Messages in this thread | | | Date | Wed, 6 Jul 2011 09:11:17 +0200 | From | Lars Täuber <> | Subject | Re: [PROBLEM] reproduceable storage errors on high IO load |
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Hi Valdis,
Am Tue, 05 Jul 2011 18:34:47 -0400 Valdis.Kletnieks@vt.edu schrieb: > On Mon, 04 Jul 2011 15:39:23 +0200, Lars =?UTF-8?B?VMOkdWJlcg==?= said: > > > 1. > > * Ultrastar 7K3000 attached to onboard AMD_AHCI > > * dd if=/dev/zero of=/dev/sde > > * dd told write speed of: 15.7MB/s > > * no error after half an hour > > > > 2. > > * Ultrastar 7K3000 attached to PCIe to sata_mv controller > > * dd if=/dev/zero of=/dev/sda > > * dd told write speed of: 6.5MB/s > > * no error but strange log: dmesg-PCIe-sata_mv.log.gz > > > > 3. > > * Ultrastar 7K3000 attached to PCIe areca SAS HBA (mvsas) > > * dd if=/dev/zero of=/dev/sdg > > * dd told write speed of: 1.3MB/s > > * errors: dmesg-PCIe-mvsas.log.gz > > Umm.. was this the *same* Ulstrastar disk connected 3 different ways? And > how exactly was it connected in each case? (Trying to rule out flaky disks > if it was 3 different disks, or a hardware/cabling issue specific to the > areca controller)
No it wasn't the same disk but drives of identical type and version and with same firmware. All the problems I came across during my odyssey could be different ones. The most recent could be related to the mvsas driver.
See https://bugzilla.kernel.org/show_bug.cgi?id=14534#c11 and following.
Thanks Lars
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