From mboxrd@z Thu Jan 1 00:00:00 1970 From: greg@storageio.com (Greg Schulz) Date: Wed, 27 May 2015 18:05:07 -0500 Subject: Problems writing to intel P3700 NVMe drive In-Reply-To: References: <00c601d098cd$41255e30$c3701a90$@storageio.com> Message-ID: <00cd01d098d1$94047010$bc0d5030$@storageio.com> Thanks for the follow-up and extra info, I have 3700s running on x86/64 Ubuntu 14.04 and working fine. I did update the drivers from the Intel site even though they were already in the 14.04 kernel when I was troubel shooting something else. What happens if you do a dd if=/dev/null of=/dev/nvme0n1 bs=512 count=1000000 conv=notrunc Cheers gs -----Original Message----- From: Linux-nvme [mailto:linux-nvme-bounces@lists.infradead.org] On Behalf Of Pavilion Storage Sent: Wednesday, May 27, 2015 5:41 PM To: greg at storageio.com Cc: linux-nvme at lists.infradead.org Subject: Re: Problems writing to intel P3700 NVMe drive Greg, I am running this on Linux (Ubuntu/3.12) and I am accessing the raw device (/dev/nvme1). I have tried accessing with dd, nvme-cli and fio Thx Kishore On Wed, May 27, 2015@3:34 PM, Greg Schulz wrote: > I may have missed it somewhere, what OS (and version) are you using? > Also are you accessing the nvme device e.g. /dev/nvme0n1 raw or via > partition or filesystem? > Gs > > > Greg Schulz | Sr. Advisory Analyst | greg at storageio.com Phone > 651-275-1563 | twitter @storageio | blog www.storageioblog.com > Server StorageIO and UnlimitedIO LLC aka StorageIO | > www.storageio.com > > Author of the books: > Cloud and Virtual Data Storage Network (CRC Press & Intel Recommended > Reading List) The Green and Virtual Data Center (CRC Press & Intel > Recommended Reading List) Resilient Storage Networks ? Designing > Flexible Scalable Data Infrastructures (Elsevier) > > The information contained in this email and any attachments is > confidential and may be legally privileged and or confidential. If you > are not the intended recipient then you must not use, disseminate, > distribute copy or in any other way use, the information contained in this email or attachments. > If you receive this email in error, destroy it immediately and contact > us. Thank you. > > -----Original Message----- > From: Linux-nvme [mailto:linux-nvme-bounces at lists.infradead.org] On > Behalf Of Pavilion Storage > Sent: Wednesday, May 27, 2015 4:30 PM > To: linux-nvme at lists.infradead.org > Subject: Problems writing to intel P3700 NVMe drive > > I am having problems with writing to an intel P3700 NVMe drive on a > ARM based platform and I would appreciate any help in debugging this problem. > Here are my experiments and observations so far: > > - The drive is usable for read operations and I can run fio > (randread, > etc) but I cannot write to it. > - Other manufacturer's NVMe drive can be inserted into this > platform and I can write to it > - I can insert the intel P3700 into an x86 host and I can perform > write operations > - I have tried using the nvme-cli > (https://github.com/linux-nvme/nvme-cli) tool and have read the error > codes from read. It just shows 'WRITE_FAULT' which is not very helpful. > - I have looked at the SmartLog reports and the 'Critical Warning' > is 0, i.e. the device is not in Read-Only mode > - I have updated the firmware using the intel SSD-DataCenterTool > and updated the firmware on the drive the latest available version. > The updated drive works fine on x86 platform. > > I think there is some combination of the platform and drive that is > causing the problem. Can anyone offer pointers on how to debug this? > > Thx > Kishore > > _______________________________________________ > Linux-nvme mailing list > Linux-nvme at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-nvme > _______________________________________________ Linux-nvme mailing list Linux-nvme at lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme