Subject:   Re: Device timeouts(?) with LSI SAS3008 on mpr(4)
Message-ID:  <20150713112547.8f044beabe26672fd13fc528@yamagi.org>
In-Reply-To: <55A3813C.7010002@multiplay.co.uk>
References:  <20150707132416.71b44c90f7f4cd6014a304b2@yamagi.org> <20150713110148.1a27b973881b64ce2f9e98e0@yamagi.org> <55A3813C.7010002@multiplay.co.uk>

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On Mon, 13 Jul 2015 10:13:32 +0100
Steven Hartland <killing@multiplay.co.uk> wrote:

> What do you see from:
> sysctl -a | grep -E '(delete|trim)'

% sysctl -a | grep -E '(delete|trim)'
kern.geom.dev.delete_max_sectors: 262144
kern.cam.da.1.delete_max: 8589803520
kern.cam.da.1.delete_method: ATA_TRIM
kern.cam.da.8.delete_max: 12884705280
kern.cam.da.8.delete_method: ATA_TRIM
kern.cam.da.9.delete_max: 12884705280
kern.cam.da.9.delete_method: ATA_TRIM
kern.cam.da.3.delete_max: 12884705280
kern.cam.da.3.delete_method: ATA_TRIM
kern.cam.da.12.delete_max: 12884705280
kern.cam.da.12.delete_method: ATA_TRIM
kern.cam.da.7.delete_max: 12884705280
kern.cam.da.7.delete_method: ATA_TRIM
kern.cam.da.2.delete_max: 12884705280
kern.cam.da.2.delete_method: ATA_TRIM
kern.cam.da.11.delete_max: 12884705280
kern.cam.da.11.delete_method: ATA_TRIM
kern.cam.da.6.delete_max: 12884705280
kern.cam.da.6.delete_method: ATA_TRIM
kern.cam.da.10.delete_max: 12884705280
kern.cam.da.10.delete_method: ATA_TRIM
kern.cam.da.5.delete_max: 12884705280
kern.cam.da.5.delete_method: ATA_TRIM
kern.cam.da.0.delete_max: 8589803520
kern.cam.da.0.delete_method: ATA_TRIM
kern.cam.da.4.delete_max: 12884705280
kern.cam.da.4.delete_method: ATA_TRIM
vfs.zfs.trim.max_interval: 1
vfs.zfs.trim.timeout: 30
vfs.zfs.trim.txg_delay: 32
vfs.zfs.trim.enabled: 1
vfs.zfs.vdev.trim_max_pending: 10000
vfs.zfs.vdev.bio_delete_disable: 0
vfs.zfs.vdev.trim_max_active: 64
vfs.zfs.vdev.trim_min_active: 1
vfs.zfs.vdev.trim_on_init: 1
kstat.zfs.misc.arcstats.deleted: 289783817
kstat.zfs.misc.zio_trim.failed: 431
kstat.zfs.misc.zio_trim.unsupported: 0
kstat.zfs.misc.zio_trim.success: 6457142235
kstat.zfs.misc.zio_trim.bytes: 88207753330688


> Also while your seeing time-outs what does the output from gstat -d -p 
> look like?

I'll try to get that data but it may take a while. 

Thank you,
Yamagi

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